CFAG12864Ux and CFAG12864Tx family of displays

Example Seeeduino (Arduino clone) code for the Crystalfontz CFAG12864T and CFAG12864U family of displays. These displays come in relfective and transflective models, are extremely low power, and have slim designs. They also come with optional carrier boards and development kits for quick product evaluation. Full part numbers and links to the products can be found below.

Displays without carrier boards can be found here:

CFAG12864T3-TFH - 1.1" transflective

CFAG12864T3-NFH - 1.1" reflective

CFAG12864T4-NFI - 1.1" reflective with transmissive polarizer

CFAG12864U3-TFH - 2.2" transflective

CFAG12864U3-NFH - 2.2" reflective

CFAG12864U4-NFI - 2.2" reflective with transmissive polarizer

Kits for these products can be found here:

Low Power Transflective Graphic LCD Module (CFAG12864T3-NFH-E1-1)

Low Power Transflective LCD Dev Kit (CFAG12864T3-NFH-E1-2)

128x64 Backlit Transflective LCD with Breakout Board (CFAG12864T3-TFH-E1-1)

Small Backlit Monochrome LCD Dev Kit (CFAG12864T3-TFH-E1-2)

Low Power Transflective LCD Display Module (CFAG12864U3-NFH-E1-1)

Low Power Monochrome LCD Dev Kit (CFAG12864U3-NFH-E1-2)

128x64 Monochrome Transflective Backlit LCD Module (CFAG12864U3-TFH-E1-1)

128x64 Transflective Backlit LCD Development Kit (CFAG12864U3-TFH-E1-2)

Edit LCD_low.h to reflect the appropriate base display (either CFAG12864T3, CFAG12864T4, CFAG12864U3 or CFAG12864U4) for the correct initialization.

Connection Details

To CFA10110 Adapter Board (See kits above)

SPI Configuration

10110 Pin	Seeeduino Pin	Connection Description
1 GND	GND	Ground
2 3v3	3v3	Voltage in
3 RES	D9	Reset pin
4 DNC	DNC	Do not connect
5 DC (RS)	D8	Data or Command Register Select
6 CS	D10	Chip Select
7 RD/E	DNC	Read (8080) or Enable (6800)
8 WR/RW	DNC	Write (8080) or Read/Write (6800)
9 D0	DNC	Data pin 0
10 D1	DNC	Data pin 1
11 D2	DNC	Data pin 2
12 D3	DNC	Data pin 3
13 D4	DNC	Data pin 4
14 D5	DNC	Data pin 5
15 D6/CLK	D13	Data pin 6 or Clock pin for SPI
16 D7/MOSI	D11	Data pin 7 or MOSI pin for SPI

Parallel Configuration

This code currently only demonstrates using the SPI interface.

To the display ZIF tail

SPI Configuration

CFAG12864[T/U] Pin	Seeeduino Pin	Connection Description
1 3v3	3v3	Voltage in
2 GND	GND	Ground
3 CS	D10	Chip Select
4 CS	D10	Chip Select
5 RES	D9	Reset pin
6 DC (RS)	D8	Data or Command Register Select
7 WR/RW	DNC	Write (8080) or Read/Write (6800)
8 RD/E	DNC	Read (8080) or Enable (6800)
9 D0	DNC	Data pin 0
10 D1	DNC	Data pin 1
11 D2	DNC	Data pin 2
12 D3	DNC	Data pin 3
13 D4	DNC	Data pin 4
14 D5	DNC	Data pin 5
15 D6/CLK	D13	Data pin 6 or Clock pin for SPI
16 D7/MOSI	D11	Data pin 7 or MOSI pin for SPI
17 C86	3v3	Selects between 8080 and 6800 when in parallel mode
18 P/S	GND	Selects between parallel and SPI mode

Parallel Configuration

This code currently only demonstrates using the SPI interface.