UPD16686P View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

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UPD16686P

1/128 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM

NEC => Renesas Technology 

µPD16686, 16687

3.2.6 Display start line set

As is shown in Figure 3-6, display start line set specifies the Y address that corresponds to the COM1 output for displaying

the contents of display data RAM. The display start line set (R12) is used to specify the top line in the display. The screen

can be scrolled, overwritten, etc. A 7-bit display start address is set to the display start line register.

3.2.7 Display data latch circuit

The display data latch circuit is used for temporary storage of data that is output to the LCD driver from the display data

RAM.

The display scan command that sets normal or reverse display mode and the display ON/OFF command control latched

data so that there is no effect on the data in the display data RAM.

28

Data Sheet S15548EJ1V0DS

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