SAA7327H Philips Semiconductors, SAA7327H Datasheet
SAA7327H
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DATA SHEET SAA7327 Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) Product specification Supersedes data of 1999 Jun 17 File under Integrated Circuits, IC01 INTEGRATED CIRCUITS 2000 Jun 26 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 QUICK REFERENCE DATA 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Decoder part 7.1.1 Principal operational modes of the decoder 7.1.2 Decoding speed and crystal frequency 7 ...
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... Automatic closed-loop gain control available for focus and radial loops Pulsed sledge support 3 ORDERING INFORMATION TYPE NUMBER NAME SAA7327H QFP64 2000 Jun 26 Electronic damping of fast radial actuator during long jump Microcontroller loading LOW High-level servo control option High-level mechanism monitor Communication may be via TDA1301/SAA7345 compatible bus or I On-chip clock multiplier allows the use of 8 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 4 QUICK REFERENCE DATA SYMBOL PARAMETER V supply voltage DD I supply current DD f crystal frequency xtal T ambient temperature amb T storage temperature stg S/N onboard DAC signal-to-noise ratio ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 5 BLOCK DIAGRAM handbook, full pagewidth ADC ref 7 V RIN GENERATOR 40 SCL 39 SDA MICROCONTROLLER 41 RAB 42 SILD 2 HFIN 1 HFREF FRONT-END 3 ISLICE 6 I ref 25 TEST1 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 6 PINNING SYMBOL PIN HFREF 1 HFIN 2 ISLICE 3 ( SSA1 ( DDA1 I 6 ref V 7 RIN ( SSA2 CROUT 15 CRIN ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PIN RAB 41 SILD 42 STATUS 43 TEST3 44 RCK 45 SUB 46 SFSY 47 SBSY 48 CL11 SSD2 DOBM 51 ( DDD1(P) CFLG ( DDD2(C) ( ...
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... ECODING SPEED AND CRYSTAL FREQUENCY The SAA7327 is a two speed decoding device, with an internal Phase-Locked Loop (PLL) clock multiplier. 2000 Jun 26 SAA7327H Fig.2 Pin configuration. Depending on the crystal frequency used and the internal clock settings (selectable via decoder register B), the playback speeds shown in Table 1 are possible, where ‘n’ ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) varying input data rates from the inside-to-outside of the disc. In the lock-to-disc mode, the FIFO is blocked and the decoder will adjust its output data rate to the disc speed. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.2 Crystal oscillator The crystal oscillator is a conventional 2-pin design operating between 8 and 35 MHz. This oscillator is capable of operating with ceramic resonators and with both fundamental and third overtone crystals. External ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) V SSA HF input Fig.6 Data slicer showing typical application components (for n = 1). 7.4 Demodulator 7.4.1 F RAME SYNC PROTECTION A double timing system is used to protect the demodulator from erroneous sync patterns in the serial data. ...
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Acrobat reader. white to force landscape pages to be ... reg D XX01 V4 SUBCODE INTERFACE SUBCODE PROCESSOR 1: decoder ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.5 Subcode data processing 7.5.1 Q- CHANNEL PROCESSING The 96-bit Q-channel word is accumulated in an internal buffer. The last 16 bits are used internally to perform a Cyclic Redundancy Check (CRC). If the data is good, the SUBQREADY-I signal will go LOW ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 200/n s min W96 n = disc speed. 7.6 FIFO and error corrector The SAA7327 has a 8 frame FIFO. The error corrector type, with error corrections on both C1 (32 symbol) and C2 (28 symbol) frames ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) Table 2 Output flags ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.7 UTE FULL SCALE ATTENUATION AND FADE A digital level controller is present on the SAA7327 which performs the functions of soft mute, full-scale, attenuation and fade; these are selected via decoder register 0: Mute: signal reduced maximum of 128 steps ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.8 DAC interface 7.8 NTERNAL BITSTREAM IGITAL C (DAC) ONVERTER The onboard bitstream DAC operates at a clock frequency of 96f and is designed for operation with an audio input Optimum performance is dependent on the application ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.8.2 E DAC XTERNAL INTERFACE Audio data from the CD7 II decoder can be sent direct to an external DAC, identical to the SAA737x series. This is similar to the ‘loopback’ mode, but in this case the internal DAC outputs can be held at zero i ...
