HD66420 Datasheet, PDF (7/52 Pages) Hitachi Semiconductor – (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

DTY1, 0
DTY1, 0 = (1,1): 1/8 display duty cycle - Partial display
DTY1, 0 = (1,0): 1/32 display duty cycle
DTY1, 0 = (0,1): 1/64 display duty cycle
DTY1, 0 = (0,0): 1/80 display duty cycle
INC
INC = 1: X address is incremented for each access
INC = 0: Y address is incremented for each access
BLK
BLK = 1: Blink function is used
BLK = 0: Blink function is not used
HD66420
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