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參數資料
| 型號： | LC877424A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 8 Bit Single Chip Microcontroller Incorporating 48K/40K/32K/24K Byte ROM and 1536 byte RAM on Chip |
| 中文描述： | 8位單片機微控制器納入48K/40K/32K/24K字節(jié)ROM和1536字節(jié)的片上內存 |
| 文件頁數： | 11/22頁 |
| 文件大?。?/td> | 342K |
| 代理商： | LC877424A |
LC877448A/40A/32A/24A
No.7776-11/22
Recommended Operating Range
/ Ta=-30
°
C to +70
°
C, VSS1=VSS2=VSS3=0V
Parameter
Symbol
Pins
Conditions
V
DD [V]
min
typ
max
unit
VDD1
VDD2
VHD
0.294
μ
s
≤
tCYC
≤
200
μ
s
4.5
6.0
Operating supply
voltage range
VDD1=VDD2=VDD3
0.735
μ
s
≤
tCYC
≤
200
μ
s
2.5
6.0
Supply voltage
range in Hold mode
VDD1
Keep RAM and register
data in HOLD mode
2.0
6.0
VIH1
Port 0, 3, 8
Port A, B, C, D, E, F, L
Output disable
2.5 to 6.0
0.3VDD
+0.7
VDD
VIH2
Port 1
Port 71, 72, 73
P70 port input / interrupt
Output disable
2.5 to 6.0
0.3VDD
+0.7
VDD
VIH3
Port 87 small signal
input
Output disable
2.5 to 6.0
0.75VD
D
VDD
VIH4
Port 70
Watchdog timer
Output disable
2.5 to 6.0
0.9VDD
VDD
Input high voltage
VIH5
XT1, XT2, CF1,
RES
2.5 to 6.0
0.75VD
D
VDD
VIL1
Port 0, 3, 8
Port A, B, C, D, E, F, L
Output disable
2.5 to 6.0
VSS
0.15VD
D
+0.4
VIL2
Port 1
Port 71, 72, 73
P70 port input / interrupt
Output disable
2.5 to 6.0
VSS
0.1VDD
+0.4
VIL3
Port 87 small signal
input
Output disable
2.5 to 6.0
VSS
0.25VD
D
VIL4
Port 70
Watchdog timer
Output disable
2.5 to 6.0
VSS
0.8VDD
-1.0
Input low voltage
VIL5
XT1, XT2, CF1,
RES
2.5 to 6.0
VSS
0.25VD
D
V
4.5 to 6.0
0.294
200
Operation
cycle time
tCYC
2.5 to 6.0
0.735
200
μ
s
4.5 to 6.0
0.1
10
CF2 open
system clock divider :
1/1
external clock DUTY =
50
±
5%
CF2 opent
system clock divider :
1/2
2.5 to 6.0
0.1
4
4.5 to 6.0
0.2
20
External system
clock frequency
FEXCF1
CF1
2.5 to 6.0
0.2
8
FmCF1
CF1, CF2
10MHz ceramic
resonator oscillation
Refer to figure 1
4.5 to 6.0
10
FmCF2
CF1, CF2
4MHz ceramic resonator
oscillation
Refer to figure 1
2.5 to 6.0
4
FmRC
RC oscillation
2.5 to 6.0
0.3
1.0
2.0
FmMRC
Frequency variable RC
oscillation source
oscillation
2.5 to 6.0
50
MHz
Oscillation
frequency range
(Note 1)
FsX’tal
XT1, XT2
32.768kHz crystal
resonator oscillation
Refer to figure 2
2.5 to 6.0
32.768
kHz
(Note 1) The port value of oscillation circuit is shown in table 1 and table 2.
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