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Acrobat reader. white to force landscape pages to be ... SCLK DATA LEFT CHANNEL DATA (WCLK NORMAL POLARITY) WCLK EF ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.9 EBU interface The bi-phase mark digital output signal at pin DOBM is in accordance with the format defined by the IEC 958 specification. Three different modes can be selected via ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.10 KILL circuit The KILL circuit detects digital silence by testing for an all-zero or all-ones data word in the left or right channel prior to the digital filter. The output is switched active LOW when silence has been detected for at least 270 ms mute is active CD-ROM modes ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.13 Spindle motor control 7.13.1 M OTOR OUTPUT MODES The spindle motor speed is controlled by a fully integrated digital servo. Address information from the internal 8 frame FIFO and disc speed information are used to calculate the motor control output signals ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) MOTO1 7.13.1.3 PWM output mode (4-line) Using two extra outputs from the versatile pins interface possible to use the SAA7327 with a 4-input motor bridge. The timing is illustrated in Fig.17. A typical application diagram is illustrated in Fig.18. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) V4 MOTO1 7.13.1.4 CDV/CAV output mode In the CDV motor mode, the FIFO position will be put in pulse-width modulated form on the MOTO1 pin [carrier frequency (300 d) Hz], where ‘d’ is the disc speed factor. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.13.4 FIFO OVERFLOW If FIFO overflow occurs during Play mode (e.g result of motor rotational shock), the FIFO will be automatically reset to 50% and the audio interpolator tries to conceal as much as possible to minimize the effect of data loss. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14 Servo part 7.14.1 D IODE SIGNAL PROCESSING The photo detector in conventional two-stage three-beam Compact Disc systems normally contains six discrete diodes. Four of these diodes (three for single foucault ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADOW SHADEN BIT REGISTER 1 C signal magnitude control for diodes R1 and R2 7.14.2 S IGNAL CONDITIONING The digital codes retrieved from the ADCs are applied to logic circuitry to obtain the various control signals. The signals from the central aperture diodes are processed to obtain a normalised focus error signal ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth SATELLITE DIODE SATELLITE DIODE R2 single Foucault 7.14.3 F OCUS SERVO SYSTEM 7.14.3.1 Focus start-up Five initially loaded coefficients influence the start-up behaviour of the focus controller. The automatically generated triangular voltage can be influenced by 3 parameters ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14.3.4 Focus loss detection and fast restart Whenever FOK is false for longer than approximately 3 ms assumed that the focus point is lost. A fast restart procedure is initiated which is capable of restarting the focus loop within 200 to 300 ms depending on the programmed coefficients of the microcontroller ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) During the actuator jump mode, velocity control with a PI controller is used for the actuator. The sledge is then continuously controlled using the filtered value of the radial PID output. All filter parameters (for actuator and sledge) are user programmable ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.14 TRACK DETECTION During active radial tracking, off-track detection has been realised by continuously monitoring the off-track counter value. The off-track flag becomes valid whenever the off-track counter value is not equal to zero. Depending on the type of extended S-curve, the off-track counter is reset after 0 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) During reset (i.e. RESET pin is held LOW) the RA, FO and SL pins are high-impedance. 