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7
SBI0CR2
Bit symbol
(0243H)
Read/Write
After reset
Prohibit
Function
read-
modify-
write
Note 1: Set the SBI0CR1<BC2:0> 000 before switching to a clocked synchronous 8-bit SIO mode.
Note 2: Please always write SBICR2<1:0> to "00".
7
SBI0SR
Bit symbol
(0243H)
Read/Write
After reset
Function
Serial Bus Interface Control Register 2
6
5
4
Serial Bus Interface Status Register
6
5
4
Figure 3.10.21 Registers for the SIO Mode
91C824-173
3
2
1
−
SBIM1
SBIM0
W
W
0
0
0
Serial bus interface
(Note 2)
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)
3
2
1
SIOF
SEF
R
0
0
Serial transfer
Shift operation
operation
status monitor
status monitor
Shift operation status monitor
0
Shift operation terminated
1
Shift operation in progress
Serial transfer operating status monitor
0
Transfer terminated
1
Transfer in progress
TMP91C824
0
−
W
0
(Note 2)
0
2008-02-20
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