Rainbow Electronics W90N740 User Manual
Page 217
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