7.14.10 L ASER INTERFACE The LDON pin (open-drain output) is used to switch the laser off and on. When the laser is on, the output is high-impedance. The action of the LDON pin is controlled by the xtra_preset parameter ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.1 M ICROCONTROLLER INTERFACE 7.15.1.1 Writing data to registers The sixteen 4-bit programmable configuration registers (see Table 14), can be written to via the microcontroller interface using the protocol shown in Fig.23. It should be noted that SILD must be held HIGH ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) It should be noted that RAB must be held LOW; the command or data is interpreted by the SAA7327 after the HIGH-to-LOW transition of SILD; there must be a minimum time between SILD pulses. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) RAB (microcontroller) SCL (microcontroller) SDA (microcontroller) SDA (SAA7327) Fig.24 Microcontroller write protocol for registers (repeat mode). RAB (microcontroller) SCL (microcontroller) SDA (microcontroller) SDA (SAA7327) Fig.25 Microcontroller read protocol for decoder status on SDA. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) RAB (microcontroller) SCL (microcontroller) SDA (SAA7327) Fig.26 Microcontroller protocol for reading Q-channel subcode. RAB (microcontroller) SCL (microcontroller) high-impedance SDA (SAA7327) Fig.27 SUBQREADY-I status timing when no subcode is read. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) RAB (microcontroller) SCL (microcontroller) SDA (SAA7327) Fig.28 SUBQREADY-I status timing when subcode is read. SILD handbook, full pagewidth (microcontroller) SCL (microcontroller) SDA (microcontroller) SDA (SAA7327) SILD (microcontroller) ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth SILD (microcontroller) SDA (microcontroller) Fig.30 Microcontroller protocol for repeated data in write servo commands. SILD handbook, full pagewidth (microcontroller) SCL (microcontroller) SDA (SAA7327) SILD ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.3 D ECODER REGISTERS AND SHADOW REGISTERS To maintain compatibility with the SAA737x series, decoder registers are identical to the SAA7370. However, to control the extra functionality of SAA7327, a new set of registers called shadow registers have been implemented ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) REGISTER ADDRESS 2 0010 (status control to servo part - not the STATUS pin) 3 0011 (DAC output) 4 0100 (motor gain) 5 0101 (motor bandwidth) 2000 Jun 26 DATA FUNCTION 0000 status = SUBQREADY-I ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) REGISTER ADDRESS 6 0110 (motor output configuration) 7 0111 (DAC output and status control) 8 (PLL loop filter bandwidth) 9 1001 (PLL equalization) A 1010 (EBU output) B 1011 (speed control) ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) REGISTER ADDRESS C 1100 (versatile pins interface) D 1101 (versatile pins interface) E 1110 F 1111 (subcode interface and shadow register enable) Note 1. The initial column shows the power-on reset state. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) Table 15 Loop filter bandwidth REGISTER ADDRESS 8 1000 (PLL loop filter bandwidth) Note 1. The initial column shows the power-on reset state. 7.15.5 S UMMARY OF FUNCTIONS CONTROLLED BY SHADOW REGISTERS Table 16 Shadow register settings ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADOW SHADEN BIT REGISTER 1 7 control of onboard DAC 7 servo reference pin 7, V RIN 1 A signal magnitude control for diodes 2000 Jun 26 ADDRESS DATA 0111 XXX0 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SHADOW SHADEN BIT REGISTER 1 C signal magnitude control for diodes R1 and R2 2000 Jun 26 ADDRESS DATA 1100 0000 (0.042).I 0001 (0.083).I 0010 (0.125).I 0011 (0.167).I 0100 (0.208).I 0101 (0 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.6 S UMMARY OF SERVO COMMANDS A list of the servo commands is given in Table 17. These are fully compatible with SAA7370. Table 17 SAA7327 servo commands COMMANDS CODE Write commands Write_focus_coefs1 17H ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 7.15.7 S UMMARY OF SERVO COMMAND PARAMETERS Table 18 Servo command parameters RAM PARAMETER ADDRESS foc_parm_1 foc_parm_2 foc_parm_3 foc_int 14H foc_gain 15H CA_drop 12H ramp_offset 16H