IDTSTAC9752AXNAED1X IDT, Integrated Device Technology Inc, IDTSTAC9752AXNAED1X Datasheet
IDTSTAC9752AXNAED1X
Specifications of IDTSTAC9752AXNAED1X
Related parts for IDTSTAC9752AXNAED1X
IDTSTAC9752AXNAED1X Summary of contents
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AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK FEATURES • High Performance Technology • AC’97 Rev 2.3 Complaint • 20-bit Full Duplex Stereo ADC & DACs • Independent Sample Rates for ADC & DACs • 5-Wire AC-Link Protocol Compliance ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK TABLE OF CONTENTS 1. PRODUCT BRIEF ...................................................................................................................... 6 1.1. Features ............................................................................................................................................ 6 1.2. Description ........................................................................................................................................ 6 1.3. STAC9752A/9753A Block Diagram ................................................................................................... 8 1.4. Key Specifications ............................................................................................................................. 9 1.5. Related Materials ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11.7. STAC9752A/9753A Filter/References ........................................................................................... 95 11.8. STAC9752A/9753A Power and Ground Signals ........................................................................... 96 11.9. STAC9752A/9753A No Connects ................................................................................................. 96 12. ORDERING INFORMATION ..................................................................................................97 13. PACKAGE DRAWINGS AND PC BOARD LAYOUT ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK LIST OF FIGURES Figure 1. STAC9752A/9753A Block Diagram ................................................................................................. 8 Figure 2. Cold Reset Timing .......................................................................................................................... 16 Figure 3. Warm Reset Timing ........................................................................................................................16 Figure 4. Clocks Timing ................................................................................................................................. 17 Figure ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK LIST OF TABLES Table 1. Clock mode configuration ................................................................................................................ 17 Table 2. Common Clocks and Sources ......................................................................................................... 18 Table 3. Recommended CODEC ID strapping .............................................................................................. 27 Table 4. AC-Link Output ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 1. PRODUCT BRIEF 1.1. Features • High performance • AC’97 Rev 2.3 Complaint, 20-bit, full duplex stereo ADCs & DACs • Independent sample rates for ADCs & DACs • 5-Wire ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK The STAC9752A/9753A are standard 2-channel stereo CODEC. With IDT’s headphone drive capa- bility, headphones can be driven without an external amplifier. The STAC9700/21/44/56/08/84/50/66 may be used as a secondary or ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK ume sliders that are implemented in the system, thus improving the end-user's experience with the PC. The information in the Extended Paging Registers will also allow for automatic configuration of ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 1.4. Key Specifications • Analog LINE_OUT SNR • Digital DAC SNR • Digital ADC SNR • Full-scale Total Harmonic Distortion: 0.002% • Crosstalk between ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2. CHARACTERISTICS AND SPECIFICATIONS 2.1. Electrical Specifications 2.1.1. Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the STAC9752A/9753A. These ratings, which are standard values ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.1.3. Power Consumption Digital Supply Current + 3.3 V Digital Analog Supply Current + 5 V Analog + 3.3 V Analog Power Down Status PR0 Supply Current PR1 Supply Current ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.1.5. STAC9752A Analog Performance Characteristics (T = 25ºC, AVdd = 5.0V±5%, DVdd = 3.3V±5%, AVss = DVss = 0V; 1KHzinputsinewave; SampleFrequency = ambient 48KHz; 0dB = 1Vrms, 10K Full Scale ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7. The integrated Out-of-Band noise generated by the DAC process, during normal PCM audio playback, over a bandwidth 28.8 to 100 KHz, with respect Vrms DAC output. ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.1.6. STAC9753A Analog Performance Characteristics (T = 25ºC, AVdd = 5.0V±5%, DVdd = 3.3V±5%, AVss = DVss = 0V; 1KHzinputsinewave; SampleFrequency = ambient 48KHz; 0dB = 1Vrms, 10K Full Scale ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 4. Ratio of Full Scale signal to THD+N output with -3dB signal, measured “A weighted” over a,20 KHz BW, 48 KHz Sample Frequency 5. ± 0.25dB limits 6. Stop Band ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.2. AC Timing Characteristics ( °C, AVdd = 3. ± 5%, DVdd = 3.3V ± 5%, AVss = DVss = 0V; 75pF external ambient load for ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.2.3. Clocks BIT_CLK BIT_CLK frequency BIT_CLK period BIT_CLK output jitter BLT_CLK high pulse width (Note 1) BIT_CLK low pulse width (Note 1) SYNC frequency SYNC period ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK XTL_OUT Pin Config short to ground short to ground 2.2.5. Data Setup and Hold (50pF external load) BIT_CLK ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK BIT_CLK SDATA_IN BIT_CLK rise time BIT_CLK fall time SDATA_IN rise time SDATA_IN fall time 2.2.7. AC-Link Low Power Mode Timing SDATA_OUT SDATA_IN End of Slot 2 to BIT_CLK, SDATA_IN low ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.2.8. ATE Test Mode SDATA_IN, BIT_CLK Setup to trailing edge of RESET# (also applies to SYNC) Rising edge of RESET# to Hi-Z delay Note: 1. All AC-Link signals are normally ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 3. TYPICAL CONNECTION AND POWER DIAGRAMS 3.1. STAC9752A/9753A Typical Connection Diagram for 48-pin LQFP Figure 9. STAC9752A/9753A Typical Connection Diagram 48-pin LQFP 0.1 µF 0.1 µF 1 µ ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 3.2. STAC9752A/9753A Typical Connection Diagram for 32-pad QFN Figure 10. STAC9752A/9753A Typical Connection Diagram 32-pad QFN EMI 22 Filter 27 pF TUNE TO LAYOUT LINK PINS 1 µF* *OPTIONAL 820 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 3.3. Split Independent Power Supply Operation In PC applications, one power supply input to the STAC9752A/9753A may be derived from a supply regulator and the other directly from the PCI ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 3.4. Split Independent Power Supply Operation for the 32-pad QFP Package EMI 22 Filter 27 pF TUNE TO LAYOUT LINK PINS 1 µF* *OPTIONAL 820 pF 820 pF FILTER PINS ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK CONTROLLER, CODEC, AND AC-LINK 4. This section describes the physical and high-level functional aspects of the AC‘97 Controller to CODEC interface, referred to as the AC-Link. 4.1. AC-Link Physical interface ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK If, when the RESET# signal has been de-asserted, the CODEC has not detected a signal on BIT_CLK as defined in the previous paragraph then the AC‘97 CODEC derives its clock ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 4.3.1. Primary CODEC Addressing Primary AC‘97 CODECs respond to register read and write commands directed to CODEC ID 00 (see Section 4 for details of the Primary and Secondary CODEC ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK The following are potential 24.576MHz clock options available to a Secondary CODEC: • Using an external 24.576 MHz signal source (external oscillator or AC‘97 Digital Controller) • Using the Primary’s ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK AC-Link. This functionality is typically implemented in modem CODECs that detect ring, Caller ID, etc. Note that when the AC-Link is either programmed to the low power mode or shut ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 5. AC-LINK DIGITAL INTERFACE 5.1. Overview AC-Link is the 5-pin digital serial interface that links AC‘97 CODEC to the Controller. The AC-Link protocol is a bi-directional, fixed clock rate, serial ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Slot 12 12 10-11 10-12 Slot 0 1 STATUS ADDR read port 2 STATUS DATA read port 3, 4 PCM L&R ADC record 5 6-11 12 5.2. AC-Link Serial Interface ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 5.2.1. AC-Link Variable Sample Rate Operation The AC-Link serial interconnect defines a digital data and control pipe between the Controller and the CODEC. The AC-Link supports twelve 20-bit slots at ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK AC-Link input frame signal which active output slots require data from the AC‘97 Digital Controller in the next audio output frame. An active output slot is defined as any slot ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2. Places a non-zero value (01, 10, or 11) into the CODEC ID field (Slot 0, bits 1 and 0). 