Datasheet

ST7735
V1.7 119 2009-12-04
Table 10.2.2 Panel Function Command List (2)
Instruction Refer D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 Hex Function
0 ↑ 1 - 1 1 0 0 0 0 0 0 (C0h) Power control setting
1 ↑ 1 - 0 0 0 VRH4 VRH3 VRH2 VRH1 VRH0
PWCTR1 10.2.6
1 ↑ 1 - 0 1
IB-
SEL1
IB-
SEL0
0 0 0 0
VRH: Set the GVDD
voltage
0 ↑ 1 - 1 1 0 0 0 0 0 1 (C1h) Power control setting
PWCTR2 10.2.7
1 ↑ 1 - 0 0 0 0 0 BT2 BT1 BT0
BT: set VGH/ VGL
voltage
0 ↑ 1 - 1 1 0 0 0 0 1 0 (C2h)
In normal mode (Full
colors)
- 0 0 0 0 0
APA2
APA1
A
PA0
1 ↑ 1
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 DCA2 DCA1 DCA0
PWCTR3 10.2.8
1 ↑ 1
- 0 0 0 0 0 0 0 0
AP
A: adjust the
operational amplifier
DCA: adjust t
he booster
Voltage
0 ↑ 1 - 1 1 0 0 0 0 1 1 (C3h) In Idle mode (8-colors)
- 0 0 0 0 0
APB2
APB1
APB0
1 ↑ 1
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 DCB2 DCB1 DCB0
PWCTR4 10.2.9
1 ↑ 1
- 0 0 0 0 0 0 0 0
AP
B: adjust the
operational amplifier
DCB
: adjust the booster
Voltage
0 ↑ 1 - 1 1 0 0 0 1 0 0 (C4h)
In partial mode + Full
colors
1 ↑ 1 - 0 0 0 0 0
APC2
APC1
APC0
PWCTR5 10.2.10
1 ↑ 1 - 0 0 0 0 0 DCC2 DCC1 DCC0
AP
C: adjust the
operational amplifier
DCC
: adjust the booster
circuit for Idle mode
0 ↑ 1 - 1 1 0 0 0 1 0 1 (C5h) VCOM control 1
1 ↑ 1 - - VMH6 VMH5 VMH4 VMH3 VMH2 VMH1 VMH0
VMCTR1 10.2.11
1 ↑ 1 - - VML6 VML5 VML4 VML3 VML2 VML1 VML0
VMH: VCOMH voltage
control
VML: VCOML voltage
control
0 ↑ 1 - 1 1 0 0 0 1 1 1 (C7h) Set VCOM offset control
VMOFCTR 10.2.12
1 ↑ 1 - - - - VMF4 VMF3 VMF2 VMF1 VMF0
0 ↑ 1 - 1 1 0 1 0 0 0 1 (D1h) Set LCM version code
WRID2 10.2.13
1 ↑ 1 - - ID2[6] ID2[5] ID2[4] ID2[3] ID2[2] ID2[1] ID2[0]
“-“: Don’t care
Note 1: C0h to C7h are fixed for about power controller