UPD78F0138 NEC, UPD78F0138 Datasheet - Page 513

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

AC Characteristics
(1) Basic operation
Notes 1.
Instruction cycle (minimum
instruction execution time)
TI000, TI010, TI001
TI011
low-level width
TI50, TI51 input frequency
TI50, TI51 input high-level width,
low-level width
Interrupt input high-level width,
low-level width
Key return input low-level width
RESET low-level width
(T
Note 1
A
2.
= −40 to +125°C, 3.3 V ≤ V
input high-level width,
Parameter
µ
Selection of f
or PRM010, PRM011) of prescaler mode registers 00 and 01 (PRM00, PRM01). Note that when selecting
the TI000 or TI001 valid edge as the count clock, f
PD780133(A2), 780134(A2), 780136(A2), and 780138(A2) only.
Note 1
,
CHAPTER 31 ELECTRICAL SPECIFICATIONS ((A2) GRADE PRODUCTS)
sam
= f
T
t
t
f
t
t
t
t
t
t
XP
Symbol
TIH0
TIL0
TI5
TIH5
TIL5
INTH
INTL
KR
RSL
CY
, f
,
,
,
XP
DD
/4, f
= EV
Main
system
clock
operation
Subsystem clock operation
4.0 V ≤ V
3.3 V ≤ V
4.0 V ≤ V
3.3 V ≤ V
4.0 V ≤ V
3.3 V ≤ V
4.0 V ≤ V
3.3 V ≤ V
XP
/256, or f
DD
User’s Manual U16228EJ2V0UD
≤ 5.5 V, 3.3 V ≤ AV
DD
DD
DD
DD
DD
DD
DD
DD
X1 input
clock
Ring-OSC clock
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
XP
, f
XP
/16, f
Conditions
4.0 V ≤ V
3.3 V ≤ V
sam
XP
/64 is possible using bits 0 and 1 (PRM000, PRM001
= f
REF
XP.
≤ V
DD
DD
≤ 5.5 V
< 4.0 V
DD
, V
SS
= EV
SS
= AV
2/f
2/f
0.1
0.2
0.238
MIN.
4.04
59.6
59.6
114
100
100
0.4
10
sam
sam
1
Note 2
Note 2
SS
+
+
= 0 V)
TYP.
8.33
122
MAX.
16.67
8.38
125
16
16
5
MHz
MHz
Unit
µ
µ
µ
µ
µ
µ
ns
ns
µ
ns
ns
µ
s
s
s
s
s
s
s
s
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