ST7565P COG Graphic LCD Module 128×64 - RX12864A1

ST7565P COG Graphic LCD Module 2.24-inch 128x64 Display

Model No. RX12864A1

The RX12864A1 is a 2.24-inch 128×64 COG Graphic LCD Module powered by the ST7565P IC. With a module dimension of 60.1×44.5 mm and an active display area of 49.89×27.49 mm, this ST7565P LCD module ensures clear and reliable visual output. Supporting 6800, 8080, and 4-line SPI interfaces, it provides flexible connectivity for various embedded systems. Its LED backlight, 1/65 duty, and 1/9 bias enable uniform brightness and dependable display quality across multiple environments.

The ST7565P-based RX12864A1 operates within a wide temperature range of -20°C to +70°C and features low power consumption with a 2.7–3.3V logic voltage. Equipped with a built-in DC/DC voltage converter, this ST7565P LCD Module is ideal for portable instruments, industrial equipment, and battery-powered devices.

If you need technical support or product quotes for the RX12864A1 or other ST7565P LCD modules, please feel free to contact our sales team!

Data Source Ref: RX12864A1-YHY

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Datasheet

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General Specs
Interface Pin Function
Contour Drawing
Absolute Maximum Ratings
Electrical Characteristics

Item	Dimension	Unit
Structure	COG
Size (Diagonal)	2.24	inch
Dot Matrix / Resolution	128 × 64	dots
Module Dimension	60.1 × 44.5 × 5.01 (Max)	mm
Viewing Area	54.6 × 32.0	mm
Active Area	49.89 × 27.49	mm
Dot / Pixel Size	0.36 × 0.40	mm
Dot / Pixel Pitch	0.39 × 0.43	mm
IC	ST7565P
Interface	6800 / 8080 / SPI
Power Supply	3.3V
Duty	1/65 duty cycle, 1/9 Bias
Type	Graphic LCD Modules

6800 / 8080 / 4-Line SPI Interface Connection

Pin No.	Symbol	Level	Description
1	P/S	I	This is the parallel data input/serial data input switch terminal.
2	C86	I	This is the MPU interface switch terminal.
3	VR	I	Output voltage regulator terminal. Provides the voltage between VSS and V0 through a resistive voltage divider.
4~8	V0~V4	Power supply	This is a multi-level power supply for the liquid crystal drive.
9	CAP2N	O	DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2P terminal.
10	CAP2P	O	DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2N terminal.
11	CAP1P	O	DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1N terminal.
12	CAP1N	O	DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1P terminal.
13	CAP3P	O	DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1N terminal.
14	Vout	O	DC/DC voltage converter. Connect a capacitor between this terminal and vss or VDD
15	V_SS	Power supply	Ground
16	V_DD	Power supply	Power supply
17~24	D7~ D0	I/O	This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus.
25	/RD(E)	I	The data bus is in output status when this signal is "L".
26	/WR(R/W)	I	The data bus are latched at the rising edge of the WR signal
27	A0	I	This is connect to the least significant bit of the Norman MPU address bus, and it determines whether the data bits are data or a command.
28	/RES	I	When RES is set to "L", the setting are initialized.
29	/CS1	I	This is the chip select signal.

RX12864A1 Module Dimensions and Layout

ST7565P COG Graphic LCD Module 128×64 - RX12864A1 Contour Drawing - Raystar

ST7565P LCD Module Operating Limits

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	-	+70	℃
Storage Temperature	TST	-30	-	+80	℃
Power Supply Voltage	VDD	-0.3	-	3.6	V
Power Supply Voltage (VDD standard)	V0, VOUT	-0.3	-	14.5	V
Power Supply Voltage (VDD standard)	V1, V2, V3, V4	-0.3	-	V0+0.3	V

Power, Voltage, and Current Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	-	2.7	3.0	3.3	V
Supply Voltage For LCM	V0-VSS	Ta=-20℃ Ta=25℃ Ta=70℃	- 9.2 -	- 9.5 -	- 9.8 -	V V V
Input High Volt	VIH	-	0.8 VDD	-	VDD	V
Input Low Volt	VIL	-	Vss	-	0.2VDD	V
Output High Volt	VOH	IOUT=-0.5mA	0.8 VDD	-	VDD	V
Output Low Volt	VOL	IOUT=0.5mA	Vss	-	0.2VDD	V
Supply Current(No Include LED Backlight)	IDD	VDD=3.0V	-	0.10	2.0	mA