Product Specifications

R/W# D/C# Hex D7 D6 D5 D4 D3 D2 D1 D0 Command
Description
0 0 2A 0 0 1 0 1 0 1 0 Program VCOM
OTP
Program VCOM reg
ister into OTP
The command requ
ired
CLKEN=1.
Refer to Register
0x22 for detail.
BUSY pad will out
put high during
operation.
0 0 2B 0 0 1 0 1 0 1 1 Write Register
for
VCOM Control
This command is used
to reduce
glitch
when ACVCOM toggle
. Two data bytes
D04h and D63h should b
e set for this
command.
0 1 0 0 0 0 0 1 0 0
0 1 0 1 1 0 0 0 1 1
0 0 2C 0 0 1 0 1 1 0 0 Write VCOM
register
Write VCOM re
gister from MCU
interface
A[7:0] = 00h [POR]
A[7:0] VCOM A[7:0] VCOM
08h -0.2 44h -1.7
0Ch -0.3 48h -1.8
10h -0.4 4Ch -1.9
14h -0.5 50h -2
18h -0.6 54h -2.1
1Ch -0.7 58h -2.2
20h -0.8 5Ch -2.3
24h -0.9 60h -2.4
28h -1 64h -2.5
2Ch -1.1 68h -2.6
30h -1.2 6Ch -2.7
34h -1.3 70h -2.8
38h -1.4 74h -2.9
3Ch -1.5 78h -3
40h -1.6 Ot
h
e
r
NA
0 1 A7 A6 A5 A4 A3 A2 A1 A0
0 0 2D 0 0 1 0 1 1 0 1 OTP Register
Read for
Display Option
Read R
egister for Display Option:
A[7:0]: VCOM OTP Sele
ction
(Command 0x37,
Byte A)
B[7:0]: VCOM Register
(
C
o
m
m
a
n
d 0x
2C
)
C
[7
:0
]~
F
[7:0]: Display Mode
(Command 0x37,
Byte B to Byte G)
[5 bytes]
G[7:0]~H[7:0]: Waveform Version
(Command 0x37, B
yte H to Byte K)
[4 bytes]
1 1 A7 A6 A5 A4 A3 A2 A1 A0
1 1 B7 B6 B5 B4 B3 B2 B1 B0
1 1 C7 C6 C5 C4 C3 C2 C1 C0
1 1 D7 D6 D5 D4 D3 D2 D1 D0
1 1 E7 E6 E5 E4 E3 E2 E1 E0
1 1 F7 F6 F5 F4 F3 F2 F1 F0
1 1 G7 G6 G5 G4 G3 G2 G1 G0
1 1 H7 H6 H5 H4 H3 H2 H1 H0
1 1 I7 I6 I5 I4 I3 I2 I1 I0
1 1 J7 J6 J5 J4 J3 J2 J1 J0
1 1 K7 K6 K5 K4 K3 K2 K1 K0
2.13inch e-Paper
www.waveshare.com
28/39