STW5094 STMicroelectronics, STW5094 Datasheet
STW5094
Specifications of STW5094
Available stocks
Related parts for STW5094
STW5094 Summary of contents
Page 1
... PROGRAMMABLE PCM INTERFACE COMPATIBLE CONTROL INTERFACE. PROGRAMMABLE SERIAL AUDIO DATA INPUT INTERFACE (I FORMATS). (*) Functionality guaranteed in the range - 40°C to +85°C; Timing and Electrical Specifications are guaranteed in the range - 30°C to +85°C. STw5094 TFBGA 6x6 (36 pins) ORDERING NUMBER: STw5094 2 S AND OTHER 1/37 ...
Page 2
... MP3 and FM radio listening. STw5094 offers a number of programmable functions 2 accessed through an I C-bus compatible interface. The STw5094 Stereo Audio DAC section is suited for MP3, or any other audio stereo source, listening. It supports all the MP3 rates from 8kHz to 48kHz. The 2 audio data serial interface is I ...
Page 3
... FUNCTIONAL BLOCK DIAGRAM NOTE: This diagram shows the functionality of the device and of some register bits but it does not necessarily reflect the exact hardware implementation STw5094 3/37 ...
Page 4
... STw5094 PIN FUNCTION Pin Name Type N° B1 MIC1P AI Positive high impedance input to transmit preamplifier for microphone 1 connection. B2 MIC1N AI Negative high impedance input to transmit preamplifier for microphone 1 connection. A2 MIC2P AI Positive high impedance input to transmit preamplifier for microphone 2 connection. A1 MIC2N AI Negative high impedance input to transmit preamplifier for microphone 2 connection. ...
Page 5
... P D4 VCCIO P Power supply Input for the Digital I O pins. Type definitions Analog input Analog Output Digital Input Digital output, DOT - Digital Output Tristate, DIO - Digital Input Output Open Drain Power Supply or Ground. Ground for the digital section Description STw5094 5/37 ...
Page 6
... The Tone Ring DTMF generator is in power down. II DEVICE OPERATION II.1 Power on initialization and Software Reset: When power is first applied, power on reset circuitry initializes STw5094 and puts it into the power down state. All the Registers are initialized as indicated in the Control Register description section. All the functions are disabled. ...
Page 7
... HPL and CR9 for HPR possible to put all the drivers in power-down, enable the LSP N one, enable the HPL one or enable HPL and HPR together 2 C control interface. analog to digital converter that is followed by an 8th modulator, the digital to analog STw5094 digital 2 S Interface are 7/37 ...
Page 8
... II.8 Tone Generator: The Tone Generator can be activated (writing CR12) in all the Stw5094 operating modes except FM mode. In Voice and Audio modes the tones are summed to the signal possible to generate summed waveforms (either sinusoidal or square wave), their frequencies can be set in CR13 for the first one (f1) and in CR14 for the second one (f2) accordingly to the values listed in Table 1 ...
Page 9
... I C bus compatible, being the STw5094 a Slave device. SDA is the bidirectional open-drain data pin and SCL is the input clock pin. The Device Address is E2 hex. for writing and E3 hex. for reading. The interface has an internal address register that keeps the current address of the control register to be read or written ...
Page 10
... STw5094 III PROGRAMMABLE REGISTERS Control Register CR0 Functions (Address: 0x00 F(1:0) VFS (1): significant in companded mode only *: state at power on initialization Control Register CR1 Functions (Address: 0x01 DM(1: (1) significant in companded mode only *: state at power on initialization X: reserved: write 0 10/ MCLK or AUXCLK = 512 kHz MCLK or AUXCLK = 1.536 MHz MCLK or AUXCLK = 2 ...
Page 11
... Voice Codec Receive High Pass filter enabled Voice Codec Receive High Pass filter disabled Voice Codec internal sidetone disabled Voice Codec internal sidetone enabled -12.5 dB Sidetone gain -13.5 dB Sidetone gain - - - Sidetone gain step -27.5 dB Sidetone gain STw5094 Function Function Function * ( (1) (1)* Function ( 11/37 ...
Page 12
... STw5094 Control Register CR6 Functions (Address: 0x06 LAY(1:0) AFS(1:0) OS(1: (1): OCK frequency must be 256 times Audio Data Fs frequency. (2): OCK frequency must be 512 times Audio Data Fs frequency. *: state at power on initialization X: reserved: write 0 Control Register CR7 Functions (Address: 0x07 MUT state at power on initialization ...
Page 13
... FM Preamplifier (Left channel) +16 dB gain - - - FM Preamplifier (Left channel) gain step Preamplifier (Left channel) -20 dB gain Preamplifier (Right channel) +18 dB gain Preamplifier (Right channel) +16 dB gain - - - FM Preamplifier (Right channel) gain step Preamplifier (Right channel) -20 dB gain STw5094 Function * Function * Function * 13/37 ...
