Datasheet
ST7735
V1.7 138 2009-12-04
-Set VCOML Voltage
VML[6:0] VCOML VML[6:0] VCOML
VML[6:0] VCOML
VML[6:0] VCOML
0000000
00h
0011011
1Bh
-1.825 0110110
36h
-1.150 1010001
51h
-0.475
0000001
01h
0011100
1Ch
-1.800 0110111
37h
-1.125 1010010
52h
-0.450
0000010
02h
0011101
1Dh
-1.775 0111000
38h
-1.100 1010011
53h
-0.425
0000011
03h
Not
Permitted
0011110
1Eh
-1.750 0111001
39h
-1.075 1010100
54h
-0.400
0000100
04h
-2.400 0011111
1Fh
-1.725 0111010
3Ah
-1.050 1010101
55h
-0.375
0000101
05h
-2.375 0100000
20h
-1.700 0111011
3Bh
-1.025 1010110
56h
-0.350
0000110
06h
-2.350 0100001
21h
-1.675 0111100
3Ch
-1.000 1010111
57h
-0.325
0000111
07h
-2.325 0100010
22h
-1.650 0111101
3Dh
-0.975 1011000
58h
-0.300
0001000
08h
-2.300 0100011
23h
-1.625 0111110
3Eh
-0.950 1011001
59h
-0.275
0001001
09h
-2.275 0100100
24h
-1.600 0111111
3Fh
-0.925 1011010
5Ah
-0.250
0001010
0Ah
-2.250 0100101
25h
-1.575 1000000
40h
-0.900 1011011
5Bh
-0.225
0001011
0Bh
-2.225 0100110
26h
-1.550 1000001
41h
-0.875 1011100
5Ch
-0.200
0001100
0Ch
-2.200 0100111
27h
-1.525 1000010
42h
-0.850 1011101
5Dh
-0.175
0001101
0Dh
-2.175 0101000
28h
-1.500 1000011
43h
-0.825 1011110
5Eh
-0.150
0001110
0Eh
-2.150 0101001
29h
-1.475 1000100
44h
-0.800 1011111
5Fh
-0.125
0001111
0Eh
-2.125 0101010
2Ah
-1.450 1000101
45h
-0.775 1100000
60h
-0.100
0010000
10h
-2.100 0101011
2Bh
-1.425 1000110
46h
-0.750 1100001
61h
-0.075
0010001
11h
-2.075 0101100
2Ch
-1.400 1000111
47h
-0.725 1100010
62h
-0.050
0010010
12h
-2.050 0101101
2Dh
-1.375 1001000
48h
-0.700 1100011
63h
-0.025
0010011
13h
-2.025 0101110
2Eh
-1.350 1001001
49h
-0.675 1100100
64h
0.000
0010100
14h
-2.000 0101111
2Fh
-1.325 1001010
4Ah
-0.650 1100101
65h
0010101
15h
-1.975 0110000
30h
-1.300 1001011
4Bh
-0.625 |
0010110
16h
-1.950 0110001
31h
-1.275 1001100
4Ch
-0.600 1111111
7Fh
Not
Permitted
0010111
17h
-1.925 0110010
32h
-1.250 1001101
4Dh
-0.575
0011000
18h
-1.900 0110011
33h
-1.225 1001110
4Eh
-0.550
0011001
19h
-1.875 0110100
34h
-1.200 1001111
4Fh
-0.525
0011010
1Ah
-1.850 0110101
35h
-1.175 1010000
50h
-0.500
Restriction
-If this register not using the register need be reserved.
-The VCOMAC = VCOMH – VCOML
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
Status Default Value
C5h
Power On Sequence 51h/4Dh
S/W Reset 51h/4Dh
H/W Reset 51h/4Dh