(No.RA018<Rev.002>)1-25
2.6.2 Universal connector specification
3 TXD I/O Serial data output/USB DP
4 5V O 5V power supply output
5E -GND
6 OPT I MIC identification
7 PF I Programmable function key input
8PTT IPTT input
9ME -MIC GND
10 EMC I External MIC input/USB VBUS
11 MSW I EXT/Int MIC switch input
12 SP- O BTL output for external speaker -
13 SP+ O BTL output for external speaker +
14 SSW I EXT/Int speaker switch input
CN13
1 SP- O BTL output for internal speaker -
2 SP+ O BTL output for internal speaker +
Pin No. Name I/O Function
J1
1 DAT2 I/O Data 2
2 CD/DAT3 I/O Data 3
3 CMD I/O Command input/output
4 VDD O 3.3V output
5 CLK O Clock output
6 VSS - GND
7 DAT0 I/O Data 0
8 DAT1 I/O Data 1
9 CD I Card detect switch
10 COMMON - GND
11 GND1 - GND
12 GND2 - GND
Pin No. Name I/O Function
Pin No. Name I/O Signal Type Function
Rating and Condition
Parameter Min Typ Max Unit
1 SSW I Digital EXT/INT speaker switch input VIH 2.5 - 5.3 V
VIL 0.0 - 0.15 V
2 SP+ O Analog BTL output for external
speaker
[ 8Ω load ]
Max output power (1kHz, Batt=7.5V) 1.3 1.8 W
DC Bias 2.5 V
Allowable Frequency 300 3000 Hz
3 SP- O Analog [ 16Ω load ]
Max output power (1kHz, Batt=7.5V) 0.9 1.4 W
DC Bias 2.5 V
Allowable Frequency 300 3000 Hz
4 MSW I Digital EXT/INT MIC switch input VIH 3.5 - 5.3 V
VIL 0.0 - 0.15 V
5 EMC I Analog External MIC input Audio Level (STD deviation) 7.7 12.5 17.3 mV
DC Bias 3.3 V
Allowable Frequency 300 3000 Hz
Input impedance - 1.8 - kΩ
VBUS Analog USB VBUS (5V) input VIH 4.8 - 5.3 V
VIL 0.0 - 0.50 V
6 ME - - MIC GND This is GND port for Microphone.
7 PTT I Digital PTT input VIH 2.5 - 5.3 V
VIL 0.0 - 0.40 V
8 PF I Analog Programmable function key
input
V(PF2) 3.5 - 3.9 V
V(PF1) 2.5 - 3.5 V
9 OPT I Digital MIC identification VIH 4.0 - 5.3 V
VIL 0.0 - 0.7 V
10 GND - - GND
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