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HD61830 Datasheet, PDF (27/43 Pages) Hitachi Semiconductor – LCDC (LCD Timing Controller)
11. Applied to external clock operation.
Th
Open
R
Open
C
Oscillator
CR
0.7 VCC
0.5 VCC
0.3 VCC
trcp
12. Applied to SYNC, DB0–DB7, and RD0–RD7.
HD61830/HD61830B
TI
Duty cycle = Th × 100%
tfcp
Th + TI
27