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Intel PXA255 User Manual

Page 57

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Intel® PXA255 Processor Developer’s Manual

2-27

System Architecture

0x4060_0068

UBCR2

UDC Byte Count Register 2

0x4060_006C

UBCR4

UDC Byte Count Register 4

0x4060_0070

UBCR7

UDC Byte Count Register 7

0x4060_0074

UBCR9

UDC Byte Count Register 9

0x4060_0078

UBCR12

UDC Byte Count Register 12

0x4060_007C

UBCR14

UDC Byte Count Register 14

0x4060_0080

UDDR0

UDC Endpoint 0 Data Register

0x4060_0100

UDDR1

UDC Endpoint 1 Data Register

0x4060_0180

UDDR2

UDC Endpoint 2 Data Register

0x4060_0200

UDDR3

UDC Endpoint 3 Data Register

0x4060_0400

UDDR4

UDC Endpoint 4 Data Register

0x4060_00A0

UDDR5

UDC Endpoint 5 Data Register

0x4060_0600

UDDR6

UDC Endpoint 6 Data Register

0x4060_0680

UDDR7

UDC Endpoint 7 Data Register

0x4060_0700

UDDR8

UDC Endpoint 8 Data Register

0x4060_0900

UDDR9

UDC Endpoint 9 Data Register

0x4060_00C0

UDDR10

UDC Endpoint 10 Data Register

0x4060_0B00

UDDR11

UDC Endpoint 11 Data Register

0x4060_0B80

UDDR12

UDC Endpoint 12 Data Register

0x4060_0C00

UDDR13

UDC Endpoint 13 Data Register

0x4060_0E00

UDDR14

UDC Endpoint 14 Data Register

0x4060_00E0

UDDR15

UDC Endpoint 15 Data Register

0x4060_0050

UICR0

UDC Interrupt Control Register 0

0x4060_0054

UICR1

UDC Interrupt Control Register 1

0x4060_0058

USIR0

UDC Status Interrupt Register 0

0x4060_005C

USIR1

UDC Status Interrupt Register 1

Standard
UART

0x4070_0000

0x4070_0000

STRBR

Receive Buffer Register (read only)

0x4070_0000

STTHR

Transmit Holding Register (write only)

0x4070_0004

STIER

Interrupt Enable Register (read/write)

0x4070_0008

STIIR

Interrupt ID Register (read only)

0x4070_0008

STFCR

FIFO Control Register (write only)

0x4070_000C

STLCR

Line Control Register (read/write)

0x4070_0010

STMCR

Modem Control Register (read/write)

0x4070_0014

STLSR

Line Status Register (read only)

0x4070_0018

STMSR

Reserved

0x4070_001C

STSPR

Scratch Pad Register (read/write)

0x4070_0020

STISR

Infrared Selection Register (read/write)

0x4070_0000

STDLL

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

0x4070_0004

STDLH

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

Table 2-8. System Architecture Register Address Summary (Sheet 7 of 12)

Unit

Address

Register Symbol

Register Description