upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 178

• Manufacturer Part Number: upd75238
• Description: 4 Bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

178
Serial Transfer Timing
Three-wire serial I/O mode:
Two-wire serial I/O mode:
SB0 and SB1
SCK
SCK
SO
SI
t
KSO2
t
KSO1
t
KL2
t
SIK2
t
t
KCY2
KL1
t
KH2
t
t
KSI2
SIK1
Input data
t
KCY1
Output data
t
KSI1
t
KH1
PD75238