M38258MCM Datasheet, PDF (35/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Internal logic
LCDCK timing
1/4 duty
COM0
COM1
COM2
COM3
SEG0
Voltage level
VL3
VVVLSL21S
VL3
VSS
OFF
ON
OFF
ON
COM3 COM2 COM1 COM0 COM3 COM2 COM1 COM0
1/3 duty
COM0
COM1
COM2
SEG0
ON
OFF
ON
OFF
ON
OFF
1/2 duty
COM0
COM2
COM1
COM0
COM2
COM1
COM0
COM2
COM0
COM1
SEG0
ON
OFF
ON
OFF
ON
OFF
ON
OFF
COM1 COM0
Fig. 33 LCD drive waveform (1/3 bias)
COM1
COM0
COM1
COM0
COM1
COM0
VVVLLL321
VSS
VL3
VSS
VVVVLLSL321S
VL3
VSS
35