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LC87F7J32A Datasheet, PDF (15/29 Pages) Sanyo Semicon Device – FROM 32K byte, RAM 1024 byte on-chip 8-bit 1-chip Microcontroller | |||
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LC87F7J32A
Continued from preceding page.
Parameter
Symbol
Pin/Remarks
Conditions
Oscillation
frequency
range
(Note 2-3)
FmCF(1)
FmCF(2)
CF1, CF2
CF1, CF2
⢠12MHz ceramic oscillation
⢠See figure 1.
⢠8MHz ceramic oscillation
⢠See figure 1.
FmCF(3)
CF1, CF2
⢠4MHz ceramic oscillation
⢠See figure 1.
FmRC
Internal RC oscillation
FmVMRC(1)
⢠Frequency variable RC
source oscillation
⢠When
VMRAJ2 to 0=4,
VMFAJ2 to 0=0,
VMSL4M=0
FmVMRC(2)
Frequency
variable RC
oscillation
usable range
FsXâtal
OpVMRC(1)
OpVMRC(2)
XT1, XT2
⢠Frequency variable RC
source oscillation
⢠When
VMRAJ2 to 0=4,
VMFAJ2 to 0=0,
VMSL4M=1
⢠32.768kHz crystal oscillation
⢠See figure 2.
When VMSL4M=0
When VMSL4M=1
Frequency
VmADJ(1)
Each step of VMRAJn
variable RC
(Wide range)
oscillation
VmADJ(2)
Each step of VMFAJn
adjustment
(Small range)
range
Note 2-3: See Tables 1 and 2 for the oscillation constants.
VDD[V]
3.0 to 5.5
2.5 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
Specification
min
typ
max
unit
12
8
4
0.3
1.0
2.0
MHz
10
4
32.768
8
10
3.5
4
8
24
1
4
kHz
12
MHz
4.5
64
%
8
Electrical Characteristics at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
High level input
current
Symbol
IIH(1)
Pin/Remarks
⢠Ports 0, 1, 3, 7
⢠Ports A, B, C
⢠Port L
Conditions
⢠Output disabled
⢠Pull-up resistor off
⢠VIN=VDD
(including output Tr's off
leakage current)
Specification
VDD[V]
min
typ
max
unit
2.2 to 5.5
1
IIH(2)
RES
VIN=VDD
2.2 to 5.5
1
IIH(3)
XT1, XT2
⢠For input port specification
⢠VIN=VDD
2.2 to 5.5
1
Low level input
current
IIH(4)
IIL(1)
CF1
⢠Ports 0, 1, 3, 7
⢠Ports A, B, C
⢠Port L
VIN=VDD
⢠Output disabled
⢠Pull-up resistor off
⢠VIN=VSS
(including output Tr's off
2.2 to 5.5
2.2 to 5.5
-1
15
μA
leakage current)
IIL(2)
RES
VIN=VSS
2.2 to 5.5
-1
IIL(3)
XT1, XT2
⢠For input port specification
⢠VIN=VSS
2.2 to 5.5
-1
IIL(4)
CF1
VIN=VSS
2.2 to 5.5
-15
Continued on next page.
No.A0886-15/29
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