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SBI0CR2
Bit symbol
(1243H)
Read/Write
After reset
Read-
Function
modify-write
instruction is
prohibited.
Note 1: Set the SBI0CR1<BC2:0> to "000" before switching
to a clocked-synchronous 8-bit SIO mode.
Note 2: Please always write "00" to SBICR2<1:0>.
SBI0SR
Bit symbol
(1243H)
Read/Write
After reset
Function
SBI0BR0
Bit symbol
(1244H)
Read/Write
After reset
Read-
modify-write
Function
Always write
"0".
instruction is
prohibited.
Note:
Clocked-syncronous mode cannot operate in IDEL2 mode.
SBI0BR1
Bit symbol
(1245H)
Read/Write
After reset
Read-
Internal
Function
modify-write
clock
instruction is
0: Stop
prohibited.
1: Operate
Serial Bus Interface 0 Control Register 2
7
6
5
Serial Bus Interface 0 Status Register
7
6
5
Serial transfer operating status monitor Shift operation status monitor
0
1
Serial Bus Interface 0 Baud Rate Register 0
7
6
5
−
−
W
R/W
0
0
Always
write "0".
Serial Bus Interface 0 Baud Rate Register 1
7
6
−
P4EN
W
0
0
Always write
"0".
Figure 3.10.21 Register for the SIO Mode
92CM22-191
4
3
SBIM1
0
Serial bus interface
operation mode selection
00: Port mode
01: SIO mode
2
10: I
C bus mode
11: (Reserved)
Serial bus interface operation mode selection
00
Port mode (Serial bus interface output disabled)
01
Clocked-synchronous 8-bit SIO mode
2
10
I
C bus mode
11
(Reserved)
4
3
SIOF
0
Serial
transfer
operation
status
monitor
Transfer terminated
Transfer in progress
4
3
5
4
3
TMP92CM22
2
1
−
SBIM0
W
0
0
(Note 2)
2
1
SEF
R
0
Shift
operation
status
monitor
0
Shift operation terminated
1
Shift operation in progress
2
1
2
1
Baud rate clock control
0
Stop
1
Operate
2007-02-16
0
−
0
(Note 2)
0
0
0
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