
XT65/XT75 Hardware Interface Overview
3 Application Interface
s
XT65_XT75_HO_v00.130
Page 18 of 67
2006-10-12
Confidential / Preliminary
3
Application Interface
XT65/XT75 is equipped with an 80-pin board-to-board connector that connects to the external application and
incorporates several sub-interfaces: power supply, charger interface, SIM interface, serial interface ASC0, serial
interface USB, serial interface I²C/SPI, two analog audio interfaces, digital audio interface (DAI), 10 lines GPIO
interface, as well as status and control lines: IGT, EMERG_RST, PWR_IND, SYNC (for details see
Chapter 2
and
Section 6.5
).