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 186 of 233
8.3.22. NV Memory Status Read (D2h)
D2h RDNVM (NV Memory Status Read)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 1 1 0 1 0 0 1 0 D2h
1
st
Parameter 1 ↑ 1 XX X X X X X X X X X
2
nd
Parameter 1 ↑ 1 XX 0 ID2_CNT [2:0] 0 ID1_CNT [2:0] XX
3
rd
Parameter 1 ↑ 1 XX BUSY VMF_CNT [2:0] 0 ID3_CNT [2:0] XX
Description
ID1_CNT [2:0] / ID2_CNT [2:0] / ID3_CNT [2:0] / VMF_CNT [2:0]: NV memory program record. The bits will increase “+1”
automatically after writing the PGM_DATA [7:0] to NV memory.
ID1_CNT [2:0] / ID2_CNT [2:0]
ID3_CNT [2:0] / VMF_CNT [2:0]
Description
Status Availability
0 0 0 No Programmed
0 0 1 Programmed 1 time
0 1 1 Programmed 2 times
1 1 1 Programmed 3 times
BUSY: The status bit of NV memory programming.
BUSY The Status of NV Memory
0 Idle
1 Busy
Restriction EXTC should be high to enable this command
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
Default Value
Status
ID3_CNT ID2_CNT ID1_CNT VMF_CNT BUSY
Power ON Sequence X X X X X
SW Reset X X X X X
HW Reset X X X X X