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14.3.1
Serial control register 0 (SCR0)
Serial control register 0 (SCR0) is used to set the parity bit, select the stop bit length
and data length, select the frame data format in operation mode 1, clear the reception
error flag, and to enable/disable transmission and reception.
I Serial control register (SCR0)
15
13
14
R/W
R/W
R/W
R/W
: Read/Write
W
: Write only
: Reset value
Figure 14.3-2 Serial control register (SCR0)
12
11
10
9
8
R/W
R/W
W
R/W
R/W
bit8
TXE
bit9
RXE
bit10
REC
bit11
A/D
bit12
CL
bit13
SBL
bit14
bit15
PEN
Reset value
00000100
B
Transmission operating enable bit
Transmission operating disabled
0
1
Transmission operating enabled
Reception operating enable bit
0
Reception operating disabled
1
Reception operating enabled
Reception error flag clear bit
0
Clear FRE, ORE and PE flag
1
No effection
Address/data select bit
Data frame
0
1
Address frame
Data length select bit
7 bits
0
1
8 bits
Stop bit length select bit
1 bit length
0
1
2 bit length
Parity select bit
P
Only valid with parity (PEN=1)
Even parity
0
1
Odd parity
Parity append enable bit
0
Without parity
1
With parity
CHAPTER 14 UART0
389
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