UCB1300BE Philips Semiconductors, UCB1300BE Datasheet
UCB1300BE
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DATA SHEET UCB1300 Advanced modem/audio analog front-end Preliminary specification File under Integrated Circuits, <Handbook> INTEGRATED CIRCUITS 1999 Jul 20 ...
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... Philips Semiconductors Advanced modem/audio analog front-end FEATURES 48 pin LQFP (SOT313) small body SMD package and low external component count results in minimal PCB space requirement 12-bit sigma delta audio codec with programmable sample rate, input and output voltage levels, capable of connecting directly to speaker and microphone, including digitally controlled mute, loopback and clip detection functions 14-bit sigma delta telecom codec with programmable sample rate, including digitally controlled input voltage level, mute, loopback and clip detection functions ...
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... Philips Semiconductors Advanced modem/audio analog front-end ORDERING INFORMATION TYPE NUMBER NAME UCB1300BE LQFP48 plastic low profile quad flat package; 48 leads; body 7 BLOCK DIAGRAM TINP 1 bit ADC TINN TOUTP 4 bit DAC TOUTN MICP 1 bit ADC MICGND SKRP 4 bit DAC SKRN 1999 Jul 20 ...
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... Philips Semiconductors Advanced modem/audio analog front-end PINNING SYMBOL PIN IO7 1 general purpose I/O pins IO8 2 general purpose I/O pins IO9 3 general purpose I/O pins ADCSYNC 4 ADC synchronization pulse input V 5 digital ground SSD n.c 6 not connected V 7 analog speaker driver ground SSA2 SPKRN 8 negative speaker output ...
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... Philips Semiconductors Advanced modem/audio analog front-end SYMBOL PIN SIBDOUT 40 SIB data output SIBCLK 41 SIB serial interface clock SIBDIN 42 SIB data input IRQOUT 43 interrupt output n.c 44 not connected IO4 45 general purpose I/O pins IO5 46 general purpose I/O pins IO6 47 general purpose I/O pins V 48 digital supply ...
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... Philips Semiconductors Advanced modem/audio analog front-end dbook, full pagewidth IO7 1 IO8 2 IO9 3 ADCSYNC SSD n. SSA2 SPKRN 8 SPRKP DDA2 TOUTP 11 TOUTN 12 1999 Jul 20 UCB1300 XXX MXXxxx Fig.2 Pin configuration. 6 Preliminary specification UCB1300 IO3 36 IO2 35 IO1 34 IO0 DDD n ...
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... Philips Semiconductors Advanced modem/audio analog front-end FUNCTIONAL DESCRIPTION The UCB1300 consists of several analog and digital sub circuits which can be programmed via the Serial Interface Bus (SIB). This enables the user to set the UCB1300 functionality according to actual application requirements. AUDIO CODEC The audio codec contains an input channel, built up with an 64 times oversampling sigma delta analog to digital converter (ADC) with digital decimation filters and a programmable gain microphone preamplifier ...
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... Philips Semiconductors Advanced modem/audio analog front-end AUD_GAIN[4,3] MICP MICGND VCCSPKR SPKRP SPKRN VSSSPKR AUD_MUTE The audio sample rate ( derived from the SIB interface clock pin (SIBCLK) and is programmable through the SIB sa interface using AUD_DIV[n]. The audio sample rate is given by the following equation: ...
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... Philips Semiconductors Advanced modem/audio analog front-end PASSIVE UCB1300 V DDA1 7 1 MICP 21 MICGND 20 V SSA1 18 The UCB1300 audio codec input path accepts microphone signals directly, only a DC blocking capacitor is needed since the MICP input is biased around 1.4V. The ‘ground’ side of the microphone is either connected to the analog ground ( the MICGND pin ...
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... Philips Semiconductors Advanced modem/audio analog front-end 48dB 24dB 0dB 21dB 0dB Fig.5 Analog and digital attenuation settings audio output path. The output level can be attenuated steps down to -69 dB. The first 8 attenuation steps ( dB) are implemented in the analog domain. The digital up sample filter contains and attenuation setting. This arrangement preserves the resolution, thus the ‘ ...
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... Philips Semiconductors Advanced modem/audio analog front-end BRIDGE TIED SPEAKER LOAD UCB1300 SPKRP SPKRN The audio input and output path are activated independently; the input path is enabled when AUDIO_IN_ENA is set, the output path is enabled when AUD_OUT_ENA is set in the audio control register B. This provides the user the means to reduce the current consumption of the UCB1300 if one part of the audio codec is not used in the application ...