ramp_height 18H ramp_incr ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) RAM PARAMETER ADDRESS jumpwatchtime 57H radcontrol 59H chip_init xtra_preset 4AH cd6cmd 4DH interrupt_mask 53H seq_control 42H focus_start_time 5EH motor_start_time1 5FH motor_start_time2 60H radial_init_time 61H brake_time 62H ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER V supply voltage DD V maximum input voltage I(max) any input pins SDA, SCL, RAB and SILD ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER Decoder analog front-end (V DDA C : HFIN OMPARATOR INPUTS PINS f clock frequency clk V switching voltage th(sw) threshold V input voltage level (HFIN) i(HFIN) Servo analog part ( DDA ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER P SELPLL (CMOS IN INPUT WITH PULL V LOW-level input voltage IL V HIGH-level input voltage IH R input pull-up resistance i(pu) C input capacitance i P TEST1, TEST2 TEST3 (CMOS INS ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER 3-state outputs P EF, SCLK, WCLK, DATA, CL16, RA, FO, SL, SBSY, SFSY, SUB INS V LOW-level output voltage HIGH-level output voltage load capacitance L t output rise time ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER R input pull-up resistance i(pu) C input capacitance i V LOW-level output voltage LOW-level output current OL C load capacitance L t output fall time o(f) Crystal oscillator I : CRIN ( NPUT ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 10 OPERATING CHARACTERISTICS (SUBCODE INTERFACE TIMING 3 amb SYMBOL Subcode interface timing (single-speed I : RCK NPUT PIN t input clock HIGH time CLKH t input clock LOW time ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth SBSY SFSY (4-wire mode) SFSY (3-wire mode) SFSY RCK SUB 2000 Jun 26 t W(SBSY) t SFSYH t W(SFSY) T cy(frame) t SFSYL 0 d(SFSY RCK – 0.8 V ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 11 OPERATING CHARACTERISTICS ( 3 amb SYMBOL PARAMETER 2 I S-bus timing (single-speed C : SCLK ( pF) LOCK OUTPUT PIN L T output clock period cy t clock HIGH time ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING 3 amb SYMBOL PARAMETER Microcontroller interface timing (4-wire bus mode; writing to decoder registers reading Q-channel subcode and decoder status); see Figs 34 and 35; note 1 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) SYMBOL PARAMETER pF) RITE MODE L t set-up time SDA to SCL sD t hold time SCL to SDA hD t set-up time SCL to sCL SILD t hold time SILD to SCL ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth RAB SCL SDA (microcontroller) Fig.35 4-wire bus microcontroller timing; write mode (decoder registers 0 to F). handbook, full pagewidth SILD SCL 0.8 V SDA (SAA7327) Fig.36 4-wire bus microcontroller timing; read mode (servo commands). ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) handbook, full pagewidth SILD SCL 0 – 0.8 V SDA (microcontroller) 0.8 V Fig.37 4-wire bus microcontroller timing; write mode (servo commands). 2000 Jun 0 sCL ...
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Acrobat reader. white to force landscape pages to be ... MOTOR INTERFACE LDON ( RFE ...
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Acrobat reader. white to force landscape pages to be ... PWRON RFFB 9 DIN TZA1024 5 RFEQO (4) 10 CMFB 8 ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 14 PACKAGE OUTLINE QFP64: plastic quad flat package; 64 leads (lead length 1.6 mm); body 2 pin 1 index DIMENSIONS (mm are the original dimensions) A UNIT ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 15 SOLDERING 15.1 Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 15.5 Suitability of surface mount IC packages for wave and reflow soldering methods PACKAGE BGA, LFBGA, SQFP, TFBGA HBCC, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, SMS (3) PLCC , SO, SOJ LQFP, QFP, TQFP ...
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... Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. ...
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... Philips Semiconductors Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II) 2000 Jun 26 NOTES 67 Product specification SAA7327 ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM ...