User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR PRODUCT OVERVIEW
1-27
Signal In/Out Description
Vref AI ADC reference voltage
IIC-Bus
IICSDA IO IIC-bus data
IICSCL IO IIC-bus clock
IICSDA1 IO IIC-bus data
IICSCL1 IO IIC-bus clock
IIS-Multi Audio Interface
I2SLRCK IO IIS-bus channel select clock
I2SSCLK IO IIS-bus serial clock
I2SCDCLK IO CODEC system clock
I2SSDI I IIS-bus serial data input
I2SSDO O IIS-bus serial data output(Front Left, Right)
I2SSDO_1 O IIS-bus serial data output(Front Center, LFE)
I2SSDO_2 O IIS-bus serial data output(Rear Left, Right)
IIS-Bus
I2S1_LRCK IO IIS-bus channel select clock
I2S1_SCLK IO IIS-bus serial clock
I2S1_CDCLK IO CODEC system clock
I2S1_SDI I IIS-bus serial data input
I2S1_SDO O IIS-bus serial data output
AC’97
AC_nRESET IO AC’97 Master H/W Reset
AC_SYNC IO 12.288MHz serial data clock
AC_BIT_CLK0 O 48kHz fixed rate sample sync
AC_SDI0 I Serial, time division multiplexed, AC’97 input stream
AC_SDO0 O Serial, time division multiplexed, AC’97 output stream
PCM
PCM0_SCLK
PCM1_SCLK
O Serial shift clock
PCM0_FSYNC
PCM1_FSYNC
O Serial data indicator and synchronizer
PCM0_SDI
PCM1_SDI
I Serial PCM input data
PCM0_SDO
PCM1_SDO
O Serial PCM output data
PCM0_CDCLK
PCM1_CDCLK
I Optional External Clock source
USB Host