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... Philips Semiconductors Advanced modem/audio analog front-end TELECOM CODEC The telecom codec contains an input channel, built up from a 64 times oversampling sigma delta analog to digital converter (ADC) with digital decimation filters, programmable attenuationgain and built-in sidetone suppression circuit. The output path consist of a digital up sample filter time oversampling 4 bit digital to analog converter (DAC) circuit followed by a differential output driver, capable of directly driving a 600 a mute function ...
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... Philips Semiconductors Advanced modem/audio analog front-end filter is determined by the selected telecom codec sample rate. This voice band filter is activated by setting TEL_VOICE_ENA in the telecom control register B. The resulting telecom input filter curves are given in Fig.37 and Fig.38. The output section of the telecom codec is designed to interface with a 600 built in mute function is activated by TEL_MUTE in the telecom control register B ...
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... Philips Semiconductors Advanced modem/audio analog front-end TOUCH SCREEN MEASUREMENT MODES The UCB1300 contains an on chip interface for a 4 wire resistive touch screen. This interface supports three modes of touch screen measurements: position, pressure and plate resistance. POSITION MEASUREMENT Two position measurements are needed to determine the location of the pressed spot. First an X measurement, secondly a Y measurement ...
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... Philips Semiconductors Advanced modem/audio analog front-end PRESSURE MEASUREMENT The pressure used to press the touch screen can be determined. In fact the contact resistance between the X and Y plate is measured, which is a good indication of the size of the pressed spot and the applied pressure. A soft stylus, e.g. a finger, leads to a rather large contact area between the two plates when a large pressure is applied ...
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... Philips Semiconductors Advanced modem/audio analog front-end PLATE RESISTANCE MEASUREMENT The plate resistance of a touch screen varies typically a lot due to processing spread. Knowing the actual plate resistance makes it possible to compensate for the plate resistance effects in pressure resistance measurements. The plate resistance decreases when two or more spots on the touch screen are pressed. In that case a part of one plate, e.g. the ...
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... Philips Semiconductors Advanced modem/audio analog front-end TOUCH SCREEN INTERFACE The UCB1300 contains a universal resistive touch screen interface for 4-wire resistive touch screen, capable of performing position, pressure and plate resistance measurements. In addition the touch screen can be programmed to generate interrupts when the touch screen is pressed. The last mode is also active when the UCB1300 is set in the stand-by mode ...
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... Philips Semiconductors Advanced modem/audio analog front-end can nevertheless be minimized by performing measurements when the LCD is quiet. This can be done by synchronizing the measurement and the video driver with the ADCSYNC pin. Vdda Rint tsmy Fig.12 Touch screen setup for interrupt detection. In addition to the measurements mentioned above, the touch screen can also act as an interrupt source. In this mode the X plate of the touch screen has to be powered and the Y plate has to be grounded ...
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... Philips Semiconductors Advanced modem/audio analog front-end TOUCH SCREEN MODE SELECTION TSC_MODE[N] SELECTED BITS 00 interrupt 01 pressure 1X position SUMMARY OF TOUCH SCREEN MODES; note 1 TOUCH SCREEN TSPX MEASUREMENT (2) X position powered Y position ADC_INPUT[n] (2) pressure - 1 powered pressure - 2 powered pressure - 3 floating pressure - 4 floating pressure - 5 grounded (2) X-plate resistance powered Y-plate resistance fl ...
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... Philips Semiconductors Advanced modem/audio analog front-end 10 BIT ADC The UCB1300 includes a 10 bit successive approximation analog to digital converter (ADC) with built-in track and hold circuit and an analog multiplexer to select one of the 4 analog inputs (AD0 - AD3), the 4 touch screen inputs (TSPX, TSMX, TSPY, TSMY) or the pressure output of the touch screen bias circuit. The ADC is used to read-out the touch screen inputs and it measures the voltage on the four analog high voltage inputs AD0 - AD3 ...
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... Philips Semiconductors Advanced modem/audio analog front-end tsibwrite ‘SIB frame’ set adc_ena:1 adc_ena (internal) adc_start (internal) adc_input_selection ‘adc start state’ ‘adc state’ adc_dat_valid adc_data Fig.14 ADC timing sequence, non ADC sync mode, no changing ADC input multiplexer settings. tsibwrite set adc_ena:1 ‘ ...
