User Instructions

BG2-E/BG2-W Hardware Interface Overview
3 Application Interface
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BG2_HIO_v01.000 Page 17 of 30 2010-8-30
Confidential / Released
3 Application Interface
BG2-E/BG2-W is equipped with a 60-pin board-to-board connector that connects to the exter-
nal application and incorporates several sub-interfaces: power supply, SIM interface, serial in-
terface ASC0, serial interface ASC1, analog audio interface, GPIO interface, I
2
C interface and
PWM interface (for details see Chapter 2 and Section 5.5).