Pin Number |
Pin Name |
Description (may be empty) |
1 | VCHARGE | battery charging voltage IN (max. 2A) |
2 | VCHARGE | battery charging voltage IN (max. 2A) |
3 | VBATTERY | 6 V output to accessories (max. 0.5A) |
4 | V-PROG | flash programming voltage (0.5/12 VDC) |
5 | EXTMIC+PWR | external audio from the microphone (typ. 400 mVrms) |
6 | GND | |
7 | GND | |
8 |
EXTERP+HOOK |
external audio to the speaker amplifier (220 mVrms) |
9 | !PTTX | external PTT input, 0V active (0/5V) |
10 | I2C_INT | i2c interrupt, radio input (0/5V) |
11 | SCL | I2C clock |
12 | SDA | I2C data |
13 | TXD | serial out (0/5V) |
14 | RXD | serial in (0/5V) |
15 | EXTIO | |
16 | CHGCONT | charging control voltage (analog) |
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