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... Philips Semiconductors Advanced modem/audio analog front-end The second ADC start mode gives the opportunity to start the ADC at the rising edge of the signal connected to the ADCSYNC pin. The 0->1 transition of the ADC_START bit will arm the ADC, such that it will start in the first detected rising edge of the ADCSYNC signal ...
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... Philips Semiconductors Advanced modem/audio analog front-end tsibwrite set adc_ena:1 ‘SIB frame’ adc_ena (internal) adc_start (internal) adc_input_selection ‘adc start state’ ‘adc state’ thadcsync adc_sync adc_dat_valid adc_data Fig.17 ADC timing sequence, ADC sync mode, changing ADC input multiplexer settings. The ADC sync mode is particularly useful when the internal ADC has to be synchronized to the external system. Typically it is used to synchronize the read-out of the touch screen to the driving of the LCD screen, which is normally placed beneath the touch screen ...
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... Philips Semiconductors Advanced modem/audio analog front-end AD[n] The applied voltage on the four analog inputs of the UCB1300 (AD0 - AD3) is attenuated before it is applied to the ADC input multiplexer using on chip resistive dividers.These high voltage inputs are optimized to handle voltages larger than the applied supply voltage. The built-in resistive voltage dividers are only activated if the corresponding analog input is selected ...
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... Philips Semiconductors Advanced modem/audio analog front-end ON-CHIP REFERENCE CIRCUIT The UCB1300 contains an on chip reference voltage source, which generates the reference voltages for the 10 bit ADC and the virtual analog ground. Alternatively the UCB1300 can be driven from an external reference voltage source. ...
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... Philips Semiconductors Advanced modem/audio analog front-end SERIAL INTERFACE BUS The UCB1300 Serial Interface Bus (SIB) is compatible with industry standard serial ports and devices, and is designed to connect directly to a system controller. The SIB protocol allows one or more slave devices to be connected to the system controller ...
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... Philips Semiconductors Advanced modem/audio analog front-end bit 0 bit 1 sibclk sibsync sibdin sibdout #1 sibdout #2 Fig.21 Serial data transmission of the UCB1300 The applied clock signal to the SIBCLK pin is used as clock signal inside the UCB1300; all internal clock signals are derived from that required that the SIBCLK signal is applied if one or more analog or digital functions are activated in the UCB1300 ...
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... Philips Semiconductors Advanced modem/audio analog front-end SIB DATA FORMAT The first 64 bits in the SIB-frame are read and written by the UCB1300 and they contain both audio and telecom codec data fields, several control bits and a control register data field are defined in table below. ...
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... Philips Semiconductors Advanced modem/audio analog front-end bit 63 sibclk sibsync sibdin control data The control register data in the SIBDOUT stream is sampled just before the SIB frame is started. This implies that the returned control register data represents the 'old' control data, in case new data was provided in the SIBDIN data stream. ...
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... Philips Semiconductors Advanced modem/audio analog front-end GENERAL PURPOSE I/O The UCB1300 has 10 programmable digital input/output (I/O) pins. These pins can be independently programmed as input or output using IO_DIR[0:9] in control register 1. The output data is determined by the content of IO_DATA[n] in control register 0, while the actual status of these pins can be read from the IO_DATA[n] bits in control register 0. ...
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... Philips Semiconductors Advanced modem/audio analog front-end INTERRUPT CIRCUIT The UCB1300 contains a programmable interrupt control block, which can generate an interrupt for a '0' to '1' and/or a '1' to '0' transition on one or more of the IO0-IO9 pins, the audio and telecom clip detect, the adc_ready signal and the TSPX and TSMX signals ...
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... Philips Semiconductors Advanced modem/audio analog front-end RESET CIRCUIT RESET is captured in the UCB1300 using a asynchronous pulse stretching circuit. RESET may be pulled down when the SIBCLK is still stopped. The internal circuit remembers this reset signal and generates an internal reset signal for at least 5 SIBCLK periods. ...
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... Philips Semiconductors Advanced modem/audio analog front-end POWER ROUTING STRATEGY The UCB1300 has nine power supply pins, since the UCB1300 contains five power supply regions within the circuit. The analog and digital parts have their separate power supplies to reduce the interference between these parts. The speaker ...
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... Philips Semiconductors Advanced modem/audio analog front-end 32 vddd 3.3V digital supply vssd 37 Fig.29 Recommended power supply connection strategy, dual power supply systems. The V pins and the V pin are connected within the UCB1300 circuit recommended to connect the V SSD SSA1 and the V directly to a ground plane on the PCB. The split in power supply connections should be maintained on the SSA1 PCB to get optimal separation ...
