ST7781
The following table shows specifications of external elements connected to the ST7781 power supply circuit.
Items
Recommended Specification
Pin Connection
GVDD, VCI1, VCC, VCL, VCOMH,
VCOML, C11P/N, C12P/N, C21P/N, AVDD
6.3 V
1 ꢀF Capacity
10 V
C22P/N ,C23P/N
25 V
VGH, VGL
Schottky Diode
VF<0.4V/20mA at 25°C, VR ≥30V
(GND – VGL),
Table 17.1.1: Outside Compoments
17.2. Standby Mode
IntoꢁStandbyꢁflow
ExitꢁStandbyꢁflow
PowerꢁSupplyꢁ
Setting
DisplayꢁOffꢁ
SetꢁSTB
(STB=0)
SetꢁSTB
(STB=1)
DisplayꢁOnꢁ
IntoꢁStandbyꢁmode
Normalꢁmode
Fig.17.2 Standby Mode Register Setting Sequence
Ver. 1.7
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