NEC PD78F9488 User Manual
Page 357
CHAPTER 22 ELECTRICAL SPECIFICATIONS (
µ
PD789488, 78F9488, 789489, 78F9489)
User’s Manual U15331EJ4V1UD
357
Key Return Input Timing
t
KRL
KR0 to KR7
( PD789488, 78F9488) ,
KR00 to KR07, KR10 to KR17
( PD789489, 78F9489)
µ
µ
RESET Input Timing
RESET
t
RSL
Serial Transfer Timing
3-wire serial I/O mode:
Remark m = 1, 2, 4, 5
UART mode (external clock input):
t
KCY3
t
KL3
t
KH3
ASCK20
t
R
t
F
t
KCYm
t
KLm
t
KHm
SCK10, SCK20
t
SIKm
t
KSIm
t
KSOm
Input data
Output data
SI10, SI20
SO10, SO20