3. Transmits the desired Secondary CODEC Command Address and Command ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Within slot 0 the first bit is a global bit (SDATA_OUT slot 0, bit 15) which flags the validity for the entire audio frame. If the “Valid Frame” bit is ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 5.3.4. Slot 3: PCM Playback Left Channel AC-Link output frame slot 3 is the composite digital audio left playback stream typical “Games Compatible” PC this slot is composed ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK SYNC BIT_CLK SDATA_IN End of previous audio frame AC-Link are aware of the start of a new audio frame. On the next rising of BIT_CLK, the AC‘97 CODEC transitions SDATA_IN ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK before attempting any register writes, or attempting to enable any audio stream, to avoid undesirable audio artifacts. Prior to any attempts at putting an AC‘97 CODEC into operation, the AC‘97 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK SLOTREQ bits are always 0 in the following cases • Fixed rate mode (VRA = 0) • Inactive (powered down) ADC channel SLOTREQ bits are only set ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 5.4.8. Slots 7-8: Vendor Reserved The left and right ADC channels of the STAC9752A/9753A may be assigned to slots 7&8 by Regis- ter 6Eh. NOTE: The ADC can be assigned ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK When the AC‘97 Digital Controller addresses a Secondary CODEC, the Slot 0 Tag bits for Address and Data must non-zero, 2-bit CODEC ID in the LSBs of ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Slot 10-12 The AC-link input slots (transmitted from the Codec) are defined as follows: Slot 0 SDATA_IN TAG 1 STATUS ADDR read port 2 STATUS DATA read ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK The AC-Link input slots dedicated to audio are defined as follows: Slot Dedicated Microphone ADC Note: The ADC can be assigned to slots ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 6. STAC9752A/9753A FUNCTIONAL BLOCKS 6.1. STAC9752A/9753A Mixer Description The STAC9752A/9753A includes an analog mixer for maximum flexibility. The analog mixer is designed to the AC'97 specification to manage the record ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 6.1.1. Mixer Functional Diagrams Figure 21. STAC9752A/9753A 2-Channel Mixer Functional Diagram 28h: D5-D4 Slot DAC 1 3D Select (FRONT) 20h:D13 22h:D2-D3 Digital PCBeep vol PC_BEEP 1 2 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 6.2. SPDIF Digital Mux The STAC9752A/9753A incorporates a digital output that supports SPDIF formats. A multiplexer determines which of two digital input streams are used for the digital output conversion ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Value 100 127 255 This will be programmed directly by the BIOS. IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Table 17. Digital PC ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7. PROGRAMMING REGISTERS Address 00h Reset 02h Master Volume 04h HP_OUT Mixer Volume 06h Master Volume MONO 0Ah PC Beep Mixer Volume 0Ch Phone Mixer Volume 0Eh Mic Mixer Volume ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Address 6Eh (Page01h) Reserved 70h Enable Register 72h Analog Current Adjust 74h EAPD Access 76h Register 78h Enable 78h High Pass Filter Bypass 7Ah Universal Jacks 7Ch Vendor ID1 7Eh ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.1.2. Master Volume Registers (02h) Default: 8000h D15 D14 Mute RSRVD D7 Reserved Bit(s) Reset Value 12 4:0 0 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 7 4:0 0 7.1.4. Master Volume MONO (06h) Default: 8000h D15 D14 Mute D7 Reserved Bit(s) Reset Value ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 12:5 00h 4 7.1.6. Phone Volume (Index 0Ch) Default: 8008h. D15 D14 Mute D7 Reserved Bit(s) Reset Value 15 1 14:5 0 4:0 0 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 4:0 0 7.1.8. LineIn Volume (Index 10h) Default: 8808h. D15 D14 Mute D7 Reserved Bit(s) Reset Value 15 1 14:13 0 12:8 0 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.1.9. CD Volume (Index 12h) Default: 8808h. D15 D14 Mute D7 Reserved Bit(s) Reset Value 15 1 14:13 0 12:8 0 7:5 0 4:0 0 7.1.10. Video Volume (Index 14h) ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 7:5 0 4:0 0 7.1.11. Aux Volume (Index 16h) Default: 8808h. D15 D14 Mute D7 Reserved Bit(s) Reset Value 15 1 14:13 0 12:8 0 7:5 0 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 15 1 14:13 0 12:8 0 7:5 0 4:0 0 7.1.13. Record Select (1Ah) Default: 0000h (corresponding to Mic in) Used to select the record source independently ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 7:3 0 2:0 0 7.1.14. Record Gain (1Ch) Default: 8000h (corresponding gain with mute on) D15 D14 Mute D7 Bit(s) Reset Value 15 1 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Reset Bit(s) Value 12: 6:0 0 7.1.16. 