GDEW0154M09 datasheet(30/58 Pages) ETC

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(8)

Deep Sleep (DSLP) (R07H)

Action

W/R C/D D7

Deep Sleep

The command define as follows: After this command is transmitted, the chip would

enter the deep-sleep mode to save power.

The deep sleep mode would return to standby by hardware reset.

The only one parameter is a check code, the command would be excited if check code =

0xA5.

(9)

Data Start Transmission 1 (DTM1) (R10H)

Action

W/R C/D

Starting data

transmission

Pixel1 Pixel2 Pixel3 Pixel4 Pixel5 Pixel6 Pixel7 Pixel8

Pixel

(n-7)

Pixel

(n-6)

Pixel

(n-5)

Pixel

(n-4)

Pixel

(n-3)

Pixel

(n-2)

Pixel

(n-1)

Pixel

(n)

The command define as follows:

The register is indicates that user start to transmit data, then write to SRAM. While data

transmission complete, user must send command 11H. Then chip will start to send

data/VCOM for panel.

In BW mode, this command writes “OLD” data to SRAM.

In BWR mode, this command writes “B/W” data to SRAM.

In Program mode, this command writes “OTP” data to SRAM for programming.

(10) Data Stop (DSP) (R11H)

Action

W/R C/D

Stopping data

transmission

1 Data_flag

Check the completeness of data. If data is complete, start to refresh display.

Data_flag:

Data flag of receiving user data.

0: Driver didn’t receive all the data.

1: Driver has already received all the one-frame data (DTM1 and DTM2).

After “Data Start” (R10h) or “Data Stop” (R11h) commands and when data_flag=1, the

refreshing of panel starts and BUSY signal will become “0”.

GDEW0154M09

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1.54 inch Series

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