32
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C3 Group
Fig. 32 LCD drive waveform (1/3 bias)
Internal signal
LCDCK timing
1/4 duty
Voltage level
VL3
VSS
COM0
COM1
COM2
COM3
SEG0
OFF
ON
OFF
ON
COM3
COM2
COM1
COM0
COM3
COM2
COM1
COM0
1/3 duty
OFF
ON
OFF
ON
OFF
1/2 duty
COM0
COM1
COM2
SEG0
COM0
COM1
SEG0
OFF
ON
OFF
ON
OFF
ON
OFF
ON
VL3
VL2
VSS
VL1
VL3
VL2
VSS
VL1
VL3
VSS
VL3
VL2
VSS
VL1
VL3
VSS
COM0
COM2
COM1
COM0
COM2
COM1
COM0
COM2
COM1
COM0
COM1
COM0
COM1
COM0
COM1
COM0