User's Manual

Table Of Contents
SBM2XA-05 Data Sheet
Copyright 2009 SungJin Techwin Co., Ltd..
8
(28) IMIC BIAS
Analogue
Microphone bias
(29) PIO[11]
Bi-directional with
programmable strength
internal pull-up/down
Programmable input/output line
(30) PIO[10]
Bi-directional with
programmable strength
internal pull-up/down
Programmable input/output line
(31) PIO[9]
Bi-directional with
programmable strength
internal pull-up/down
Programmable input/output line
(32) PIO[8]
Bi-directional with
programmable strength
internal pull-up/down
Programmable input/output line
(33) ANT
For Antenna /50ohm
(34) GND GND
(35) PIO[3]
Bi-directional with
programmable strength
internal pull-up/down
PIO or output goes high to wake up PC when in USB
mode or clock request input from host controller
(36) PIO[2]
Bi-directional with
programmable strength
internal pull-up/down
PIO or external clock request
(37) PIO[1]
Bi-directional with
programmable strength
internal pull-up/down
Control output for external PA(if fitted)
(38) PIO[0]
Bi-directional with
programmable strength
internal pull-up/down
Control output for external TX/RX(if fitted)
(39) VDD_1V8 1.8V Out For Test
(40) RESET RESET (Active: Low)
(41) VDD VDD 2.7V ~ 3.7V Voltage input
(42) SPK_L- Analogue (output) Speaker output negative(left Channel)
(43) SPK_L+ Analogue (output) Speaker output positive(left Channel)