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ST7789V2 Datasheet(PDF) 204 Page - Sitronix Technology Co., Ltd. |
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ST7789V2 Datasheet(HTML) 204 Page - Sitronix Technology Co., Ltd. |
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204 / 319 page  ST7789V2 Version 1.0 Page 204 of 319 2016/11 Sitronix Confidential The information contained herein is the exclusive property of Sitronix and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of Sitronix. 9.1.22 RAMWR (2Ch): Memory Write 2CH RAMWR (Memory Write) Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX RAMWR 0 ↑ 1 - 0 0 1 0 1 1 0 0 (2Ch) 1st parameter 1 ↑ 1 D1[17]-1[8] D1[7] D1[6] D1[5] D1[4] D1[3] D1[2] D1[1] D1[0] … 1 ↑ 1 Dx[17]-x[8] Dx[7] Dx[6] Dx[5] Dx[4] Dx[3] Dx[2] Dx[1] Dx[0] N parameter 1 ↑ 1 Dn[17]-n[8] Dn[7] Dn[6] Dn[5] Dn[4] Dn[3] Dn[2] Dn[1] Dn[0] Description -This command is used to transfer data from MCU to frame memory. -When this command is accepted, the column register and the page register are reset to the start column/start page positions. -The start column/start page positions are different in accordance with MADCTL setting. -Sending any other command can stop frame write. Restriction Register 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 Default Status Default Value Power On Sequence Contents of memory is set randomly S/W Reset Contents of memory is not cleared H/W Reset Contents of memory is not cleared |
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