Page 14
... STw5094 Control Register CR12 Functions (Address: 0x0C TONEG(3:0) FSEL(1: state at power on initialization X: reserved write 0 Control Register CR13 Functions (Address: 0x0D F1(7:0) msb Control Register CR14 Functions (Address: 0x0E F2(7:0) msb Control Register CR15 Functions (Address: 0x0F BZ(5: msb * state at power on initialization ...
Page 15
... Audio I/F data width 24 bit (64 SCK clocks per frame Remocon Function disabled Remocon Function enabled Remocon output in transparent mode Remocon output in latched mode Remocon output not inverted Remocon output inverted Remocon detection latch reset by P Remocon detection latch set by internal logic STw5094 Function S)( ( format (first bit is delayed Function ...
Page 16
... STw5094 Control Register CR18 Functions (Address: 0x12 MD(1:0) CFM(1: state at power on initialization X: reserved write 0 16/ SRS PU Voice Mode Audio Mode. Tone Only Mode. FM Mode. The Master Clock Input for Tone Only and FM Mode is AUXCLK The Master Clock Input for Tone Only and FM Mode is MCLK ...
Page 17
... STw5094 F1/F2 Tone F1/F2 Tone CR13/14 Frequency Frequency Value (dec.) (Hz) (Hz) 750.0 192 1750.0 765.6 193 1781.2 781.2 194 1812.5 796.9 195 1843 ...
Page 18
... STw5094 TIMING DIAGRAM Figure 1. Voice Interface (PCM I/F) Non Delayed Data Timing Mode (*) t SFM MCLK HMF HMF FS t DFD t DMD Figure 2. Voice Interface (PCM I/F) Delayed Data Timing Mode (*) t SFM MCLK SFM HMF FS t DMD (*) In the case of companded code the timing is applied to 8 bits instead of 16 bits. ...
Page 19
... HMFR HMFR FS t DFD t DMDR (*) In the case of companded code the timing is applied to 8 bits instead of 16 bits. 2 Figure 4. Audio Interface (I S I/F) Timing OCK OCK (polarity inverted) SCK SDI LRCK SDM HMD HOCK t DAI t WMH WLM LOCK STw5094 17 t DMZR 16 19/37 ...
Page 20
... STw5094 2 Figure 5. Audio Interface (I S I/F) Formats Format (delayed), Data word 16 bit, MSB first (default) 16 SCK LRCK SCK SDI MSB Non-delayed Format, SCK polarity inverted, Data word 16 bit, LSB first 16 SCK LRCK SCK SDI LSB Left channel Format (delayed), Data word 18 bit, Left justified, LSB first ...
Page 21
... REG n+m DATA IN m+1 data bytes STOP NO ACK STOP ACK NO ACK REG n DATA OUT 1 1 STOP ACK ACK ACK REG n DATA OUT REG n+m DATA OUT 1 1 m+1 data bytes (STA) (STA 0.7V CCIO 0.3V CCIO STw5094 NO ACK STOP t SU (STO) P 21/37 ...
Page 22
... STw5094 ABSOLUTE MAXIMUM RATINGS V to GND CC Voltage at MIC (V 3.3V) CC Current at LSP/N Current at HPR,HPL Current at any digital output Voltage at any digital input (V CCIO Storage temperature range OPERATIVE SUPPLY VOLTAGES Symbol CCA CCP V CCIO TIMING SPECIFICATIONS (unless otherwise specified, V characteristics are specified at V for timing definitions) NOTICE: All timing specifications subject to change ...
Page 23
... Hold times are measured from the clock signal valid to the data input invalid. Test Condition Load = 20pF Load = 20pF; Applies only if FS rises later than MCLK rising edge in Non Delayed Mode only Load = 20pF Test Condition STw5094 Min. Typ. Max. Unit ...
Page 24
... STw5094 ELECTRICAL CHARACTERISTICS (unless otherwise specified, V typical characteristic are specified at V Digital Interfaces (See Figure 8) Symbol Parameter V Input Low Voltage IL V Input High Voltage IH V Input Low Voltage ILREM V Input High Voltage IHREM V Output Low Voltage OL V Output High Voltage OH I Input Low Current ...
Page 25
... Load Test Condition waveform, Single tone, sinusoidal t one gain 0dB, LS gain 0dB Single tone, sinusoidal waveform, tone gain 0dB, HPL, HPR gain -6dB Voice mode, Single tone, sinusoidal waveform, tone gain 0dB STw5094 Min. Typ. Max. Unit 493 mV RMS 707 mV RMS ...
