User's Manual

AC65/AC75 Hardware Interface Description

Confidential / Preliminary

AC65/AC75_hd_v00.372 Page 23 of 118 2006-08-03

3 Application Interface

AC65/AC75 is equipped with an 80-pin board-to-board connector that connects to the

external application. The host interface incorporates several sub-interfaces described in the

following chapters:

• Power supply - see Chapter 3.1

• Charger interface – see Chapter 3.5

• SIM interface - see Chapter 3.9

• Serial interface ASC0 - see Chapter 3.10

• Serial interface ASC1 - see Chapter 3.11

• Serial interface USB - see Chapter 3.12

• Serial interface I²C/SPI - see Chapter 3.13 and 3.14

• Two analog audio interfaces - see Chapter 3.15

• Digital audio interface (DAI) - see Chapter 3.15 and 3.15.4

• 10 lines GPIO interface – see Chapter 3.16

• Status and control lines: IGT, EMERG_RST, PWR_IND, SYNC - see Table 26