參數(shù)資料
型號(hào): μPD780208
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁(yè)數(shù): 47/78頁(yè)
文件大小: 406K
代理商: ΜPD780208
4 7
m
PD780204, 780205, 780206, 780208
AC CHARACTERISTICS
(1) Basic Operation (T
A
= –40 to +85 °C, V
DD
= 2.7 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Cycle time (minimum
instruction execution
time)
T
CY
Operated with main V
DD
= 4.5 to 5.5 V
0.4
32
m
s
system clock
0.8
32
m
s
Operated with subsystem clock
40
Note 1
122
125
m
s
TI1, TI2 input
frequency
f
TI
V
DD
= 4.5 to 5.5 V
0
2
MHz
0
138
kHz
TI1, TI2 input high,
low-level width
f
TIH
V
DD
= 4.5 to 5.5 V
250
ns
f
TIL
3.6
m
s
Interrupt input high,
low-level width
f
INTH
INTP0
8/f
sam
Note 2
m
s
f
INTL
INTP1 to INTP3
10
m
s
RESET low-level width
t
RSL
10
m
s
Notes 1.
Value when external clock input is used as subsystem clock. When crystal is used, the value becomes 114
m
s.
2.
Selection of f
sam
= fx/2
N+1
, fx/64, fx/128 is available (N = 0 to 4) by bits 0 and 1 (SCS0, SCS1) of sampling
clock select register (SCS).
6
5
3
1
60
30
10
2.0
Power supply voltage V
DD
[V]
C
C
4
2
1.0
0.5
0.4
T
CY
vs. V
DD
(with main system clock operated)
Operation guarantee
range
0
μ
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