(No.RA016)1-212.6.2 Universal connector specificationCN131 SP- O BTL output for internal speaker -2 SP+ O BTL output for internal speaker +J11 DAT2 I/O Data 22 CD/DAT3 I/O Data 33 CMD I/O Command input/output4 VDD O 3.3V output5 CLK O Clock output6 VSS - GND7 DAT0 I/O Data 08 DAT1 I/O Data 19 CD I Card detect switch10 COMMON - GND11 GND1 - GND12 GND2 - GNDPin No. Name I/O FunctionPin No. Name I/O Signal Type Function Rating and ConditionParameter Min Typ Max Unit1 SSW I Digital EXT/INT speaker switch input VIH 2.5 - 5.3 VVIL 0.0 - 0.15 V2 SP+ O Analog BTL output for externalspeaker[ 8Ω load ]Max output power (1kHz, Batt=7.5V) 1.3 1.8 WDC Bias 2.5 VAllowable Frequency 300 3000 Hz3 SP- O Analog [ 16Ω load ]Max output power (1kHz, Batt=7.5V) 0.9 1.4 WDC Bias 2.5 VAllowable Frequency 300 3000 Hz4 MSW I Digital EXT/INT MIC switch input VIH 3.5 - 5.3 VVIL 0.0 - 0.15 V5 EMC I Analog External MIC input Audio Level (STD deviation) 7.7 12.5 17.3 mVDC Bias 3.3 VAllowable Frequency 300 3000 HzInput impedance - 1.8 - kΩVBUS Analog USB VBUS (5V) input VIH 4.8 - 5.3 VVIL 0.0 - 0.50 V6 ME - - MIC GND This is GND port for Microphone.7 PTT I Digital PTT input VIH 2.5 - 5.3 VVIL 0.0 - 0.40 V8 PF I Analog Programmable function keyinputV(PF2) 3.5 - 3.9 VV(PF1) 2.5 - 3.5 V9 OPT I Digital MIC identification VIH 4.0 - 5.3 VVIL 0.0 - 0.7 V10 GND - - GND
