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Serial interface
mode register
SB
SIO0MS SIO0TX P0ABIO2 P0ABIO3 P0BBIO0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
1
0
0
0
1
0
0
0
1
1
0
0
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
1
0
1
1
1
Remark
: Don't care
Table 16-3 CH1 Operation Modes
Port 0A I/O
specification
SI pin
0
0
SD-IN
0
1
SD-IN
1
0
OUT-PORT IN-PORT
1
1
OUT-PORT IN-PORT OUT-PORT 2OUT-PORT+1IN-PORT
0
0
SD-IN
0
1
SD-IN
1
0
OUT-PORT OUT-PORT IN-PORT
1
1
OUT-PORT OUT-PORT OUT-PORT 3OUT-PORT
0
SD-IN
1
OUT-PORT
0
SD-IN
1
OUT-PORT OUT-PORT SD-OUT
0
0
SD-IN
0
1
SD-IN
1
0
OUT-PORT CK-OUT
1
1
OUT-PORT CK-OUT OUT-PORT CLK-OUT, 2OUT-PORT
0
SD-IN
1
OUT-PORT CK-OUT
–
SCK pin
SO pin
CK-IN
IN-PORT
Serial I/O-SI, EXT-CLK, 1IN-PORT
CK-IN
OUT-PORT Serial I/O-SI, EXT-CLK, 1OUT-PORT
IN-PORT
1OUT-PORT+2IN-PORT
OUT-PORT IN-PORT
Serial I/O-SI, INT-CLK (SOFT-CLK),
1IN-PORT
OUT-PORT OUT-PORT Serial I/O-SI, INT-CLK (SOFT-CLK),
1IN-PORT
2OUT-PORT + 1IN-PORT
CK-IN
SD-OUT
Serial I/O-SI/SO, EXT-CLK
CK-IN
SD-OUT
Serial I/O-SO, EXT-CLK, 1OUT-
PORT
OUT-PORT SD-OUT
Serial I/O-SI/SO, INT-CLK (SOFT-
CLK)
Serial I/O-SO, INT-CLK (SOFT-CLK),
1OUT-PORT
CK-OUT
IN-PORT
Serial I/O-SI, INT-CLK, 1IN-PORT
CK-OUT OUT-PORT Serial I/O-SI, INT-CLK,1OUT-PORT
IN-PORT
CLK-OUT,1OUT-PORT, 1IN-PORT
CK-OUT
SD-OUT
Serial I/O-SI/SO, INT-CLK
SD-OUT
Serial I/O-SO, INT-CLK, 1OUT-PORT
–
–
Not to be set
PD17062
Operation mode
203
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