Intel PXA255 User Manual
Page 55
Intel® PXA255 Processor Developer’s Manual
2-25
System Architecture
I2S
0x4040_0000
0x4040_0000
SACR0
Global Control Register
0x4040_0004
SACR1
Serial Audio I
2
S/MSB-Justified Control Register
0x4040_0008
—
Reserved
0x4040_000C
SASR0
Serial Audio I
2
S/MSB-Justified Interface and FIFO Status Register
0x4040_0010
—
Reserved
0x4040_0014
SAIMR
Serial Audio Interrupt Mask Register
0x4040_0018
SAICR
Serial Audio Interrupt Clear Register
0x4040_001C
through
0x4040_005C
—
Reserved
0x4040_0060
SADIV
Audio Clock Divider Register.
0x4040_0064
through
0x4040_007C
—
Reserved
0x4040_0080
SADR
Serial Audio Data Register (TX and RX FIFO access Register).
AC97
0x4050_0000
0x4050_0000
POCR
PCM Out Control Register
0x4050_0004
PICR
PCM In Control Register
0x4050_0008
MCCR
Mic In Control Register
0x4050_000C
GCR
Global Control Register
0x4050_0010
POSR
PCM Out Status Register
0x4050_0014
PISR
PCM In Status Register
0x4050_0018
MCSR
Mic In Status Register
0x4050_001C
GSR
Global Status Register
0x4050_0020
CAR
CODEC Access Register
0x4050_0024
through
0x4050_003C
—
Reserved
0x4050_0040
PCDR
PCM FIFO Data Register
0x4050_0044
through
0x4050_005C
—
Reserved
0x4050_0060
MCDR
Mic-in FIFO Data Register
0x4050_0064
through
0x4050_00FC
—
Reserved
0x4050_0100
MOCR
Modem Out Control Register
0x4050_0104
—
Reserved
0x4050_0108
MICR
Modem In Control Register
0x4050_010C
—
Reserved
0x4050_0110
MOSR
Modem Out Status Register
Table 2-8. System Architecture Register Address Summary (Sheet 5 of 12)
Unit
Address
Register Symbol
Register Description