Intel PXA255 User Manual

Page 61

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Intel® PXA255 Processor Developer’s Manual

2-31

System Architecture

0x4140_002C

NSSPSP

NSSP Programmable Serial Protocol

Hardware
UART

0x4160_0000

0x4160_0000

HWRBR

Receive Buffer Register (read only)

0x4160_0000

HWTHR

Transmit Holding Register (write only)

0x4160_0004

HWIER

Interrupt Enable Register (read/write)

0x4160_0008

HWIIR

Interrupt ID Register (read only)

0x4160_0008

HWFCR

FIFO Control Register (write only)

0x4160_000C

HWLCR

Line Control Register (read/write)

0x4160_0010

HWMCR

Modem Control Register (read/write)

0x4160_0014

HWLSR

Line Status Register (read only)

0x4160_0018

HWMSR

Modem Status Register (read only)

0x4160_001C

HWSPR

Scratch Pad Register (read/write)

0x4160_0020

HWISR

Infrared Selection Register (read/write)

0x4160_0024

HWFOR

FIFO Occupancy Register (read only)

0x4160_0028

HWABR

Auto-Baud Control Register (read/write)

0x4160_002C

HWACR

Auto-Baud Count Register

0x4160_0000

HWDLL

Divisor Latch Low Register (DLAB = 1) (read/write)

0x4160_0000

HWDLH

Divisor Latch High Register (DLAB = 1) (read/write)

LCD
Controller

0x4400_0000

0x4400_0000

LCCR0

LCD Controller Control Register 0

0x4400_0004

LCCR1

LCD Controller Control Register 1

0x4400_0008

LCCR2

LCD Controller Control Register 2

0x4400_000C

LCCR3

LCD Controller Control Register 3

0x4400_0200

FDADR0

DMA Channel 0 Frame Descriptor Address Register

0x4400_0204

FSADR0

DMA Channel 0 Frame Source Address Register

0x4400_0208

FIDR0

DMA Channel 0 Frame ID Register

0x4400_020C

LDCMD0

DMA Channel 0 Command Register

0x4400_0210

FDADR1

DMA Channel 1 Frame Descriptor Address Register

0x4400_0214

FSADR1

DMA Channel 1 Frame Source Address Register

0x4400_0218

FIDR1

DMA Channel 1 Frame ID Register

0x4400_021C

LDCMD1

DMA Channel 1 Command Register

0x4400_0020

FBR0

DMA Channel 0 Frame Branch Register

0x4400_0024

FBR1

DMA Channel 1 Frame Branch Register

0x4400_0038

LCSR

LCD Controller Status Register

0x4400_003C

LIIDR

LCD Controller Interrupt ID Register

0x4400_0040

TRGBR

TMED RGB Seed Register

0x4400_0044

TCR

TMED Control Register

Memory
Controller

0x4800_0000

Table 2-8. System Architecture Register Address Summary (Sheet 11 of 12)

Unit

Address

Register Symbol

Register Description

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