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ST7789 Datasheet(PDF) 165 Page - Sitronix Technology Co., Ltd. |
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ST7789 Datasheet(HTML) 165 Page - Sitronix Technology Co., Ltd. |
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165 / 316 page  ST7789VI Version 1.4 Page 165 of 315 2014/04 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. 9.1.3 RDDID (04h): Read Display ID 04H RDDID (Read Display ID) Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX RDDID 0 ↑ 1 - 0 0 0 0 0 1 0 0 (04h) 1 st parameter 1 1 ↑ - - - - - - - - - - 2 nd parameter 1 1 ↑ - ID17 ID16 ID15 ID14 ID13 ID12 ID11 ID10 3 rd parameter 1 1 ↑ - ID27 ID26 ID25 ID24 ID23 ID22 ID21 ID20 4 th parameter 1 1 ↑ - ID37 ID36 ID35 ID34 ID33 ID32 ID31 ID30 Description -This read byte returns 24-bit display identification information. -The 1 st parameter is dummy data -The 2 nd parameter (ID17 to ID10): LCD module’s manufacturer ID. -The 3 rd parameter (ID26 to ID20): LCD module/driver version ID -The 4 th parameter (ID37 to UD30): LCD module/driver ID. -Commands RDID1/2/3(Dah, DBh, DCh) read data correspond to the parameters 2,3,4 of the command 04h, respectively. “-“ Don’t care 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 ID1 ID2 ID3 Power On Sequence 0x85 0x85 0x52 S/W Reset 0x85 0x85 0x52 H/W Reset 0x85 0x85 0x52 |
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