UC1682THCZ datasheet(27/70 Pages) ETC2

27 / 70 page

UC1682

80x104RGB CSTN Controller-Driver

Revision 0.6

(33) SET WINDOW PROGRAM STARTING ROW ADDRESS

Action

C/D W/R D7 D6 D5 D4 D3 D2 D1 D0

111

1010

Set WPP0

(Double byte command)

WPP0 register parameter

This command is to program the starting row address of RAM program window.

(34) SET WINDOW PROGRAM ENDING COLUMN ADDRESS

Action

C/D W/R D7 D6 D5 D4 D3 D2 D1 D0

111

1011

Set WPC1

(Double byte command)

WPC1[7:0] register parameter

This command is to program the ending column address of RAM program window.

(35) SET WINDOW PROGRAM ENDING ROW ADDRESS

Action

C/D W/R D7 D6 D5 D4 D3 D2 D1 D0

111

1011

Set WPP1

(Double byte command)

WPP1 register parameter

This command is to program the ending row address of RAM program window.

(36) SET WINDOW PROGRAM ENABLE

Action

C/D W/R D7 D6 D5 D4 D3 D2 D1 D0

Set Window Program Enable AC[4]

111

1100

AC4

This command is to enable the Window Program Function. Window Program Enable should always be reset

when changing the window program boundary and then set right before starting the new boundary program.

Window Program Function can be used to refresh the RAM data in a specified window of SRAM address.

When window programming is enabled, the CA and RA increment and wrap around will be automatically

adjusted, and therefore allow effective data update within the window.

The direction of Window Program will depend on the WA (AC[0]), RID (AC[2]), auto-increment order (AC[1])

and MX (LC[1]) register setting. WA decides whether the program RAM address advances to next

row/column after reaching the specified window column / row boundary. RID controls the RAM address

incrementing from WPP0 toward WPP1 (RID=0) or reverse the direction (RID=1). Auto-increment order

directs the RAM address increment vertically (AC[1]=1) or horizontally (AC[1]=0). MX results the RAM

column address incrementing from 103-WPC0 to 103-WPC1 (MX=1) or WPC0 to WPC1 (MX=0).

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