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TSH512 Fiches technique(PDF) 5 Page - STMicroelectronics |
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TSH512 Fiches technique(HTML) 5 Page - STMicroelectronics |
5 / 31 page TSH512 Device diagrams and schematics Doc ID 8120 Rev 7 5/31 Table 3. Pin descriptions Pin Pin name Related to Direction(1) Pin description 1 DEC2 TX2 - Decoupling capacitor for internal voltage reference 2 MIC-BIAS2 TX2 O Microphone bias 3 GND - - Ground 4 VCC - - Supply voltage 5 SBY TX1 & TX2 I Standby control (input pin) 6 VOX-INTS TX1 & TX2 - Time constant terminal for audio signal integrator in VOX 7 VOX-SENS TX1 & TX2 - Gain adjustment for VOX input sensitivity 8 VCC - - Supply voltage 9 GND - - Ground 10 MIC-BIAS1 TX1 O Microphone bias 11 DEC1 TX1 - Decoupling capacitor for internal voltage reference 12 LNA-INP1 TX1 I LNA positive input 13 LNA-INN1 TX1 I LNA negative input 14 LNA-OUT1 TX1 O LNA output 15 ALC-INT1 TX1 - Time constant terminal for integrator in ALC 16 PEA-INN1 TX1 I Pre-emphasis amplifier negative input 17 PEA-OUT1 TX1 O Pre-emphasis amplifier output 18 VCO-BIAS1 TX1 O Bias for external VCO components 19 VCC - - Supply voltage 20 VCO-A1 TX1 - Oscillator component connection 21 VCO-B1 TX1 - Oscillator component connection 22 VCO-OUT1 TX1 O VCO output 23 GND - - Ground 24 BUF-IN1 TX1 I Input to the output buffer 25 BUF-OUT1 TX1 O Output of the output buffer 26 VCC - - Supply voltage 27 VOX-MUTE TX1 & TX2 O Mute control (output pin) in VOX 28 VOX-INTN TX1 & TX2 - Time constant terminal for noise integrator in VOX 29 VOX-TIMER TX1 & TX2 - Rise time for timer in VOX 30 GND - - Ground 31 BUF-OUT2 TX2 O Output of the output buffer 32 BUF-IN2 TX2 I Input to the output buffer 33 GND - - Ground 34 VCO-OUT2 TX2 O VCO output 35 VCO-B2 TX2 - Oscillator component connection |
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