HX8347 - Adafruit

HX8347-G(T)240RGB x 320 dot, 262K color, TFT Mobile Single Chip Driver6.2 Index registerDATA SHEET Preliminary V01R/WDNCRB7RB6 RB5 RB4 RB3 RB2 RB1 RB0W0ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0R 0 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0Figure 6.1: Index registerIndex register (IR) specifies the Index of register from R00h to RFFh. It sets theregister number (ID7-0) in the range from 00000000b to 11111111b in binary form.6.3 Himax ID register (PAGE0 - R00h)R/WDNC RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0R 1 0 1 0 0 0 1 1 1Figure 6.2: Himax ID register (PAGE0 -00h)This command is used to read this IC’s ID code. The ID code of this IC is 75h.6.4 Display mode control register (PAGE0 -01h)R/WWDNC1RB7DP_STBRB6 RB5 RB4 RB3 RB2 RB1 RB0DP_STB_S**SCROLLIDMONINVONPLTONR 1DP_STBDP_STB_S0 0SCROLLIDMONINVONPLTONFigure 6.3: Display mode control register (PAGE0 -01h)DP_STB, DP_STB_S : These two bits can let the driver into the deep standby mode.And when into deep standby, all display operation stops, including the internal R-Coscillator. In the deep standby mode, the GRAM data and register content are notretained. For details, please refer to “5.11 Power On/Off Sequence” section fordetailed use.IDMON: This bit is Idle mode (8-color display mode) enable bit. IDMON = ‘1’, chip willbe into idle mode, and color expression is reduced. The primary and the secondarycolors using MSB of each R, G and B in the Frame Memory, 8 color depth data isdisplayed.(Idel Mode On Example)MemoryDisplayHimax ConfidentialFor Go-tek OnlyThis information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosedin whole or in part without prior written permission of Himax.-P.123-October, 2009