VHF1 (136
‐
174 MHz)
Interface Definition
39
Pin No.
Name
Function
17
Audio Ground
Ground (Audio)
18
E
Analog output
19
UART_RXD
UART3 RX data
20
GP5_8
Digital input/output
21
Ground
Earth wire
22
GP5_7
Digital input/output
23
GP5_6
Digital input/output
24
PUB_ADDRESS1
Analog output
25
PUB_ADDRESS2
Analog output
26
IGN_SENSE_IN_DB26
Analog voltage input
7.3
Other Interfaces
J1 (to control head socket)
Pin No.
Name
Function
1
12V_FAN
Power supply for fan
2
FAN_GND
Ground (fan)
3
GND
For grounding
4
INT_SPKP
Speaker (positive)
5
INT_SPKN
Speaker (negative)
6
HOOK
HOOK
7
CB_UART2_TXD_IO17
/
8
CB_MCSI2_DIN_IO26
/
9
USB_D-
USB-
10
USB_D+
USB+
Summary of Contents for MD652
Page 1: ...DIGITAL MOBILE RADIO...
Page 5: ...UHF1 400 470 MHz...
Page 15: ...Exploded View and Packaging Guide UHF1 400 470 MHz 8 3 2 Packaging Guide...
Page 53: ...43 9 PCB View Front Panel PCB View Top Layer X...
Page 54: ...44 Front Panel PCB View Bottom Layer...
Page 55: ...45 Main Board PCB View Top Layer...
Page 56: ...46 Main Board PCB View Bottom Layer...
Page 106: ...VHF1 136 174 MHz...
Page 116: ...Exploded View and Packaging Guide VHF1 136 174 MHz 8 3 2 Packaging Guide...
Page 154: ...43 9 PCB View Front Panel PCB View Top Layer...
Page 155: ...44 Front Panel PCB View Bottom Layer...
Page 156: ...45 Main Board PCB View Top Layer...