3D Control (22h) Default: 0000h D15 D14 D7 Bit(s) Reset ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.1.17. Audio Interrupt and Paging (24h) Default: 0000h D15 D14 I4 D7 Bit(s) Reset Value 15 0 14- IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 10:4 0 3:0 0 7.1.18. Powerdown Ctrl/Stat (26h) Default: 000Fh D15 D14 EAPD PR6 D7 Bit(s) Reset Value ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 7.1.18.1. The lower half of this register is read only status indicating that each subsection is ready. Ready is defined as ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK one of three secondary CODECs. The AMAP bit, D9, will return a 1 indicating that the CODEC sup- ports the optional “AC’97 2.3 Compliant AC-Link Slot to Audio DAC Mappings”. ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 15 14- 9 7.1.20.1. The Extended Audio Status Control register also contains one active bit ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK low given audio frame, the controller will pass the next PCM sample for the corresponding slot in the audio frame that immediately follows. The VRA enable bit must ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.1.21. PCM DAC Rate Registers (2Ch and 32h) The internal sample rate for the DACs and ADCs are controlled by the value in these read/write reg- isters that contain a ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.1.24. SPDIF Control (3Ah) Default: 2000h D15 D14 V DRS D7 CC3 CC2 Bit(s) Reset Value 13: 10 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.2.2. GPIO Pin Definitions GPIO pins are programmable to have input/output functionality. The data values (status) for these pins are all in one register with input/output configuration in a separate ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.2.5. GPIO Pin Configuration Register (4Ch) Default: 0003h D15 D14 D7 Bit(s) Access 15:2 Read Only 1 Read / Write 0 Read / Write 7.2.6. GPIO Pin Polarity/Type Register (4Eh) ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Access 1 Read / Write 0 Read / Write 7.2.8. GPIO Pin Mask Register (52h) Default: 0000h D15 D14 D7 D6 Bit(s) Access 15:2 Read Only 1 Read / ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.3. Extended CODEC Registers Page Structure Definition Registers 60h-68h are the Extended CODEC Registers: These registers allow for the definition of further capabilities. These bits provide a paged address space ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Reg NAME 68h Function Information 6Ah Sense Register 6Ch 6Eh 7.4.1. CODEC Class/Rev (60h Register 24h must be set to Page 01h to access this register. Default: 12xxh D15 D14 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 15-0 Note: This register is populated by the BIOS and does not reset on RESET#. 7.4.3. PCI SSID (64h Register 24h must be set to Page 01h ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 15-5 4-1 00h 0 0 Note: This register does not reset on RESET#. Function Code 00h 01h 05h 06h 7.4.5. Function Information (68h Register 24h must be ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Default: 00xxh, see table 23: page77. D15 D14 G4 D7 DL2 DL1 Bit(s) Reset Value 15 0 14- 9-5 IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value Reg 66h Function Code 00h Line Out 01h Headphone Out All other Function Codes G[4:0] 00000 00001 01111 10001 11111 Bit ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Default: 0000h D15 D14 D7 Bit(s) Reset Value 15 7.4.7. Sense Details (6Ah Register 24h must be set to Page 01h to access ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 7-6 5-0 Reported Value Bh-Eh Fh Reported Value ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.4.8. Revision Code (6Ch) To access Register 6Ch, Page 00h must be selected in Register 24h. Default: xxxxh D15 D14 D7 Bit(s) Reset Value 15:8 00h 7:0 xx 7.4.9. Analog ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Bit(s) Reset Value 5 7.4.10. Analog Current Adjust (72h) To unlock Register 72h, write 0xABBA to Register 70h. Default: 0000h D15 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 7.4.11. EAPD Access Register (74h) Default: 0800h D15 D14 EAPD D7 Bit(s) Reset Value 15 0 14: 10 7.4.12. Register ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Default: 0000h D15 D14 HP SEL D7 STMIC SEL MSPWDN Reset Bit(s) Value 15:14 00 13: 9 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Reset Bit(s) Value 7.5. Vendor ID1 and ID2 (Index 7Ch and 7Eh) These two registers contain four 8-bit ID codes. The first three codes have been ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 8. LOW POWER MODES The STAC9752A/9753A is capable of operating at reduced power when no activity is required. The state of power down is controlled by the Powerdown Register (26h). ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Figure 23. Powerdown/Powerup Flow With Analog Still Alive PR0=1 Normal PR0=0 & ADC=1 Figure 23 illustrates a state when all the mixers should work with the static volume settings that ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 9. MULTIPLE CODEC SUPPORT The STAC9752A/9753A provides support for the multi-CODEC option according to the Intel AC'97, rev 2.3 specification. By definition there can be only one Primary CODEC (CODEC ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 9.2. Secondary CODEC Register Access Definitions The AC'97 Digital Controller can independently access Primary and Secondary CODEC registers by using a 2-bit CODEC ID field (chip select) which is defined ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 10. TESTABILITY The STAC9752A/9753A has two test modes. One is for ATE in-circuit test and the other is restricted for IDT’s internal use. STAC9752A/9753A enters the ATE in-circuit test mode ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11. STAC9752A/9753A PIN DESCRIPTION 11.1. Pin Description for the 48-pin LQFP Package MONO_OUT 37 AVdd2 38 HP_OUT_L 39 No Connect 40 HP_OUT_R 41 AVss2 42 GPIO0 43 GPIO1 44 CID0 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11.2. Pinout List 48-pin LQFP Package Pin ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11.3. Pin Description for the 32-pad QFN Package Figure 25. STAC9752A/9753A 32 pad QFN Pin Description Drawing MONO_OUT AVDD2 HP_L HP_R AVSS GPIO3 EAPD/GPIO4 SPDIF-OUT Pin 32: To Disable SPDIF, ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11.4. Pinout List 32-pad QFN Package Pin Pin 32: To Disable SPDIF, use an ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Pin Name BIT_CLK SDATA_IN SYNC RESET# GPIO0 GPIO1 CID0 CID1 EAPD/GPIO SPDIF-OUT 11.6. STAC9752A/9753A Analog I/O These signals connect the STAC9752A/9753A to analog sources and sinks, including microphones and speakers. ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Pin Name MONO_OUT HP_OUT_L* HP_OUT_R 1. ^ any unused input pins should be tied together and connected through a capacitor (0.1 µF sug- gested) to ground, except the MIC inputs ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 11.8. STAC9752A/9753A Power and Ground Signals Pin Name AVdd2 AVss1 AVss3 DVdd2 DVss1 DVss2 11.9. STAC9752A/9753A No Connects These pins have no function and may be connected to traditional AC97 ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 12. ORDERING INFORMATION Ordering Information Part Number STAC9752AXTAEyyX 48-pin RoHS QFP 7mm x 7mm x 1.4mm STAC9753AXTAEyyX 48-pin RoHS QFP 7mm x 7mm x 1.4mm STAC9752AXNAEyyX 32-pin RoHS QFN 5mm ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 13. PACKAGE DRAWINGS AND PC BOARD LAYOUT INFORMATION 13.1. 48-Pin LQFP pin LQFP Pin 1 IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Figure 26. ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 13.2. 32-Pad QFN IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Figure 27. Package Drawing - 32-pad QFN 99 PC AUDIO QFN Dimensions in mm Key Min Nom ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 13.3. PC Board Recommendations for 32-pad QFN Package Figure 28. Recommended PCB Layout for 32-pad QFN Package SUGGESTED FOOTPRINT 1 0.50 mm typical 8 2.375 mm 4.75 mm NOTES: 1. ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 14. SOLDER REFLOW PROFILE 14.1. Standard Reflow Profile Data Note: These devices can be hand soldered at 360 FROM: IPC / JEDEC J-STD-020C “Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 14.2. Pb Free Process - Package Classification Reflow Temperatures Package Type IDT™ AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK LQFP 48-pin QFN 32-pad 102 MSL Reflow Temperature o ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 15. APPENDIX A: PROGRAMMING REGISTERS Reg # Name D15 00h Reset RSRVD 02h Master Volume Mute HP_OUT 04h Mute Mixer Volume Master Volume 06h Mute Mono PC_BEEP 0Ah Mute Volume ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Reg # Name D15 68h Function Page G4 Information 01h Digital Audio 6Ah Control 6Ah Page Sense Details ST2 01h 6Ch Revision Code 6Ch Page 01h 6Eh Analog Special 6Eh ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 16. REVISION HISTORY Revision Date 0.9 Inital Release Corrected Note 4 in performance characteristics, was missing the text “Ratio of Full Scale signal toTHD+N output with -3dB signal, measured “A ...
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STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Innovate with IDT audio for high fidelity. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 ...