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Ericsson 628/788


Pin Description
1 Audio Out
2 Audio In
3 Accessory Sense. GND to enable External Mic and Speaker (Analog)
4 Audio Signal GND
5 Portable handsfree In.
6 Music Mute Out, High when phone is used.
7 In Flash Memory Voltage and Service Voltage,
In 0V=normal,+5V=test, +12V=test+flash
8 Logic Out, Status On. Sources over 100mA
9 Data Out from Mobile Station. Debug messages appear here at 112KBaud when in debug mode.
10 Digital Ground and DC return
11 Data in
12 DC in for battery charging, DC out for accessory power

Contributor: Joakim Ögren

Ericsson 628/788 pinout at

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08