Table 7-2 J4: To Aviation Jack Of Front Panel - Hytera MD78X Service Manual

Service Manual
Pin No.
4 USB_D-
5 GND
6 USB_VBUS
7 MIC_IN
8 USB_D+
9 HOOK
10 ACC_IO2
J2: to LCD display jack
Pin No.
1 GND
2 VCI
3 VCI
4 IOVCC
5 FLM
6 CS
7 RS
8 WR
9 RD
10 DB0
11 DB1
12 DB2
13 DB3
14 DB4
Name
USB data cable
Ground
Power supply
Analog input
USB data cable
Hook signal input
Digital input

Table 7-2 J4: to Aviation Jack of Front Panel

Name
Ground
2.5V-3.3V adjustable port
2.5V-3.3V adjustable port
1.65V-3.3V adjustable; input/output port
Synchronization signal control pin
Chip select signal
Register select
Write signal
Read signal
Data bus
Function
Function
25
Interface Definition