Datasheet

(36) Read OTP Data (ROTP) (RA2H)
Action W/R C/D D7 D6 D5 D4 D3 D2 D1 D0
Read OTP data for check
0 0
1 0 1 0 0 0 1 0
1 1 Dummy
1 1 The data of address 0x000 in the OTP
1 1 The data of address 0x001 in the OTP
1 1 ..
1 1 The data of address (n-1) in the OTP
1 1 The data of address (n) in the OTP
The command is used for reading the content of OTP for checking the data of programming.
The value of (n) is depending on the amount of programmed data, the max address = 0xFFF.
The sequence of programming OTP
(37) Power Saving (PWS) (RE3H)
Action W/R C/D D7 D6 D5 D4 D3 D2 D1 D0
Power Saving for
Vcom &Source
0 0
1 1 1 0 0 0 1 1
0 1 VCOM_W[3:0] SD_W[3:0]
This command is set for saving power during fresh period. If the output voltage of VCOM / Source is from negative to positive or
from positive to negative, the power saving mechanism will be activated. The active period width is defined by the following two
parameters.
VCOM_W[3:0]: VCOM power saving width (unit = line period)
4.2" e-Paper
www.waveshare.com
25／45