UPD753012GC NEC, UPD753012GC Datasheet - Page 61

• Manufacturer Part Number: UPD753012GC
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

AC Characteristics (T
Notes 1.
CPU clock cycle time
(minimum instruction
execution time = 1
machine cycle)
TI0, TI1, TI2 input frequency
TI0, TI1, TI2 high-, low-level
widths
Interrupt input high-,
low-level widths
RESET low-level width
2.
Parameter
The cycle time of the CPU clock ( ) is
determined by the oscillation frequency
of the connected oscillator (and exter-
nal clock), the system clock control
register (SCC), and processor clock
control register (PCC).
The figure on the right shows the sup-
ply voltage V
acteristics when the device operates
with the main system clock.
2t
of the interrupt mode register (IM0).
CY
or 128/f
Note 1
A
X
DD
depending on the setting
= –40 to +85 ˚C, V
vs. cycle time t
t
f
t
t
t
CY
TI
TIH
INTH
RSL
Symbol
, t
, t
TIL
INTL
Operates
with main
system
clock
CY
Operates with subsystem clock
V
V
INT0
INT1, 2, 4
KR0-7
DD
DD
char-
DD
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 2.2 to 5.5 V)
When using
external
clock
When using
ceramic or
crystal
0.95
0.85
0.67
Conditions
0.5
70
64
60
6
5
4
3
2
1
0
Remark The shaded portion is guaranteed
V
V
V
IM02 = 0
IM02 = 1
DD
DD
DD
= 2.7 to 5.5 V
= 2.7 to 5.5 V
= 1.8 to 5.5 V
1
PD753012, 753016, 753017
1.8 2.2 2.7
only when using the external clock.
2
Supply voltage V
Note 2
Operation guaranteed range
MIN.
0.67
0.85
0.67
0.95
0.48
114
t
(with main system clock)
1.8
3
10
10
10
10
CY
0
0
vs V
DD
4
TYP.
122
DD
[V]
5
MAX.
125
275
5.5
64
64
64
64
1
6
MHz
Unit
kHz
s
s
s
s
s
s
s
s
s
s
s
s
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