M30222 Datasheet, PDF (153/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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Specifications in this manual are tentative and subject to change
MITSUBISHI MICROCOMPUTERS
M30222 Group
Rev. G
LCD Drive Control Circuit
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Internal logic
LCDCK timing
1/4 duty
COM0
COM1
COM2
COM3
SEG0
Voltage level
VVVVSLLL321S
VL3
VSS
OFF
ON
OFF
ON
COM3 COM2 COM1 COM0 COM3 COM2 COM1 COM0
1/3 duty
COM0
COM1
COM2
SEG0
VVVVSLLL321S
VL3
VSS
ON
OFF
ON
OFF
ON
OFF
1/2 duty
COM0
COM2
COM1
COM0 COM2 COM1 COM0 COM2
COM0
COM1
SEG0
VVVLLL321
VSS
VL3
VSS
ON
OFF
ON
OFF
ON
OFF
ON
OFF
COM1 COM0 COM1 COM0 COM1 COM0 COM1 COM0
Fig. 1.122. LCD drive waveform (1/3 bias)
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