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LC87F2J32A Datasheet, PDF (14/30 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller
LC87F2J32A
Allowable Operating Conditions at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Symbol
Operating
supply voltage
(Note 2-1)
Memory
sustaining
supply voltage
VDD(1)
VDD(2)
VDD(3)
VHD
Pin/Remarks
Conditions
VDD1=VDD2=VDD3
VDD1=VDD2=VDD3
0.245μs≤tCYC≤200μs
0.294μs≤tCYC≤200μs
0.735μs≤tCYC≤200μs
RAM and register contents
sustained in HOLD mode.
VDD[V]
Specification
min
typ
max
unit
2.7
5.5
2.2
5.5
1.8
5.5
1.6
5.5
High level
input voltage
VIH(1)
VIH(2)
VIH(3)
VIH(4)
Ports 1, 2, 3,
P71 to P73
P70 port input/
interrupt side
PWM0, PWM1
Port 0
Port 70 watchdog
timer side
XT1, XT2, CF1, CF2,
RES
1.8 to 5.5
0.3VDD
+0.7
1.8 to 5.5
1.8 to 5.5
0.3VDD
+0.7
0.9VDD
1.8 to 5.5 0.75VDD
VDD
VDD
VDD
V
VDD
Low level
input voltage
VIL(1)
VIL(2)
Ports 1, 2, 3,
P71 to P73
P70 port input/
interrupt side
PWM0, PWM1
Port 0
4.0 to 5.5
1.8 to 4.0
4.0 to 5.5
VSS
VSS
VSS
0.1VDD
+0.4
0.2VDD
0.15VDD
+0.4
VIL(3)
VIL(4)
Port 70 watchdog
timer side
XT1, XT2, CF1, CF2,
RES
1.8 to 4.0
1.8 to 5.5
1.8 to 5.5
VSS
VSS
VSS
0.2VDD
0.8VDD
-1.0
0.25VDD
Instruction
cycle time
(Note 2-1)
tCYC
(Note 2-2)
2.7 to 5.5
2.2 to 5.5
1.8 to 5.5
0.245
0.294
0.735
200
200 μs
200
External
FEXCF
CF1
• CF2 pin open
2.7 to 5.5
0.1
12
system clock
• System clock frequency division
frequency
ratio=1/1
• External system clock duty=
1.8 to 5.5
0.1
4
50±5%
• CF2 pin open
3.0 to 5.5
0.2
MHz
24.4
• System clock frequency division
ratio=1/2
• External system clock duty=
2.0 to 5.5
0.2
8
50±5%
Oscillation
FmCF(1)
CF1, CF2
12MHz ceramic oscillation
2.7 to 5.5
12
frequency
See Fig. 1.
range
FmCF(2)
CF1, CF2
10MHz ceramic oscillation
2.2 to 5.5
10
(Note 2-3)
See Fig. 1.
FmCF(3)
CF1, CF2
4MHz ceramic oscillation.
CF oscillation normal amplifier size
selected.
1.8 to 5.5
4
MHz
See Fig. 1. CFLAMP=0)
4MHz ceramic oscillation.
CF oscillation low amplifier size
2.2 to 5.5
4
selected. (CFLAMP=1)
See Fig. 1.
Note 2-1: VDD must be held greater than or equal to 2.2V in the flash ROM onboard programming mode.
Note 2-2: Relationship between tCYC and oscillation frequency is 3/FmCF at a division ratio of 1/1 and 6/FmCF at
a division ratio of 1/2.
Continued on next page.
No.A1384-14/30