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CHAPTER 14 UART
14.2
UART Registers
This section describes the configuration and functions of the registers used by the
UART.
■ Registers
Figure 14.2-1 shows the registers used by the UART.
15
MD1 MD0
PEN
258
Figure 14.2-1 UART Registers
SCR
SSR
8bit
7
6
5
4
D7
D6
D5
D4
7
6
5
4
PE
ORE FRE RDRF TDRE BDS RIE
7
6
5
4
-
-
7
6
5
4
P
SBL
CL
8
7
SMR
SIDR(R)/SODR(W)
8 bit
3
2
1
D3
D2
D1
D0
3
2
1
TIE
3
2
1
CS0
-
-
3
2
1
A/D
REC
RXE TXE
0
(R/W)
(R/W)
0
Serial input register
Serial output register
(SIDR /SODR)
0
Serial status register
(SSR)
0
Serial mode register
-
(SMR)
0
Serial control register
(SCR)
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