1-22 (No.RA015<Rev.001>)
2.6.2 Universal connector specification
3
TXD
I/O Serial data output/USB DP
4
5V
O 5V power supply output
5
E
- GND
6
OPT
I MIC identification
7
PF
I Programmable function key input
8
/PTT
I PTT input
9
ME
- 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 s
14
SSW
I EXT/INT speaker switch input
CN13
1
SP-
O BTL output for internal speaker -
2
SP+
O BTL output for internal s
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
[ 8
Ω
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
[ 16
Ω
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
-
k
Ω
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
