
LC88F83B0A
No.A1228-2/25
Instruction Execution Time (min)
31.0μs
: 32.768kHz crystal used
15.6μs (typ) : Low speed RC oscillation (typ: 64kHz)
0.25μs
: 4.0MHz ceramic filter oscillation
1.00μs (typ) : High speed RC oscillation (typ: 1MHz)
Power Supply Voltage
2.3V to 5.5V (Ta =-20 to 75°C) : 32.768kHz crystal used
2.3V to 5.5V (Ta =0 to 60°C) : Low speed RC oscillation (typ: 64kHz)
2.4V to 5.5V (Ta =-20 to 75°C) : 4.0MHz ceramic filter oscillation
2.3V to 5.5V (Ta =0 to 60°C) : High-speed RC oscillation (typ: 1MHz)
2.4V to 5.5V (Ta =-20 to 75°C) : When LCD ON
Consumption Current (3.0V):
10.5μA (typ)
(Ta=25
°C, crystal oscillation 32.768kHz, 1/1 dividing frequency, HALT, LCD: ON)
300μA (typ)
(Ta=25
°C, crystal oscillation 32.768kHz, CF 4MHz, 1/2 dividing frequency, HALT, LCD: ON)
2200μA (typ)
(Ta=25
°C, crystal oscillation 32.768kHz, CF 4MHz, 1/2 dividing frequency, continuous operation, LCD: ON)
Ports
Normal withstand voltage I/O ports
20 (P0n, P1n, P20 to P23)
LCD (COM8/SEG0 to COM15/SEG7 pins are multiplexed with COMMON and SEGMENT)
LCD drive bias power supply port
4 (VLCD1 to VLCD4)
Step-up capacitor port
2 (CUP00, CUP01)
16 common mode
Segment output
64 (SEG8 to SEG71)
Common output
16 (COM0 to COM15)
8 common mode
Segment output
72 (SEG0 to SEG71)
Common output
8 (COM0 to COM7)
Oscillation pins
4 (XT1, XT2, CF1, CF2)
Reset pin
1 (RESB)
Test pin
1 (TST)
LCD port power pins
2 (LCDVSS0, LCDVSS1)
Power pins
2 (VDD, VSS)
LCD
LCD power supply
: Capacitor step-up type
Number of dots
: 1024 (64 segments
× 16 commons) / 576 (72 segments × 8 commons)
Contrast
: Adjustable in 16 steps
LCD frame frequency : Selectable from 4 types