W90N740CDG Nuvoton Technology Corporation of America, W90N740CDG Datasheet - Page 143

• Manufacturer Part Number: W90N740CDG
• Description: IC MCU ARM7 TDMI 176-LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W90r

Specifications of W90N740CDG

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 80MHz
• Connectivity: EBI/EMI, Ethernet, UART/USART, USB
• Peripherals: DMA, POR, WDT
• Number Of I /o: 21
• Program Memory Type: ROMless
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

7.9.1
R: read only, W: write only, R/W: both read and write, C: Only value 0 can be written
Receive Buffer Register (RBR)
8-bit Received Data [7:0]
By reading this register, the UART will return an 8-bit data received from SIN pin (LSB first).
REGISTER
REGISTER
RBR
MCR
RBR
DLM
MSR
THR
FCR
LCR
TOR
LSR
DLL
IER
IIR
7
UART Control Registers Map
0xFFF8.0000
0xFFF8.000C
0xFFF8.001C
0xFFF8.0000
0xFFF8.0000
0xFFF8.0004
0xFFF8.0000
0xFFF8.0004
0xFFF8.0008
0xFFF8.0008
0xFFF8.0010
0xFFF8.0014
0xFFF8.0018
ADDRESS
ADDRESS
6
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
5
R
R
R
R
R
Receive Buffer Register (DLAB = 0)
Transmit Holding Register (DLAB = 0)
Interrupt Enable Register (DLAB = 0)
Divisor Latch Register (LS)
(DLAB = 1)
Divisor Latch Register (MS)
(DLAB = 1)
Interrupt Identification Register
FIFO Control Register
Line Control Register
Modem Control Register
Line Status Register
MODEM Status Register
Time Out Register
Receive Buffer Register (DLAB = 0)
8-bit Received Data
4
- 140 -
W90N740CD/W90N740CDG
DESCRIPTION
DESCRIPTION
3
2
1
RESET VALUE
RESET VALUE
0x0000.0000
0x0000.0000
0x0000.0000
0x8181.8181
0x0000.0000
0x0000.0000
0x6060.6060
0x0000.0000
0x0000.0000
Undefined
Undefined
Undefined
Undefined
0