Hytera PD78XG - Page 39

Service Manual Interface Definition
29
Pin No. Name Function
Valid
Level
3
5
7
9
IO2-OPT
IO3-OPT
IO4-OPT
IO5-OPT
11
13
15
17
UART3-TX-OPT
UART3-RX-OPT
UART3-CTS/IO30-OPT
UART3-CTS/IO30-OPT
UART3 /
2 IIC-SDA-Acce/CLK-32K-OUT
IIC-SDA-Acce for Version K of
UHF1/UHF2/UHF3, Version F of
UHF5 and Version B of VHF
CLK-32K-OUT for Version F/H of
UHF1
/
4 IIC-SCL-Acce/CLK-OPT
IIC-SCL-Acce for Version K of
UHF1/UHF2/UHF3, Version F of
UHF5 and Version B of VHF
CLK-32K-OUT for Version F/H of
UHF1
/
6
8
10
12
MCBSP3-DR-OPT
MCBSP3-WCLK-OPT
MCBSP3-DX-OPT
MCBSP3-FSX-OPT
MCBSP3 /
14 / Ground (analog) /
16 AF-50PIN-TO-CODEC Analog audio signal /
18 AF-CODEC-TO-50PIN Analog audio signal /
19 / Ground (digital) /
20 3V6D Power supply for digital circuit /