UPD161622 datasheet(49/103 Pages) NEC

49 / 103 page

Data Sheet S15649EJ2V0DS

µ PD161622

(2) Recommended sequence for switching from partial display mode to normal display mode

DISP1 = 1 or DISP1 = 0, DISP0 = 1

<1> Display off

↓

Display data overwrite

<2> Display data overwrite

Note

(for normal display)

↓

DTY = 0, COLOR = 0

, D2

<3> Partial display mode, 65,000-color mode

Note

↓

DISP1 = 0, DISP0 = 0

<4> Display on

Note <2> to <3> can be executed in any order.

(3) Recommended sequence for switching from partial display mode to partial display mode (switching the

partial display area)

DISP1 = 1 or DISP1 = 0, DISP0 = 1

<1> Display off

↓

(display data overwrite)

<2> Display data overwrite Notes

Note1, 2

↓

P1SLn, P2SLn setting

R20,

<3> Partial display area start line setting

Note1

R21

↓

P1AWn, P2AWn setting

R22,

<4> Partial display area line count setting

Note1

R23

↓

DTY = 1

<5> Partial display mode

Note3

↓

DISP1 = 0, DISP0 = 0

<6> Display on

Notes 1. <2> to <4> can be executed in any order.

2. Execute <2> only when necessary.

3. <5> must be executed after <3> and <4> have been set.

UPD161622 Datenblatt(PDF) 49 Page - NEC

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