UPD789304 Datasheet, PDF (49/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD789304, 789306, 789314, 789316
AC Timing Test Points (excluding X1 (CL1) and XT1 inputs)
0.8VDD
0.2VDD
Test points
0.8VDD
0.2VDD
Clock Timing
X1 (CL1) input
XT1 input
Remark fCLK: fX or fCC
TMI Timing
TMI40 input
1/fCLK
tXL
tXH
1/fXT
tXTL
tXTH
VIH4 (MIN.)
VIL4 (MAX.)
VIH5 (MIN.)
VIL5 (MAX.)
1/fTMI
tTIL
tTIH
Interrupt Input Timing
INTP0 to INTP3
tINTL
tINTH
Key Return Input Timing
tKRL
KR00 to KR03
Data Sheet U14384EJ1V0DS
49