NEC PD789488 User Manual page 357

Pd789489 subseries 8-bit single-chip microcontrollers
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CHAPTER 22 ELECTRICAL SPECIFICATIONS (
Key Return Input Timing
KR0 to KR7
µ
( PD789488, 78F9488) ,
KR00 to KR07, KR10 to KR17
µ
( PD789489, 78F9489)
RESET Input Timing
Serial Transfer Timing
3-wire serial I/O mode:
SCK10, SCK20
SI10, SI20
SO10, SO20
Remark
m = 1, 2, 4, 5
UART mode (external clock input):
ASCK20
RESET
t
t
KSOm
t
KL3
t
User's Manual U15331EJ4V1UD
µ
PD789488, 78F9488, 789489, 78F9489)
t
KRL
t
RSL
t
KCYm
t
KLm
KHm
t
t
SIKm
KSIm
Input data
Output data
t
KCY3
t
KH3
R
t
F
357

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