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... Philips Semiconductors Advanced modem/audio analog front-end APPLICATION INFORMATION In this chapter some application information is contained. More information will be available when an Application Note on UCB1300 is published. Sidetone suppression circuit 1:1 transformer Fig.30 Typical telecom codec sidetone suppression circuit (without protection circuits). An important built-in feature of the telecom codec is the sidetone suppression circuit. The sidetone suppression circuit is activated when TEL_SIDE_ENA in the telecom control register B is set ...
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... Philips Semiconductors Advanced modem/audio analog front-end A typical transformer has 156 winding impedance, thus R voltage is therefore: 156 300 + ------------------------------------------ i(tel) o(tel) 156 300 144 + + 1999 Jul 20 should be 144 . The ratio of the telecom input and output o 456 --------- - o(tel) 600 36 Preliminary specification UCB1300 ...
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... Philips Semiconductors Advanced modem/audio analog front-end Codec data transfer The UCB1300 codec operates at samples which depend on the applied SIBCLK frequency and the programmed audio and telecom divisors. The codec data transfer between the UCB1300 and the system controller has to be synchronized with the UCB1300 sample counters and the SIB bus data transfer protocol to prevent conversion errors, resulting in high distortion ...
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... Philips Semiconductors Advanced modem/audio analog front-end UCB1300 CODEC DATA TRANSFER INTO THE Both the audio and the telecom data is transferred within the SIB frame (bit 11-0 and bit 47-32). This data is accompanied by two data valid flags (bit 30: audio data valid, bit 31: telecom data valid). The codec data in the SIB frames is only processed in the UCB1300 if the appropriate data valid flag is set in the frame ...
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... Philips Semiconductors Advanced modem/audio analog front-end UCB1300 CODEC DATA TRANSFER FROM THE The data resulting from the UCB1300 codec ADC (input) paths is transfer to the system controller at the programmed codec sample rate. However the codec data is synchronized with the SIB frame repetition rate. Figure 33 shows the basic synchronization principle used inside the UCB1300. Codec data will be present in each SIB frame produced by the UCB1300 ...
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... Philips Semiconductors Advanced modem/audio analog front-end LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134); notes 1 and 2 SYMBOL V supply voltage input voltage (except inputs AD0 - AD3 input voltage AD0 - AD3 output voltage O I diode input current ...
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... Philips Semiconductors Advanced modem/audio analog front-end DC CHARACTERISTICS SSD SSA1 SSA2 SSA3 . (pin 5); unless otherwise specified SYMBOL PARAMETER V digital supply voltage DDD V analog supply voltage - excl. DDA1 speaker driver V analog supply voltage - DDA2 speaker driver only V analog ground - speaker driver ...
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... Philips Semiconductors Advanced modem/audio analog front-end AC CHARACTERISTICS SSD SSA1 SSA2 SSA3 f = 9.216 MHz; unless otherwise specified i(sibclk) SYMBOL PARAMETER Audio Input; notes 1 and 2 f audio sample frequency sa V input voltage (RMS value gain setting I(RMS bias voltage ...
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... Philips Semiconductors Advanced modem/audio analog front-end SYMBOL PARAMETER Audio Output; notes 4 and 5 V output voltage (RMS O(RMS) value) E offset error (peak-to-peak offset value bias voltage O(BIAS) attenuation step size step (analog section) N number of attenuation step steps attenuation RES resolution ...
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... Philips Semiconductors Advanced modem/audio analog front-end SYMBOL PARAMETER LE ADC differential linearity (d)(ADC) error RES resolution PBRR pass-band ripple rejection f SBR stop-band rejection D digital offset offset S sidetone suppression sup effectiveness Telecom output; note 5 f sample frequency st V output voltage (RMS O(RMS) value) ...
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... Philips Semiconductors Advanced modem/audio analog front-end SYMBOL PARAMETER t start up time of touch STRTU screen bias voltage generator Eidle Idle pressure reading light_touch Pressure reading: light-touch - 1.25xEidle ADC; notes 11 and 12 RES resolution V full scale AD0 - AD3 I(AD0-AD3) inputs Z input impedance i I input leakage current ...
