LC875832A Datasheet, PDF (13/23 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC875832A/24A/16A
Allowable Operating Range at Ta = -30°C to +70°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Operating
supply voltage
Symbol
VDD(1)
Pin/Remarks
VDD1=VDD2=VDD3
Conditions
0.294µs ≤ tCYC ≤ 200µs
0.367µs ≤ tCYC ≤ 200µs
VDD [V]
Specification
min
typ
max
unit
3.0
3.6
2.5
3.6
1.47µs ≤ tCYC ≤ 200µs
2.2
3.6
Memory
sustaining
VHD
VDD1=VDD2=VDD3
RAM and register contents
sustained in HOLD mode.
2.0
3.6
supply voltage
High level input
voltage
VIH(1)
Ports 1, 2
P71 to P73
P70 port input
2.2 to 3.6
0.3VDD
+0.7
VDD
/interrupt side
VIH(2)
Ports 0, 8, B, C
PWM2, PWM3
2.2 to 3.6
0.3VDD
+0.7
VDD
VIH(3)
Port 70 watchdog
timer side
2.2 to 3.6
0.9VDD
VDD
V
VIH(4)
XT1, XT2, CF1, RES
2.2 to 3.6 0.75VDD
VDD
Low level input
voltage
VIL(1)
VIL(2)
VIL(3)
VIL(4)
Ports 1, 2
P71 to P73
P70 port input
/interrupt side
Ports 0, 8, B, C
PWM2, PWM3
Port 70 watchdog
timer side
XT1, XT2, CF1, RES
2.2 to 3.6
VSS
2.2 to 3.6
2.2 to 3.6
2.2 to 3.6
VSS
VSS
VSS
0.2VDD
0.2VDD
0.8VDD
-1.0
0.25VDD
Instruction cycle
time
(Note 2-1)
tCYC
3.0 to 3.6
2.5 to 3.6
2.2 to 3.6
0.294
0.367
1.47
200
200 µs
200
External system FEXCF(1) CF1
clock frequency
• CF2 pin open
3.0 to 3.6
0.1
10
• System clock frequency
division ratio=1/1
2.5 to 3.6
0.1
8
• External system clock duty
=50 ± 5%
2.2 to 3.6
0.1
2
• CF2 pin open
• System clock frequency
division ratio=1/2
3.0 to 3.6
0.2
2.5 to 3.6
0.2
2.2 to 3.6
0.2
20
16
4 MHz
Oscillation
FmCF(1) CF1, CF2
10MHz ceramic oscillation mode
3.0 to 3.6
10
frequency range
See Fig. 1.
(Note 2-2)
FmCF(2) CF1, CF2
8MHz ceramic oscillation mode
2.5 to 3.6
8
See Fig. 1.
FmCF(3) CF1, CF2
4MHz ceramic oscillation mode
2.2 to 3.6
4
See Fig. 1.
FmRC
Internal RC oscillation
2.2 to 3.6
0.3
1.0
2.0
FsX’tal
XT1, XT2
32.768kHz crystal oscillation
mode
2.2 to 3.6
32.768
kHz
See Fig. 2.
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.8300-13/23