Read Registers on MCUFRIEND UNO shield
controllers either read as single 16-bit
e.g. the ID is at readReg(0)
or as a sequence of 8-bit values
in special locations (first is dummy)
reg(0x0000) 01 64 ILI9320, ILI9325, ILI9335, ...
reg(0x0004) 04 04 04 04 Manufacturer ID
reg(0x0009) 09 09 09 09 09 Status Register
reg(0x00BF) BF BF BF BF BF BF ILI9481, HX8357-B
reg(0x00D0) F0 F0 Power Control
reg(0x00D2) F2 F2 F2 NVM Read
reg(0x00D3) F3 F3 F3 F3 ILI9341, ILI9488
reg(0x00DA) FA FA FA RDID1
reg(0x00DB) FB FB FB RDID2
reg(0x00DC) FC FC FC RDID3
reg(0x00EF) EF EF EF EF EF EF ILI9327
reg(0x00B0) B0 RGB Interface Signal Control
reg(0x00B4) B4 Inversion Control
reg(0x00B6) B6 B6 B6 B6 Display Control
reg(0x00B7) B7 Entry Mode Set
reg(0x00F2) F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 Adjust Control 2
reg(0x00F6) F6 F6 F6 Interface Control