ST7637 datasheet(114/210 Pages) SITRONIX

114 / 210 page

ST7637

Ver 1.6

114/210

2009/03

9.1.28. SCRLAR: Scroll Area (33h)

Command

/RD

/WR

Hex

SCRLAR

(33h)

1st parameter

TFA7 TFA6 TFA5 TFA4 TFA3 TFA2 TFA1 TFA0

2nd parameter

VSA7 VSA6 VSA5 VSA4 VSA3 VSA2 VSA1 VSA0

3rd parameter

BFA7 BFA6 BFA5 BFA4 BFA3 BFA2 BFA1 BFA0

NOTE: “-“ Don’t care

Descriptio

This command just defines the Vertical Scrolling Area of the display and not performs vertical scroll.

When MADCTR ML=0

The 1st parameter TFA [7:0] describes the Top Fixed Area (in No. of lines from Top of the Frame

Memory and Display).

The 2nd parameter VSA [7:0] describes the height of the Vertical Scrolling Area (in No. of lines of the

Frame Memory [not the display] from the Vertical Scrolling Start Address) The first line appears

immediately after the bottom most line of the Top Fixed Area.

The 3rd parameter BFA [7:0] describes the Bottom Fixed Area (in No. of lines from Bottom of the

Frame Memory and Display).

TFA, VSA and BFA refer to the Frame Memory Line Pointer.

Restriction

The condition is (TFA+VSA+BFA) = 132, otherwise Scrolling mode is undefined.

Availability

Status

Availability

Normal Mode On, Idle Mode Off, Sleep Out

Yes

Normal Mode On, Idle Mode On, Sleep Out

Yes

Partial Mode On, Idle Mode Off, Sleep Out

Yes

Partial Mode On, Idle Mode On, Sleep Out

Yes

Sleep In

Yes

ST7637 Datasheet(PDF) 114 Page - Sitronix Technology Co., Ltd.

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