M34512M2 Datasheet, PDF (30/80 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

PRELIMINARY _{NSocothimcaene:gpTeah.riasmisetnrioct} ^{laimfiintsalasrepescuibfijceacttioton.}
Master
SOUT
SIN
SST instruction
M7’
S7’
MITSUBISHI MICROCOMPUTERS
4512 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
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 register
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
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