W90P710_05 Datasheet, PDF (342/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
Continued.
REGISTER
HSUART_IIR
OFFSET R/W
DESCRIPTION
0x08 R Interrupt Identification Register
RESET VALUE
0x8181_8181
HSUART_FCR
0x08 W FIFO Control Register
Undefined
HSUART_LCR
0x0C R/W Line Control Register
0x0000_0000
HSUART_MCR
0x10 R/W Modem Control Register (Optional)
0x0000_0000
HSUART_LSR
0x14 _{R Line Status Register}
0x6060_6060
HSUART_MSR
0x18 _{R MODEM Status Register (Optional)}
0x0000_0000
HSUART_TOR
0x1C _{R/W Time Out Register}
0x0000_0000
Note: Real register address = 0xFFF8_0000+ (UART number – 1) * (0x0100) + offset
NOTE: All of these registers are implemented 8-bit in UART design and it will be repeated 4 times
before send to APB bus. For example, when ARM CPU read register UART1_BRR, ARM CPU will get
UART1_RBR = {RBR[7:0], _RBR[7:0], RBR[7:0], RBR[7:0]}.
HSUART Receive Buffer Register (HSUART_RBR)
REGISTER OFFSET R/W
HSUART_RBR 0x00 R
DESCRIPTION
Receive Buffer Register (DLAB = 0)
RESET VALUE
Undefined
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
8-bit Received Data
BITS
[7:0]
8-bit Received Data
DESCRIPTIONS
By reading this register, the UART will return an 8-bit data
received from SIN pin (LSB first).
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