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... Philips Semiconductors Advanced modem/audio analog front-end SYMBOL PARAMETER t set-up time SIBSYNC to su(SIBSYNC-SIBCLK) SIBCLK falling edge t SIBSYNC hold time after h(SIBSYNC-SIBCLK) falling edge of SIBCLK t set-up time SIBDIN to su(SIBDIN-SIBCLK) SIBCLK falling edge t SIBDIN hold time after h(SIBDIN-SIBCLK) falling edge of SIBCLK t rising edge of SIBCLK to ...
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... Philips Semiconductors Advanced modem/audio analog front-end FREQUENCY RESPONSE CURVES 0dB SBRia Fpla 0dB SBRoa Fpla 1999 Jul 20 RIPia Frequency [Hz] Fig.35 Audio input path frequency response. RIPoa Frequency [Hz] Fig.36 Audio output filter frequency response. 47 Preliminary specification UCB1300 f 0.0016 f = pla 0.42 f pha ...
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... Philips Semiconductors Advanced modem/audio analog front-end 0dB SBRvti SBRsht Fplt Fvlt 0dB SBRhto Fplt 1999 Jul 20 RIPti Voice filter enabled Fvht Fig.37 Telecom input frequency response RIPto Frequency [Hz] Fig.38 Telecom output frequency response. 48 Preliminary specification UCB1300 f = 0.0016 f plt pht ...
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... Philips Semiconductors Advanced modem/audio analog front-end CONTROL REGISTER OVERVIEW BIT MODE SYMBOL Address 0: I/O port data register R/W IO_DATA[n] Address 1: I/O port direction register R/W IO_DIR[n] 15 R/W SIB_ZERO Address 2: Rising edge interrupt enable register R/W IO_RIS_INT[n] 11 R/W ADC_RIS_INT 12 R/W TSPX_RIS_INT 13 R/W TSMX_RIS_INT 14 R/W TCLIP_RIS_INT 15 R/W ACLIP_RIS_INT Address 3: Falling edge interrupt enable register ...
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... Philips Semiconductors Advanced modem/audio analog front-end BIT MODE SYMBOL 14 W TCLIP_INT_CLR R TCLIP_INT_STAT 15 W ACLIP_INT_CLR R ACLIP_INT_STAT Address 5: Telecom control register R/W TEL_DIV[n] 7 R/W TEL_AMPL Address 6: Telecom control register B 3 R/W TEL_VOICE_ENA 4 R TEL_CLIP_STAT W TEL_CLIP_CLR 6 R/W TEL_ATT 11 R/W TEL_SIDE_ENA 13 R/W TEL_MUTE 14 R/W TEL_IN_ENA 15 R/W TEL_OUT_ENA Address 7: Audio control register A ...
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... Philips Semiconductors Advanced modem/audio analog front-end BIT MODE SYMBOL 4 R/W TSMX_GND 5 R/W TSPX_GND 6 R/W TSMY_GND 7 R/W TSPY_GND 8 and 9 R/W TSC_MODE[n] 11 R/W TSC_BIAS_ENA 12 R TSPX_LOW 13 R TSMX_LOW Address 10: ADC control register 0 R/W ADC_SYNC_ENA 1 R/W VREFBYP_CON R/W ADC_INPUT[n] 5 R/W EXT_REF_ENA 7 R/W ADC_START 15 R/W ADC_ENA Address 11: ADC data register ADC_DATA[ ADC_DAT_VAL Address 12: ID register ...
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... Philips Semiconductors Advanced modem/audio analog front-end BIT MODE SYMBOL Address 13: MODE register; note 1 0 R/W AUD_TEST 1 R/W TEL_TEST R/W PROD_TEST_MODE 12 R/W DYN_VFLAG_ENA 13 R/W AUD_OFF_CAN 14 R/W A_BIG_ENDIAN 15 R/W T_BIG_ENDIAN Address 14: Reserved Address 15: NULL register Notes 1. Activating one or more test modes changes the functionality of the UCB1300. 2. TEST (pin 13) must be HIGH when writing to these bits. ...
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... Philips Semiconductors Advanced modem/audio analog front-end PACKAGE OUTLINES LQFP48: plastic low profile quad flat package; 48 leads; body 1 pin 1 index DIMENSIONS (mm are the original dimensions) A UNIT max. 0.20 1.45 0.27 mm 1.60 0.25 0.05 1.35 0.17 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
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... Philips Semiconductors Advanced modem/audio analog front-end SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used ...
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... RIGHT TO MAKE CHANGES Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsiblility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified ...
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... Philips Semiconductors Advanced modem/audio analog front-end 1999 Jul 20 56 Preliminary specification UCB1300 ...