LC87F7CC8A Datasheet, PDF (11/21 Pages) Sanyo Semicon Device – FROM 128K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC87F7CC8A
Allowable Operating Range at Ta = -20°C to +70°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Symbol
Operating
supply voltage
range
(Note2-1)
Supply
voltage range
in Hold mode
Input high
voltage
VDD(1)
VDD(2)
VDD(3)
VHD
VIH(1)
VIH(2)
Input low
voltage
Operation
cycle time
(Note 2-2)
VIH(3)
VIH(4)
VIH(5)
VIL(1)
VIL(2)
VIL(3)
VIL(4)
VIL(5)
VIL(6)
VIL(7)
tCYC
Pin/Remarks
VDD1=VDD2=VDD3
VDD1
• Ports 0, 8
• Ports A, B, D, E, L
• Port 1
• Ports 71, 72, 73
• P70
port input/interrupt
P87 small signal input
Port 70
Watchdog timer
XT1, XT2, CF1, RES
• Ports 0, 8
• Ports A, B, D, E, L
• Port 1
• Ports 71, 72, 73
• P70 port
input/interrupt
Port 87 small signal
Input
Port 70
Watchdog timer
XT1, XT2, CF1, RES
Conditions
0.245µs≤ tCYC≤ 200µs
0.294µs≤ tCYC≤ 200µs
0.735µs≤ tCYC≤ 200µs
Keep RAM and register data in
HOLD mode.
Output disable
Output disable
Output disable
Output disable
Output disable
Output disable
Output disable
Output disable
VDD [V]
min
4.5
2.8
2.2
Specification
typ
max
unit
5.5
5.5
5.5
2.0
2.2 to 5.5
0.3VDD
+0.7
2.2 to 5.5
0.3VDD
+0.7
2.2 to 5.5
2.2 to 5.5
2.2 to 5.5
4.0 to 5.5
2.2 to 4.0
4.0 to 5.5
0.75VDD
0.9VDD
0.75VDD
VSS
VSS
VSS
2.2 to 4.0
VSS
2.2 to 5.5
VSS
2.2 to 5.5
2.8 to 5.5
4.5 to 5.5
2.8 to 5.5
2.2 to 5.5
VSS
VSS
0.245
0.294
0.735
5.5
VDD
VDD
VDD
VDD
V
VDD
0.15VDD
+0.4
0.2VDD
0.1VDD
+0.4
0.2VDD
0.25VDD
0.8VDD
-1.0
0.25VDD
200
200 µs
200
External
system clock
frequency
FEXCF(1) CF1
• CF2 open
4.5 to 5.5
0.1
• system clock divider :1/1
2.8 to 5.5
0.1
• external clock DUTY = 50 ± 5%
2.2 to 5.5
0.1
• CF2 open
• system clock divider :1/2
4.5 to 5.5
0.2
2.8 to 5.5
0.2
12
10
4
MHz
24.4
20
2.2 to 5.5
0.2
8
Oscillation
frequency
range
(Note 2-3)
FmCF(1) CF1, CF2
FmCF(2)
FmCF(3)
12MHz ceramic resonator
oscillation
See Fig. 1.
10MHz ceramic resonator
oscillation
See Fig. 1.
4MHz ceramic resonator
oscillation
See Fig. 1.
4.5 to 5.5
2.8 to 5.5
2.2 to 5.5
12
10
MHz
4
FmRC
RC oscillation
2.2 to 5.5
0.3
1.0
2.0
FmMRC
Frequency variable RC
2.2 to 5.5
16
oscillation source oscillation
FsX’tal
XT1, XT2
32.768kHz crystal resonator
oscillation
2.2 to 5.5
32.768
kHz
See Fig. 2.
Note 2-1: VDD must be held greater than or equal to 3.0V in the flash ROM onboard programming mode.
Note 2-2: Oscillation frequency and Operation cycle time (tCYC) rerationship: 1/1divide-3/FmCF, 1/2divide-6/FmCF
Note 2-3: The parts value of oscillation circuit is shown in Table 1 and Table 2.
No.A0147-11/21