Page 26
... STw5094 VOICE CODEC CHARACTERISTICS (unless otherwise specified Frequency = 8kHz; typical characteristics are specified -6dBm0 PCM code 1015.625 Hz; all signal are referenced to GND) AMPLITUDE RESPONSE Transmit path Symbol Parameter G Transmit Gain Absolute Accuracy XA G Transmit Gain Variation with XAG programmed gain G Transmit Gain Variation with ...
Page 27
... Hz to 3000 3400 4000 Hz Digital filter characteristics f = 100Hz f = 200 Hz to 6000 6800 8000 Hz Sinusoidal Test Method Reference Level = -10 dBm0 DR = -40 dBm0 to -3 dBm0 DR = -50 dBm0 to -40 dBm0 DR = -55 dBm0 to -50 dBm0 STw5094 Min. Typ. Max. Unit -0.5 0.5 dB -0.5 0.5 dB -0.1 0 ...
Page 28
... STw5094 ENVELOPE DELAY DISTORTION WITH FREQUENCY Symbol Parameter DXA Tx Delay, Absolute DXR Tx Delay, Relative DRA Rx Delay, Absolute DRR Rx Delay, Relative NOISE Symbol Parameter NXP Tx Noise, P weighted (up to 35dB) NRP Rx Noise, C-message weighted 8 Load (gain for max. undistorted output level) PSRTX PSRR, Tx ...
Page 29
... Level = -20 dBm0 Level = -30 dBm0 Level = -40 dBm0 Level = -45 dBm0 Level = -55 dBm0 Sinusoidal Test Method (measured using linear 300 Hz to 6800 Hz weighting, FS=16kHZ) Level = +3 dBm0 Level = -6 dBm0 Level = -10 dBm0 Level = -20 dBm0 Level = -30 dBm0 Level = -40 dBm0 Level = -45 dBm0 Level = -55 dBm0 STw5094 Min. Typ. Max. Unit ...
Page 30
... STw5094 DISTORTION Transmit path Symbol Parameter S Signal to Total Distortion TDX (up to 35dB gain) (*) FS frequency = 8kHz. Typical values are measured with 30.5dB gain Signal to Total Distortion FS frequency = 16kHz. Typical values are measured with 30.5dB gain (*) The limit curve shall be determined by straight lines joining successive coordinates given in the table. ...
Page 31
... Combined Digital and Analog filter characteristics. Combined Digital and Analog filter characteristics. Combined Digital and Analog filter characteristics. Measurement Bandwidth up to 3.45Fs Measurement Bandwidth 20kHz to 100kHz. Zero input signal HPR, HPL unloaded STw5094 = 2.7V to 3.3V 25°C; OCK = 12.288MHz; amb Min. Typ. Max. Unit 18 Bits ...
Page 32
... STw5094 POWER DISSIPATION (Unless otherwise specified, V HPL, HPR outputs not loaded; typical characteristics are specified at V Symbol Parameter I Power down Current, REMOCON CC0 off I Power down Current, REMOCON CC0R on I Power Up Current in Voice Codec CC1 Mode I Power Up Current in Stereo Audio CC2 ...
Page 33
... S/(N+THD) versus signal amplitude VCC=2.7V, Fs=8kHz 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0 Figure 6. Digital Audio Filter characteristic In band Frequency response Digital Audio Filter 0.05 0.1 0.15 0.2 0.25 0.3 0.35 Normalized Freq. [Fs] STw5094 0.4 0.45 0.5 33/37 ...
Page 34
... STw5094 TYPICAL PERFORMANCE CHARACTERISTICS (cont.) Digital Rx Voice Filter 0 -10 -20 -30 -40 -50 -60 -70 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 Freq. [Hz] Figure 7. Digital Rx Voice Filter characteristic Frequency response up to 2.5Fs (Fs=8kHz) Digital Rx Voice Filter (No High Pass Filt.) 1 0.5 0 -0.5 ...
Page 35
... FM Stereo Decoder Min. MBIAS MIC1P MIC1N REMIN MIC2P MIC2N MIC3 STw5094 CAP2 HPR HPL FMR FML LSP LSN 100nF 100nF 100nF VDD 10 F STw5094 To Microprocessor REMOUT Auxiliary Clock AUXCLK VDD 100k BZ 33k 32 BC556 Buzzer 1k BC546 100k MCLK FS PCM Interface SDA SDA ...
Page 36
... STw5094 mm DIM. MIN. TYP. MAX. A 1.01 1.20 A1 0.21 A2 0.82 b 0.35 0.40 0.45 D 5.85 6.00 6.15 D1 4.00 E 5.85 6.00 6.15 E1 4.00 e 0.72 0.80 0.88 f 0.85 1.00 1.15 ddd 0.10 36/37 inch MIN. TYP. MAX. 0.040 0.047 0.008 0.032 0.014 0.016 0.018 0.23 ...
Page 37
... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States All other names are the property of their respective owners © 2003 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES www.st.com STw5094 37/37 ...