4513_03 Datasheet, PDF (52/210 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCOMPUTER

HARDWARE
FUNCTION BLOCK OPERATIONS
Master
SOUT
SIN
SST instruction
M7’
S7’
M0
M1
M2
M3
M4
M5
M6
M7
S0
S1
S2
S3
S4
S5
S6 S7
SCK
Slave
SST instruction
SRDY 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 S0–S7 : the contents of slave serial I/O register
Rising of SCK : serial input Falling of SCK : serial output
Fig. 25 Timing of serial I/O data transfer
4513/4514 Group User’s Manual
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