Pinout of the 15-pin proprietary connector used by third-party data and accessory cables for Motorola CDMA mobile phones.
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- Nicola Asuni
Updated:
This page documents the 15-pin proprietary connector used by third-party data and accessory cables for Motorola CDMA mobile phones. The pin layout is specific to this handset family and is not interchangeable with other Motorola connector types. Only the pins used by the cable are listed below.
15 pin Motorola cell phone special connector at the mobile phone ?
Pin
Signal
Description
1
GND
Connected with 22pf to pin 3
2
RF out
Connected with 33 pf to pin 8, 33 pf to pin, 33 pf to pin 7
3
GND
4
BAT_FDBAK
5
MAN_TEST
connected with 10k to L275 (not used on digital phones)
6
RS232_TX
connected to MCU SPI bus
7
RS232_RX
connected to MCU SPI bus
8
AUDIO_IN
9
AUDIO_OUT
10
GNDA
Ground reference) Connected with 33 pf to pin 13, 33 pf to pin 14
11
UPLINK
11,12,13 - DSC bus connected to the BIC
12
DOWNLINK
13
DSC_EN_B
14
EXT_B+
15
Gnd
Notes
Pin numbers refer to the connector on the handset; pins not listed are unused by the cable.
15 pin Motorola cell phone special connector at the mobile phone ?