Graphic ST7565 Positive LCD (128x64) with RGB Backlight

128x64 monochrome graphic LCD based on the ST7565 controller, with a full RGB LED backlight adjustable via PWM. Daylight-readable dark-on-light pixels; includes a 4050 level-shifter IC for 5V MCU compatibility. Mounts via four holes; 11-pin 2 mm pitch breakout.

Logical pinout · physical placement not verified

/CS1
Chip select input, low active, from TG12864H3-03A interface description.
Type · Control
/RST2
Reset input, low level executes initialisation.
Type · Control
A03
Register select input: high selects display data, low selects control data.
Type · Analog
SCLK4
Serial input clock for the ST7565 LCD interface.
Type · SPI
SID5
Serial input data for the ST7565 LCD interface.
Type · Signal
VDD6
Logic power supply.
Type · PowerVoltage · 3.0V per TG12864H3-03A interface table.
VSS7
Ground reference.
Type · GroundVoltage · 0V
KLED-8
Cathode of LED backlight.
Type · GroundVoltage · 0V
ALED+9
Anode of LED backlight.
Type · PowerVoltage · +3.0V per TG12864H3-03A interface table.

Pin	Position	Type	Function	Voltage
/CS	1	Control	Chip select input, low active, from TG12864H3-03A interface description.
/RST	2	Control	Reset input, low level executes initialisation.
A0	3	Analog	Register select input: high selects display data, low selects control data.
SCLK	4	SPI	Serial input clock for the ST7565 LCD interface.
SID	5	Signal	Serial input data for the ST7565 LCD interface.
VDD	6	Power	Logic power supply.	3.0V per TG12864H3-03A interface table.
VSS	7	Ground	Ground reference.	0V
KLED-	8	Ground	Cathode of LED backlight.	0V
ALED+	9	Power	Anode of LED backlight.	+3.0V per TG12864H3-03A interface table.

Logical pinout · physical placement not verified

Pin details

9 connections

/CS
Chip select input, low active, from TG12864H3-03A interface description.
Control
1
/RST
Reset input, low level executes initialisation.
Control
2
A0
Register select input: high selects display data, low selects control data.
Analog
3
SCLK
Serial input clock for the ST7565 LCD interface.
SPI
4
SID
Serial input data for the ST7565 LCD interface.
Signal
5
VDD
Logic power supply.
PowerVoltage · 3.0V per TG12864H3-03A interface table.
6
VSS
Ground reference.
GroundVoltage · 0V
7
KLED-
Cathode of LED backlight.
GroundVoltage · 0V
8
ALED+
Anode of LED backlight.
PowerVoltage · +3.0V per TG12864H3-03A interface table.
9

Start wiring

SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout

Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…

Module pins: VDD, A / LED+, VSS, K / LED-, SCLK, SID. Schematik maps them to your board in the app.

TFT & LCD

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