4513_03 Datasheet, PDF (146/210 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCOMPUTER

Master
SOUT
SIN
SST instruction
APPLICATION
2.4 Serial I/O
M7’
S7’
M0
M1
M2
M3
M4
M5
M6
M7
S0
S1
S2
S3
S4
S5
S6 S7
SCK
Slave
SST instruction
Control signal
SOUT
SIN
S7’
M7’
S0
S1
S2
S3
S4
S5
S6
S7
M0
M1
M2
M3
M4
M5
M6 M7
M0–M7: the contents of master serial I/O register
S0–S7: the contents of slave serial I/O register
Rising of SCK: serial input
Falling of SCK: serial output
M0’–M7’: previous MSB contents of master and slave
Fig. 2.4.4 Serial I/O transfer timing
4513/4514 Group User’s Manual
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