Fig. 25 Timing Of Serial I/O Data Transfer - Renesas 4513 User Manual

4500 series 4-bit single-chip microcomputer
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Master
S
OUT
S
IN
SST instruction
SCK
Slave
SST instruction
S
signal
RDY
S
OUT
S
IN
M
–M
: the contents of master serial I/O
0
7
Rising of SCK : serial input

Fig. 25 Timing of serial I/O data transfer

M
'
M
M
7
0
S
'
S
7
0
S
S
S
'
0
7
M
'
M
7
0
S
Falling of SCK : serial output
4513/4514 Group User's Manual
FUNCTION BLOCK OPERATIONS
M
M
M
1
2
3
4
S
S
S
1
2
3
S
S
S
1
2
3
4
M
M
M
1
2
3
–S
: the contents of slave serial I/O register
0
7
HARDWARE
M
M
M
5
6
7
S
S
S
S
4
5
6
S
S
S
5
6
7
M
M
M
M
4
5
6
7
7
1-39

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