UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 179

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UPD75238GJ

Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
Serial Transfer Timing
Bus release signal transfer:
Command signal transfer:
Interrupt Input Timing
RESET Input Timing
SB0 and SB1
INT0, INT1, INT2
and INT4
SB0 and SB1
RESET
SCK
SCK
t
KSB
t
KSB
t
SBL
t
t
INTL
RSL
t
SBK
t
SBH
t
t
KL3
KL4
t
t
t
KCY3
KCY4
SBK
t
INTH
t
t
KH3
KH4
t
t
KSO3
KSO4
t
t
KL3
KL4
t
t
KCY3
KCY4
t
t
SIK3
SIK4
t
t
KH3
KH4
t
t
KSO3
KSO4
t
t
KSI3
KSI4
t
t
SIK3
SIK4
PD75238
t
t
KSI3
KSI4
179

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