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Rainbow Electronics W90N740 User Manual

Page 217

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W90N740

Publication Release Date: November 26, 2004

- 213 -

Revision A4

UART Control Registers Map

REGISTER ADDRESS R/W

DESCRIPTION

RESET

VALUE

RBR

0xFFF8.0000

R

Receive Buffer Register (DLAB = 0)

Undefined

THR

0xFFF8.0000

W

Transmit Holding Register (DLAB = 0)

Undefined

IER 0xFFF8.0004

R/W

Interrupt

Enable Register (DLAB = 0)

0x0000.0000

DLL 0xFFF8.0000

R/W

Divisor Latch Register (LS)
(DLAB = 1)

0x0000.0000

DLM 0xFFF8.0004

R/W

Divisor Latch Register (MS)
(DLAB = 1)

0x0000.0000

IIR 0xFFF8.0008

R

Interrupt

Identification Register

0x8181.8181

FCR 0xFFF8.0008

W

FIFO

Control Register

Undefined

LCR 0xFFF8.000C

R/W

Line

Control Register

0x0000.0000

MCR 0xFFF8.0010

R/W

Modem

Control Register

0x0000.0000

LSR 0xFFF8.0014

R

Line

Status Register

0x6060.6060

MSR 0xFFF8.0018

R

MODEM

Status Register

0x0000.0000

TOR

0xFFF8.001C

R

Time Out Register

0x0000.0000

Timer Control Registers Map

REGISTER ADDRESS R/W

DESCRIPTION

RESET

VALUE

TCR0 0xFFF8.1000

R/W

Timer

Control Register 0

0x0000.0005

TCR1 0xFFF8.1004

R/W

Timer

Control Register 1

0x0000.0005

TICR0

0xFFF8.1008 R/W

Timer Initial Control Register 0

0x0000.00FF

TICR1

0xFFF8.100C R/W

Timer Initial Control Register 1

0x0000.00FF

TDR0

0xFFF8.1010

R

Timer Data Register 0

0x0000.0000

TDR1

0xFFF8.1014

R

Timer Data Register 1

0x0000.0000

TISR

0xFFF8.1018 R/C

Timer Interrupt Status Register

0x0000.0000

WTCR

0xFFF8.101C R/W

Watchdog Timer Control Register

0x0000.0000

GPIO Controller Registers Map

REGISTER ADDRESS

R/W

DESCRIPTION

RESET

VALUE

GPIO_CFG

0xFFF8.3000 R/W GPIO Configuration Register

0x0000.0000

GPIO_DIR 0xFFF8.3004

R/W

GPIO

Direction Register

0x0000.0000

GPIO_DATAOUT 0xFFF8.3008 R/W

GPIO

Data Output Register

0x0000.0000

GPIO_DATAIN

0xFFF8.300C

R

GPIO Data Input Register

Undefined

DEBNCE_CTRL 0xFFF8.3010 R/W

De-bounce Control Register

0x0000.0000