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a-Si TFT LCD Single Chip Driver
320RGBx240 Resolution and 262K color
ILI9342
The information contained herein is the exclusive property of ILI Technology Corp. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
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8.3.21.
Read ID4 (D3h) ................................................................................................................. 171
8.3.22. Positive Gamma Correction (E0h)..................................................................................... 172
8.3.23. Negative Gamma Correction (E1h) ................................................................................... 173
8.3.24. Digital Gamma Control 1 (E2h) ......................................................................................... 174
8.3.25. Digital Gamma Control 2(E3h) .......................................................................................... 175
8.3.26. Interface Control (F6h) ...................................................................................................... 176
8.3.27. Get GPIO0~7 Status (F7h) ................................................................................................ 179
8.3.28. Set GPIO0~7 Status (F8h) ................................................................................................ 180
9. Display Data RAM..................................................................................................................................... 181
9.1. Configuration................................................................................................................................ 181
9.2. Memory to Display Address Mapping .......................................................................................... 182
9.2.1. Normal Display ON or Partial Mode ON, Vertical Scroll Mode OFF ................................. 182
9.2.2. Vertical Scroll Mode........................................................................................................... 183
9.2.3. Vertical Scroll Example...................................................................................................... 184
9.2.4. Case1: TFA+VSA+BFA < 240 ........................................................................................... 184
9.2.5. Case2: TFA+VSA+BFA = 240 (Rolling Scrolling) .............................................................. 184
9.3. MPU to memory write/read direction............................................................................................ 186
10. Tearing Effect Output ................................................................................................................................ 189
10.1. Tearing Effect Line Modes............................................................................................................ 189
10.2. Tearing Effect Line Timings.......................................................................................................... 190
11. Sleep Out – Command and Self-Diagnostic Functions of the Display Module......................................... 191
11.1. Register loading Detection........................................................................................................... 191
11.2. Functionality Detection................................................................................................................. 192
12. Power ON/OFF Sequence ........................................................................................................................ 193
12.1. Case 1 – RESX line is held High or Unstable by Host at Power ON........................................... 193
12.2. Case 2 – RESX line is held Low by Host at Power ON ............................................................... 194
12.3. Uncontrolled Power Off ................................................................................................................ 195
13. Power Level Definition .............................................................................................................................. 196
13.1. Power Levels................................................................................................................................ 196
13.2. Power Flow Chart......................................................................................................................... 197
14. Gamma Curves Selection ......................................................................................................................... 198
14.1. Gamma Default Values (for NW type LC) .................................................................................... 198
14.2. Gamma Curves ............................................................................................................................ 199
14.2.1. Gamma Curve 1 (GC0), applies the function y=x
2.2
.......................................................... 199
14.2.2. Gamma Curve 2 (GC1), applies the function y=x
1.8
.......................................................... 199
14.2.3. Gamma Curve 3 (GC2), applies the function y=x
2.5
.......................................................... 199
14.2.4. Gamma Curve 4 (GC3), applies the function y=x
1.0
.......................................................... 199
15. Reset ......................................................................................................................................................... 200
15.1. Registers ...................................................................................................................................... 200