UPD16663N-051 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16663N-051

240-OUTPUT LCD COLUMN (SEGMENT) DRIVER WITH BUILT-IN RAM

NEC => Renesas Technology 

µPD16663

The display remains off for 4 frame cycles after /REFRH release, even if the /DOFF pin is H.

/REFRH

/FRM

/DOUT

Internal status

1

2

3

4

5

6

Display off

Display on

5 9. DISPLAY OFF FUNCTION

When /DOFF = L, the column driver outputs (Yn) are all at the V1 level. Moreover, because the /DOUT output is

also L, the /DOFF’ signal of the row driver becomes L, causing all the row driver outputs (Xn) to also be at the V1

level. The display is therefore forcibly put in the off status, regardless of the display data.

Remark /DOFF’ is the row driver input pin.

20

Data Sheet S13392EJ1V0DS00

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