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Rainbow Electronics W90P710CDG User Manual

Page 543

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W90P710CD/W90P710CDG

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UART0 Control Registers Map

REGISTER ADDRESS

R/W

DESCRIPTION

RESET

VALUE

UART0_RBR

0xFFF8_0000 R

Receive Buffer Register (DLAB = 0)

Undefined

UART0_THR

0xFFF8_0000 W

Transmit Holding Register (DLAB = 0)

Undefined

UART0_IER

0xFFF8_0004 R/W Interrupt Enable Register (DLAB = 0)

0x0000_0000

UART0_DLL 0xFFF8_0000 R/W

Divisor Latch Register (LS)
(DLAB = 1)

0x0000_0000

UART0_DLM 0xFFF8_0004 R/W

Divisor Latch Register (MS)
(DLAB = 1)

0x0000_0000

UART0_IIR 0xFFF8_0008

R

Interrupt

Identification Register

0x8181_8181

UART0_FCR

0xFFF8_0008 W

FIFO Control Register

Undefined

UART0_LCR 0xFFF8_000C R/W

Line

Control Register

0x0000_0000

UART0_LSR 0xFFF8_0014 R

Line

Status Register

0x6060_6060

UART0_TOR

0xFFF8_001C R

Time Out Register

0x0000_0000


High Speed UART1 Control Registers Map

REGISTER ADDRESS R/W

DESCRIPTION

RESET

VALUE

UART1_RBR

0xFFF8_0100

R

Receive Buffer Register (DLAB = 0)

Undefined

UART1_THR

0xFFF8_0100

W

Transmit Holding Register (DLAB = 0)

Undefined

UART1_IER

0xFFF8_0104

R/W

Interrupt Enable Register (DLAB = 0)

0x0000_0000

UART1_DLL 0xFFF8_0100 R/W

Divisor Latch Register (LS)
(DLAB = 1)

0x0000_0000

UART1_DLM 0xFFF8_0104 R/W

Divisor Latch Register (MS)
(DLAB = 1)

0x0000_0000

UART1_IIR 0xFFF8_0108 R

Interrupt

Identification Register

0x8181_8181

UART1_FCR

0xFFF8_0108

W

FIFO Control Register

Undefined

UART1_LCR 0xFFF8_010C R/W

Line

Control Register

0x0000_0000

UART1_MCR 0xFFF8_0110 R/W

Modem

Control Register

0x0000_0000

UART1_LSR

0xFFF8_0114

R

Line Status Register

0x6060.6060

UART1_MSR 0xFFF8_0118 R

MODEM Status Register

0x0000_0000

UART1_TOR

0xFFF8_011C

R

Time Out Register

0x0000_0000

UART1_UBCR 0xFFF8_0120 R/W

UART1 Bluetooth Control Register

0x0000_0000