參數(shù)資料
型號: UPD75312BGK
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 51/77頁
文件大?。?/td> 587K
代理商: UPD75312BGK
51
μ
PD75312B, 75316B
AC CHARACTERISTICS (Ta = –40 to +85
°
C , V
DD
= 2.7 to 6.0 V )
Operation with main
system clock
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
Operation with
subsystem clock
t
CY
f
TI
TI0 input frequency
V
DD
= 4.5 to 6.0 V
TI0 input high- and low-
level widths
t
TIH
,
t
TIL
t
INTH
,
t
INTL
Interrupt input high- and
low-level widths
INT0
INT1, 2, 4
KR0–7
RESET low-level width
t
RSL
V
DD
= 4.5 to 6.0 V
V
DD
= 4.5 to 6.0 V
0.95
64
μ
s
3.8
64
μ
s
114
122
125
μ
s
0
1
MHZ
0
275
kHz
0.48
μ
s
1.8
μ
s
*2
μ
s
10
μ
s
10
μ
s
10
μ
s
C
C
μ
s
* 1.
CPU clock (
Φ
) cycle time is determined by oscilla-
tion frequency of the connected resonator, system
clock control register (SCC) and processor clock
control register (PCC).
Characteristics for supply voltage V
DD
vs. Cycle
time t
CY
in main system clock operation is shown
below.
It becomes 2t
CY
or 128/f
X
by interrupt mode register
(IM0) setting.
2.
CPU clock cycle time
(minimum instruction
execution time = one
machine cycle)
*1
70
64
60
6
5
4
3
2
1
0.5
0
1
2
3
4
5
6
t
CY
VS
V
DD
(Main System Clock in Operation)
Supply Voltage V
DD
[V]
Operation guarantee range
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