LC875CC8A Datasheet, PDF (16/29 Pages) Sanyo Semicon Device – ROM 128K/112K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC875CC8A/B2A
Allowable Operating Conditions at Ta = -30°C to +70°C, VSS1 = VSS2 = VSS3 = VSS4 = 0V
Parameter
Symbol
Pins/Remarks
Operating
VDD(1)
supply voltage
VDD1=VDD2
=VDD3=VDD4
Conditions
0.245μs ≤ tCYC ≤ 200μs
0.367μs ≤ tCYC ≤ 200μs
VDD[V]
Specification
min
typ
max
unit
2.8
5.5
2.5
5.5
1.47μs ≤ tCYC ≤ 200μs
2.2
5.5
Memory
sustaining
supply voltage
VHD
VDD1=VDD2
=VDD3=VDD4
RAM and register contents in
HOLD mode.
2.0
5.5
High level
input voltage
VIH(1)
Ports 1, 2, 3
SI2P0 to SI2P3
P71 to P73
P70 port input /
interrupt side
2.2 to 5.5
0.3VDD
+0.7
VDD
VIH(2)
Low level
input voltage
VIH(3)
VIH(4)
VIL(1)
Ports 0, 8
Ports A, B, C, E, F
PWM0, PWM1
P70 Watchdog
timer side
XT1, XT2, CF1, RES
Ports 1, 2, 3
SI2P0 to SI2P3
2.2 to 5.5
0.3VDD
+0.7
2.2 to 5.5
2.2 to 5.5
4.0 to 5.5
0.9VDD
0.75VDD
VSS
VDD
V
VDD
VDD
0.1VDD
+0.4
VIL(2)
P71 to P73
P70 port input/
interrupt side
2.2 to 4.0
VSS
0.2VDD
VIL(3)
VIL(4)
VIL(5)
Ports 0, 8
Ports A, B, C, E, F
PWM0, PWM1
Port 70 Watchdog
timer side
4.0 to 5.5
2.2 to 4.0
2.2 to 5.5
VSS
VSS
VSS
0.15VDD
+0.4
0.2VDD
0.8VDD
-1.0
Instruction
cycle time
(Note 2-1)
VIL(6)
tCYC
XT1, XT2, CF1, RES
2.2 to 5.5
2.8 to 5.5
2.5 to 5.5
2.2 to 5.5
VSS
0.245
0.367
1.470
0.25VDD
200
200 μs
200
External
system clock
frequency
FEXCF(1) CF1
• CF2 pin open
2.8 to 5.5
0.1
12
• System clock frequency
2.5 to 5.5
0.1
8
division rate=1/1
• External system clock duty
2.2 to 5.5
0.1
2
=50±5%
Oscillation
frequency
range
(Note 2-2)
FmCF(1) CF1, CF2
FmCF(2) CF1, CF2
• CF2 pin open
• System clock frequency
division rate=1/2
12MHz ceramic oscillation
See Fig. 1.
8MHz ceramic oscillation
See Fig. 1.
2.8 to 5.5
2.5 to 5.5
2.2 to 5.5
2.8 to 5.5
2.5 to 5.5
0.2
0.2
0.2
12
8
24.4
16
4
MHz
FmCF(3) CF1, CF2
4MHz ceramic oscillation
2.2 to 5.5
4
See Fig. 1.
FmRC
Internal 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 oscillation.
See Fig. 2.
2.2 to 5.5
32.768
kHz
Note 2-1: 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.
Note 2-2: See tables 1 and 2 for the oscillation constants.
No.A0744-16/29