Datasheet

ST7735
V1.7 156 2009-12-04
11.2.1 EXTERNAL COMPONENTS CONNECTION
Pad Name Connection
Rated (Min)
Voltage
Typical
capacitance value
VDDI VDDI (Logic Power) 6.3V 1.0 uF
VDD VDD (Analog Power) 6.3V 1.0 uF
VCC Connect to Capacitor: VCC -------||-------- GND 6.3V 1.0 uF
C41P, C41N Connect to Capacitor: C41P -------||--- -----C41N 6.3V 1.0 uF
C22P, C22N Connect to Capacitor: C22P -------||--------C22N 25.0V; 16.0V* 0.1 uF
C23P, C23N Connect to Capacitor: C23P -------||--- -----C23N 25.0V; 16.0V* 0.1 uF
C11P, C11N Connect to Capacitor: C11P -------||--------C11N 6.3V 1.0 uF
AVDD Connect to Capacitor: AVDD -------||-------- GND 6.3V 1.0 uF
VGH Connect to Capacitor: VGH -------||-------- GND 25.0V; 16.0V* 0.1 uF
VGL Connect to Capacitor: VGL -------||-------- GND 25.0V; 16.0V* 0.1 uF
VCL Connect to Capacitor: VCL -------||-------- GND 6.3V 1.0 uF
VCOMH Connect to Capacitor: VCOMH-------||--------- GND 6.3V 1.0 uF
VCOML Connect to Capacitor: VCOML -------||-------- GND 6.3V 1.0 uF
Note: For the typical specification of capacitor, the surge voltage is 125% of rated voltage. The capacitor of rated voltage of 16V can be
only used for the case of VGH < 12.8V and VGL > -12.8V to prevent from stability issue. For normal usage, please use the
capacitor of 25V rating.