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ST7787 Datasheet(PDF) 118 Page - Sitronix Technology Co., Ltd. |
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ST7787 Datasheet(HTML) 118 Page - Sitronix Technology Co., Ltd. |
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118 / 217 page  ST7787 Ver. 1.7 2008.04.18 118 10.1.8 RDDIM (0Dh): Read Display Image Mode 0DH RDDIM (0Dh): Read Display Image Mode Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 (Code) RDDIM 0 ↑ 1 - 0 0 0 0 1 1 0 1 (0Dh) 1 st Parameter 1 1 ↑ - - - - - - - - - - 2 nd Parameter 1 1 ↑ - VSSON D6 INVON D4 D3 GCS2 GCS1 GCS0 NOTE: “-” Don’t care, can be set to VDDI or DGND level Description This command indicates the current status of the display as described in the table below: Bit Description Value VSSON Vertical Scrolling On/Off “1” = Vertical scrolling is On, “0” = Vertical scrolling is Off D6 Horizontal Scrolling On/Off “0” (Not used) INVON Inversion On/Off “1” = Inversion is On, “0” = Inversion is Off D4 All Pixels On “0” (Not used) D3 All Pixels Off “0” (Not used) GS GC[7:0] Reg. LCM1 LCM0 LC Type Gamma 0 0 MVA 0 1 Transflective(TR) 1 0 Transmissive(TM) 01H 1 1 N/A Curve 2.2 02H X X Transflective(TR) 1.8 04H X X Transflective(TR) 2.5 1 08H X X Transflective(TR) 1.0 01H X X Transflective(TR) 1.0 02H X X Transflective(TR) 2.5 0 0 MVA 0 1 Transflective(TR) 1 0 Transmissive(TM) 04H 1 1 N/A Curve 2.2 0 08H X X Transflective(TR) 1.8 Note 1: While LCM[1:0]=”00” Note 2: Even GCS[2:0] value is be changeable from read status, the gamma curve of Transmissive and MVA only γ =2.2. 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(D7 to D0) Power On Sequence 0000_0001 (01h) S/W Reset 0000_0001 (01h) H/W Reset 0000_0001 (01h) |
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