LC87F7032A Datasheet, PDF (11/21 Pages) Sanyo Semicon Device – CMOS IC FROM 32K byte, RAM 1024 byte on-chip 8-bit 1-chip Microcontroller

LC87F7032A
Recommended Operating Range at Ta = -20°C to +70°C, VSS1 = VSS2 = 0V
Parameter
Operating
supply voltage
range
Symbol
VDD(1)
VDD(2)
Pins
VDD1=VDD2=V2
Conditions
0.75µs≤tCYC≤200µs
0.75µs≤tCYC≤200µs
expect on-board write
VDD[V]
min
3.0
2.4
Specification
typ
max
3.6
3.6
Supply voltage
range in hold
VHD
VDD1
Keep RAM and register data in
HOLD mode.
2.2
3.6
mode
Input high
voltage
VIH(1)
• Ports 1, 71 to 73
• Port 70
input/interrupt
Output disable
2.4 to 3.6
0.3VDD
+0.7
VDD
VIH(2)
• Ports 0, C
• PWM
Output disable
2.4 to 3.6
0.3VDD
+0.7
VDD
VIH(3)
Port 70
Watchdog timer
Output disable
2.4 to 3.6
0.9VDD
VDD
Input low
Voltage
VIH(4)
VIL(1)
XT1, CF1, RES
• Ports 1, 71 to 73
• Port 70
input/interrupt
Output disable
2.4 to 3.6 0.75VDD
2.4 to 3.6
VSS
VDD
0.2VDD
VIL(2)
• Ports 0, C
• PWM
Output disable
2.4 to 3.6
VSS
0.2VDD
VIL(3)
Port 70
Watchdog timer
Output disable
2.4 to 3.6
VSS
0.8VDD
-1.0
Operation
cycle time
VIL(4)
tCYC
XT1, CF1, RES
2.4 to 3.6
2.4 to 3.6
VSS
0.75
0.25VDD
200
External
FEXCF(1) CF1
• CF2 open
2.4 to 3.6
0.1
4
system clock
frequency
• system clock divider: 1/1
• external clock DUTY=50±5%
2.4 to 3.6
0.1
8
Oscillation
FmCF
CF1, CF2
4MHz ceramic resonator
frequency
oscillation
2.4 to 3.6
4
range
See Fig. 1.
(Note2-1)
FmRC
RC oscillation target:
VDD=3.00V, Ta=25°C
2.4 to 3.6
0.3
0.5
0.7
FsX’tal
XT1, XT2
32.768kHz crystal resonator
oscillation
See Fig. 2.
2.4 to 3.6
32.768
unit
V
µs
MHz
KHz
Note 2-1: The parts value of oscillation circuit is shown in table 1 and table 2.
No.A0653-11/21