Data Sheet

a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
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.
Page 162 of 233
8.3.6. Blanking Porch Control (B5h)
B5h PRCTR (Blanking Porch)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 1 0 1 1 0 1 0 1 B5h
1
st
Parameter 1 1 ↑ XX 0 VFP [6:0] 02
2
nd
Parameter 1 1 ↑ XX 0 VBP [6:0] 02
3
rd
Parameter 1 1 ↑ XX 0 0 0 HFP [4:0] 0A
4
th
Parameter 1 1 ↑ XX 0 0 0 HBP [4:0] 14
Description
VFP [6:0] / VBP [6:0]: The VFP [6:0] and VBP [6:0] bits specify the line number of vertical front and back porch period
respectively.
VFP [6:0]
VBP [6:0]
Number of HSYNC of front/back porch
VFP [6:0]
VBP [6:0]
Number of HSYNC of front/back porch
0000000 Setting inhibited 1000000 64
0000001 Setting inhibited 1000001 65
0000010 2 1000010 66
0000011 3 1000011 67
0000100 4 1000100 68
0000101 5 1000101 69
0000110 6 1000110 70
0000111 7 1000111 71
0001000 8 1001000 72
0001001 9 1001001 73
0001010 10 1001010 74
0001011 11 1001011 75
0001100 12 1001100 76
0001101 13 1001101 77
:
:
:
:
:
:
:
:
0111101 61 1111101 125
0111110 62 1111110 126
0111111 63 1111111 127
Note: VFP + VBP 254 HSYNC signals
HFP [4:0] / HBP [4:0]: The HFP [4:0] and HBP [4:0] bits specify the line number of horizontal front and back porch period
respectively.
HFP [4:0]
HBP [4:0]
Number of DOTCLK of the front/back porch
HFP [4:0]
HBP [4:0]
Number of DOTCLK of front/back porch
00000 Setting prohibited 10000 16
00001 Setting prohibited 10001 17
00010 2 10010 18
00011 3 10011 19
00100 4 10100 20
00101 5 10101 21
00110 6 10110 22
00111 7 10111 23
01000 8 11000 24
01001 9 11001 25
01010 10 11010 26
01011 11 11011 27
01100 12 11100 28
01101 13 11101 29
01110 14 11110 30
01111 15 11111 31