LC87F5G32A Datasheet, PDF (12/23 Pages) Sanyo Semicon Device – FROM 32K byte, RAM 1024 byte on-chip 8-bit 1-chip Microcontroller

LC87F5G32A
Allowable Operating Conditions at at Ta = -30°C to +70°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Operating
supply voltage
(Note 2-1)
Symbol
VDD(1)
VDD(2)
VDD(3)
Pin/Remarks
Conditions
VDD1=VDD2=VDD3
0.294µs ≤ tCYC ≤ 200µs
0.367µs ≤ tCYC ≤ 200µs
0.588µs ≤ tCYC ≤ 200µs
VDD[V]
min
4.0
3.0
2.5
Specification
typ
max
unit
5.5
5.5
5.5
Memory
sustaining
supply voltage
VHD
VDD1=VDD2=VDD3
RAM and register contents
sustained in HOLD mode.
2.0
5.5
High level input
voltage
VIH(1)
Ports 1, 2, 3
P71 to P73
P70 port input/
interrupt side
PWM0, PWM1
2.5 to 5.5
0.3VDD
+0.7
VDD
VIH(2)
Port 0
2.5 to 5.5
0.3VDD
+0.7
VDD
VIH(3)
Low level input
voltage
VIH(4)
VIL(1)
Port 70 watchdog
timer side
XT1, XT2, CF1, RES
Ports 1, 2, 3
P71 to P73
P70 port input/
2.5 to 5.5
2.5 to 5.5
4.0 to 5.5
0.9VDD
0.75VDD
VSS
V
VDD
VDD
0.1VDD
+0.4
interrupt side
PWM0, PWM1
2.5 to 4.0
VSS
0.2VDD
VIL(2)
Port 0
4.0 to 5.5
VSS
0.15VDD
+0.4
Instruction cycle
time
(Note 2-1)
VIL(3)
VIL(4)
tCYC
(Note 2-2)
Port 70 watchdog
timer side
XT1, XT2, CF1, RES
2.5 to 4.0
2.5 to 5.5
2.5 to 5.5
4.0 to 5.5
3.0 to 5.5
2.5 to 5.5
VSS
VSS
VSS
0.294
0.367
0.588
0.2VDD
0.8VDD
-1.0
0.25VDD
200
200
µs
200
External system FEXCF
CF1
clock frequency
• CF2 pin open
• System clock frequency
4.0 to 5.5
0.1
division ratio=1/1
• External system clock
2.5 to 5.5
0.1
duty=50±5%
10
5 _MHz
• CF2 pin open
4.0 to 5.5
0.2
20.4
• System clock frequency
division ratio=1/2
2.5 to 5.5
0.1
10
Oscillation
FmCF(1) CF1, CF2
10MHz ceramic oscillation
4.0 to 5.5
10
frequency
See Fig 1.
range
FmCF(2) CF1, CF2
8MHz ceramic oscillation
3.0 to 5.5
8
(Note 2-3)
See Fig 1.
FmCF(3) CF1, CF2
5MHz ceramic oscillation
See Fig 1.
2.5 to 5.5
5
MHz
FmRC
Internal RC oscillation
2.5 to 5.5
0.3
1.0
2.0
FmMRC
Frequency variable RC
2.5 to 5.5
16
oscillation source oscillation
FsX’tal
XT1, XT2
32.768kHz crystal oscillation
See Fig 2.
2.5 to 5.5
32.768
kHz
Note 2-1: VDD must be held greater than or equal to 3.0V 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.
Note 2-3: See Tables 1 and 2 for the oscillation constants.
No.8298-12/23