Rainbow Electronics W90P710CDG User Manual
Page 336
W90P710CD/W90P710CDG
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6.12.4 UART3
UART3 is a general UART block. It has not Modem I/O signals.
More detail general UART function description, please refer to next section 7.12.5 General UART
controller.
Table 6.12.4.1 UART3 register map
REGISTER
ADDRESS
R/W
OTHER CONDITION
RESET VALUE
UART3_RBR 0xFFF8_0300 R DLAB=0
Undefined
UART3_THR 0xFFF8_0300 W DLAB=0
Undefined
UART3_IER 0xFFF8_0304 R/W DLAB=0 0x0000_0000
UART3_DLL 0xFFF8_0300 R/W DLAB=1 0x0000_0000
UART3_DLM 0xFFF8_0304 R/W DLAB=1
0x0000_0000
UART3_IIR 0xFFF8_0308 R
0x8181_8181
UART3_FCR 0xFFF8_0308 W
Undefined
UART3_LCR 0xFFF8_030c R/W
0x0000_0000
UART3_MCR
0xFFF8_0310
R/W
0x0000_0000
UART3_LSR 0xFFF8_0314 R
0x6060_6060
UART3_MSR
0xFFF8_0318
R
0x0000_0000
UART3_TOR 0xFFF8_031c R/W
0x0000_0000
UART3 Modem Control Register (UART3_MCR)
REGISTER ADDRESS R/W
DESCRIPTION
RESET
VALUE
UART3_MCR
0xFFF8_0310
R/W UART 3 Modem Control Register
0x0000_0000
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
Reserved Reserved Reserved
LBME
Reserved
Reserved
Reserved
DTR#