參數(shù)資料
型號: μPD78P054
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位單片機微控制器
文件頁數(shù): 39/86頁
文件大?。?/td> 502K
代理商: ΜPD78P054
39
μ
PD78P054, 78P058
AC CHARACTERISTICS
(1) Basic Operation (T
A
= –40 to +85
°
C, V
DD
= 2.0 to 6.0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Cycle time
T
CY
Operating on main system clock
V
DD
= 2.7 to 6.0 V
0.8
64
μ
s
(minimum instruction
(f
XX
= 2.5 MHz)
Note 1
2.2
64
μ
s
execution time)
Operating on main system clock
4.5 V
V
DD
6.0 V
0.4
32
μ
s
(f
XX
= 5.0 MHz)
Note 2
2.7 V
V
DD
< 4.5 V
0.8
32
μ
s
Operating on subsystem clock
40
Note 3
122
125
μ
s
TI01, TI1, TI2 input
f
TI
V
DD
= 4.5 to 6.0 V
0
4
MHz
frequency
0
275
kHz
TI00 input high-/low-
level width
t
TIH
,
t
TIL
8/f
sam
Note 4
μ
s
TI01, TI1, TI2, input
t
TIH
,
V
DD
= 4.5 to 6.0 V
100
ns
high-/low-level width
t
TIL
1.8
μ
s
Interrupt request input
t
INTH
,
INTP0
8/f
sam
Note 4
μ
s
high-/low-level width
t
INTL
INTP1 to INTP6, KR0 to KR7
V
DD
= 2.7 to 6.0 V
10
μ
s
20
μ
s
RESET low-level
t
RSL
V
DD
= 2.7 to 6.0 V
10
μ
s
width
20
μ
s
Notes 1.
Main system clock f
XX
= f
X
/2 operation (when oscillation mode selection register (OSMS) is set to 00H).
2.
Main system clock f
XX
= f
X
operation (when OSMS is set to 01H).
3.
The value when the external clock is used. When the crystal resonator is used, the value is 114
μ
s (MIN.).
4.
f
sam
can be selected as f
XX
/2
N
, f
XX
/32, f
XX
/64, or f
XX
/128 (N = 0 to 4) by bits 0 and 1 (SCS0 and SCS1)
of the sampling clock selection register (SCS).
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