Hytera HD785 - Page 36

Interface Definition Service Manual
26
Pin No. Name Function Valid Level
24
26
28
30
KB-C3
KB-C2
KB-C1
KB-C0
23 EXT-PTT External PTT detection L
25
27
29
SEL1-Accessory
SEL2-Accessory
SEL3-Accessory
Accessory identifier L
34
36
UART1-RX-OPT/PS
UART1-TX-OPT/PS
UART1 /
38
40
42
44
UART3-TX-OPT
UART3-RX-OPT
UART3-CTS/IO30-OPT
UART3-RTS/IO29-OPT
UART3 /
31
33
35
37
MCBSP3-FSX-OPT
MCBSP3-DX-OPT
MCBSP3-WCLK-OPT
MCBSP3-DR-OPT
MCBSP3 /
39 IIC-SCL-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
/
41 IIC-SDA-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
/