M30222 Datasheet, PDF (155/237 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
Xin Osc
XCin Osc
V32
1/32
1/2
LCD FFC
1/(n+1)
LCDCK
LCD Frame Freq.
1/8
Duty Ratio
1/4,1/3,1/2
COM
DQ
SEG
CLK
LCD SYNCout initiation bit Sync
Generator
SYNCout
CDC
1/(n+1)
1/2 _{D Q}
CLK
LCD clock out
polarity selection bit LCDCKout
Fig. 1.124. LCD port expansion block diagram
LCDCK
Com3 Active
Com2 Active
Com1 Active
Com0 Active
Initiate
Sync
SYNCout
1 Frame
Fig. 1.125. LCD port expansion timing diagram
1-156
Next Frame