Interface Definition
Service Manual
30
Table 6-4 Definition of 20-Pin Option Board Interface
16-Pin Accessory Interface
Pin No.
Name
Function
Valid Level
1
GND
Ground (analog & digital)
/
2 SPK-
External
speaker-
/
3 SEL1-Accessory
Accessory identifier 1
L
4 SEL2-Accessory
Accessory identifier 2
L
5 Emergency
Emergency
L
6 SPK+
External
/
7
USB+ / RTS
USB+ / RTS
/
8
USB- / CTS
USB- / CTS
/
9
SWB+
Power supply for the interface
/
10 MIC-
External
MIC-
/
11 GPIO
GPIO
/
12 MIC+
External
MIC+
/
13 SEL3-Accessory
Accessory identifier 3 or 1-wire
communication interface
L
14
TX
TX end of serial port communication
/
15
RX
RX end of serial port communication
/
16 PTT
TX
control
L
Table 6-5 Definition of 16-Pin Accessory Interface
Definition of Accessory Identifiers
No.
OPT_SEL1
OPT_SEL2
OPT_SEL3
Definition
1 0
0
0
Reserved
2 0
0
1
Reserved
3
0
1
0
USB master mode for the radio
4
0
1
1
For connecting earpieces
Summary of Contents for PD70X Series
Page 1: ......
Page 49: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 39 ...
Page 50: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 40 ...
Page 51: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 41 ...
Page 52: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 42 ...
Page 53: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 43 ...
Page 54: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 44 ...
Page 55: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 45 ...
Page 57: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 47 ...
Page 127: ...Service Manual UHF1 400 470MHz Information 117 Transmitter Circuit ...
Page 138: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 128 ...
Page 139: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 129 ...
Page 140: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 130 ...
Page 141: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 131 ...
Page 142: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 132 ...
Page 143: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 133 ...
Page 144: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 134 ...
Page 146: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 136 ...
Page 217: ...Service Manual UHF2 450 520MHz Information 207 Transmitter Circuit ...
Page 228: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 218 ...
Page 229: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 219 ...
Page 230: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 220 ...
Page 231: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 221 ...
Page 232: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 222 ...
Page 233: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 223 ...
Page 234: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 224 ...
Page 236: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 226 ...
Page 307: ...Service Manual UHF3 350 400MHz Information 297 Transmitter Circuit ...
Page 318: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 308 ...
Page 319: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 309 ...
Page 320: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 310 ...
Page 321: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 311 ...
Page 322: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 312 ...
Page 323: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 313 ...
Page 324: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 314 ...
Page 326: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 316 ...
Page 401: ...Service Manual UHF5 806 941MHz Information 391 Transmitter Circuit ...
Page 413: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 403 ...
Page 414: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 404 ...
Page 415: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 405 ...
Page 416: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 406 ...
Page 417: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 407 ...
Page 418: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 408 ...
Page 419: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 409 ...
Page 421: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 411 ...
Page 494: ...VHF 136 174MHz Information Service Manual 484 Transmitter Circuit ...