參數資料
型號: LC87F57C8A
廠商: Sanyo Electric Co.,Ltd.
英文描述: 8 BIT SINGLE CHIP MICROCONTROLLER
中文描述: 8位單片機
文件頁數: 14/28頁
文件大?。?/td> 336K
代理商: LC87F57C8A
LC87F57C8A
14/27
Ver.1.00
2. Recommended operating range
/ Ta=-20°C to +70°C, VSS1=VSS2=VSS3=0V
Limits
min.
4.5
Parameter
Symbol
Pins
Conditions
VDD[V]
typ.
max.
5.5
unit
V
0.294μs
t
CYC
200μs
0.588μs
t
CYC
200μs
Except for on-board
rewriting
RAM and register data are
kept in HOLD mode.
Operating
supply voltage
range
VDD(1)
VDD1=VDD2
=VDD3
2.5
5.5
HOLD voltage VHD
VDD1=VDD2
=VDD3
Ports 1, 2
P71-P73
P70 port input
/interrupt
Ports 0, 8
Ports A, B, C
Port 70 Watchdog
timer
XT1, XT2, CF1,
RES
Ports 1, 2
P71-P73
P70 port input
/interrupt
Ports 0, 8
Ports A, B, C
Port 70 Watchdog
Timer
XT1, XT2, CF1,
RES
2.0
5.5
VIH(1)
2.5 - 5.5
0.3VDD
+0.7
VDD
VIH(2)
2.5 - 5.5
0.3VDD
+0.7
VDD
VDD
VDD
VIH(3)
2.5 - 5.5 0.9VDD
Input high
voltage
VIH(4)
2.5 - 5.5
0.75VDD
VIL(1)
2.5 - 5.5
VSS
0.1VDD
+0.4
VIL(2)
2.5 - 5.5
VSS
0.15VDD
+0.4
0.8VDD
-1.0
0.25VDD
VIL(5)
2.5 - 5.5
VSS
Input low
voltage
VIL(6)
2.5 - 5.5
VSS
Except for on-board
rewriting
Leave CF2 pin open
System clock divider
set to 1/1
External clock
DUTY=50±5%
Leave CF2 pin open
System clock divider
set to 1/1
External clock
DUTY=50±5%
Leave CF2 pin open
System clock divider
set to 1/2
Leave CF2 pin open
System clock divider
set to 1/2
4.5 - 5.5
2.5 - 5.5
0.294
0.588
200
200
Operation
cycle time
t
CYC
μs
4.5 - 5.5
0.1
10
2.5 - 5.5
0.1
5
4.5 - 5.5
0.2
20.4
External
system clock
frequency
FEXCF(1)
CF1
2.5 - 5.5
0.1
10
MHz
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