ST X-NUCLEO-GFX01M1 Manuale utente
Introduction
The X-NUCLEO-GFX01M1 expansion board adds graphic user interface (GUI) capability to STM32 Nucleo boards.
It features a 2.2” SPI QVGA TFT display as well as a 64-Mbit SPI NOR Flash memory for storing graphic images, texts and
texture. The expansion board also offers a joystick for GUI navigation.
X-NUCLEO-GFX01M1 uses the ST morpho connector. It is compatible with the NUCLEO-F030R8, NUCLEO-F070RB,
NUCLEO-F072RB, NUCLEO-F091RC, NUCLEO-F401RE, NUCLEO-F410RB, NUCLEO-F411RE, NUCLEO-F446RE,
NUCLEO-G071RB, NUCLEO-L053R8, NUCLEO-L073RZ, NUCLEO-L412RB-P, NUCLEO-L433RC-P, NUCLEO-L452RE,
NUCLEO-L452RE-P and NUCLEO-L476RG Nucleo boards.
Figure 1. X-NUCLEO-GFX01M1 top view Figure 2. X-NUCLEO-GFX01M1 bottom view
Pictures are not contractual.
SPI display expansion board for STM32 Nucleo
UM2750
User manual
UM2750 - Rev 1 - August 2020
For further information contact your local STMicroelectronics sales office. www.st.com
1Features
• 2.2” SPI QVGA TFT LCD
• 64-Mbit SPI NOR Flash memory
• Joystick for easy menu navigation
• Compatible with selected STM32 Nucleo boards using the ST morpho interface
UM2750
Features
UM2750 - Rev 1 page 2/21
2Ordering information
To order the X-NUCLEO-GFX01M1 module, refer to Table 1.
Table 1. Ordering information
Order code Board reference Target STM32
X-NUCLEO-GFX01M1 MB1642 Not applicable
The STM32 Nucleo boards feature STM32 32-bit microcontrollers based on the Arm® Cortex®‑M processor.
Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
2.1 Product marking
The sticker located on the top or bottom side of the PCB board shows the information about product identification
such as board reference, revision and serial number.
The first identification line has the following format: “MBxxxx-Variant-yzz”, where “MBxxxx” is the board reference,
“Variant” (optional) identifies the mounting variant when several exist, "y" is the PCB revision and "zz" is the
assembly revision: for example B01.
The second identification line is the board serial number used for traceability.
Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference
design or in production. Any consequences deriving from such usage will not be at ST charge. In no event, ST will
be liable for any customer usage of these engineering sample tools as reference designs or in production.
“E” or “ES” marking examples of location:
• On the targeted STM32 that is soldered on the board (For an illustration of STM32 marking, refer to the
STM32 datasheet “Package information” paragraph at the www.st.com website).
• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.
UM2750
Ordering information
UM2750 - Rev 1 page 3/21
3Development environment
3.1 Demonstration software
The demonstration software supporting the X-NUCLEO-GFX01M1 expansion board is available from the X-
CUBE-DISPLAY STM32Cube Expansion Package and must be programmed into the corresponding Nucleo
board. The latest versions of the demonstration source code and associated documentation can be downloaded
from www.st.com.
UM2750
Development environment
UM2750 - Rev 1 page 4/21
4Quick start
Before the first use, make sure that no damage occurred to the board during shipment:
• All socketed components must be firmly secured in their sockets
• Nothing should be loose in the board plastic bag or in the box
To start using the X-NUCLEO-GFX01M1 expansion board, follow the steps below:
1. Plug the board on a compatible STM32 Nucleo development board
2. Download the evaluation firmware and full set of documentation from www.st.com/x-cube-display and
program the target device
3. Evaluate the graphic possibilities of STM32 devices combined with the TouchGFX Engine graphic library in
X-CUBE-TOUCHGFX or develop your own application
UM2750
Quick start
UM2750 - Rev 1 page 5/21
5Hardware layout and configuration
Figure 3 and Figure 4 help users to locate the different features on the X-NUCLEO-GFX01M1 board. The
mechanical dimensions of the X-NUCLEO-GFX01M1 product are shown in Figure 5.
Figure 3. X-NUCLEO-GFX01M1 PCB layout: top side
2.2" SPI QVGA
TFT LCD
Menu navigation
joystick
UM2750
Hardware layout and configuration
UM2750 - Rev 1 page 6/21
Figure 4. X-NUCLEO-GFX01M1 PCB layout: bottom side
64-Mbit SPI NOR
Flash memory
LCD ZIF
connector
ST morpho
connectors
UM2750
Hardware layout and configuration
UM2750 - Rev 1 page 7/21
Figure 5. X-NUCLEO-GFX01M1 mechanical drawing
UM2750
Hardware layout and configuration
UM2750 - Rev 1 page 8/21
5.1 Power supply
The X-NUCLEO-GFX01M1 is directly powered by a 3.3 V power supply provided by the Nucleo development
board through pin 16 of the CN2 connector.
5.2 SPI QVGA TFT LCD (LCD1)
5.2.1 Description
The SPI QVGA TFT LCD is connected to a first SPI interface (SPIA) of the STM32 device.
5.2.2 Operating voltage
The LCD is designed to operate only with a 3.3 V compatible SPI and GPIO interface.
5.2.3 I/O interface
Table 2. I/O configuration of the LCD
Pin number Pin name Signal name STM32 GPIO Function
1 LED_K4 - - Display backlight LED4 cathode
2 IM0 GND -
System interface selection: 4-line 8-bit data SPI mode
3 IM1 3V3 -
4 IM2 3V3 -
5 IM3 3V3 -
6 RESET DISP_NRESET_PA1 PA1(1) (2) Reset active low
7 - 28 - - - Not connected
29 SDO SPIA_MISO_PA6_PB14 PA6(1)
PB14(2) SPI master in/slave out
30 SDI SPIA_MOSI_PA7_PB15 PA7(1)
PB15(2) SPI master out/slave in
31 RD - - Not connected
32 RS/SCL SPIA_SCK_PA5_PB13 PA5(1)
PB13(2) SPI serial clock
33 WR SPIA_DCX_PB3_PB3 PB3(1) (2) SPI write enable
34 CS SPIA_NCS_PB5_PB5 PB5(1) (2) SPI chip select active high
35 FMARK DISP_TE_PA0 PA0(1) (2) Tearing effect output pin to synchronize MCU on frame
writing
36 VCC 3V3 - 3.3V power supply
37 GND GND - Ground
38 LED_A 3V3 - Display backlight LED common anode
39 LED_K1 - - Display backlight LED1 cathode
40 LED_K2 - - Display backlight LED2 cathode
41 LED_K3 - - Display backlight LED3 cathode
42 - 45 - - - Not connected
1. STM32 GPIO for NUCLEO-F030R8, NUCLEO-F070RB, NUCLEO-F072RB, NUCLEO-F091RC, NUCLEO-F401RE,
NUCLEO-F410RB, NUCLEO-F411RE, NUCLEO-F446RE, NUCLEO-G071RB, NUCLEO-L053R8, NUCLEO-L073RZ,
NUCLEO-L452RE and NUCLEO-L476RG.
2. STM32 GPIO for NUCLEO-L412RB-P, NUCLEO-L433RC-P and NUCLEO-L452RE-P.
UM2750
Power supply
UM2750 - Rev 1 page 9/21
5.3 SPI NOR Flash memory (U1)
5.3.1 Description
The 64-Mbit SPI NOR Flash memory is connected to a second SPI interface (SPIB) of the STM32 device and can
be used to store graphic objects. The use of a second SPI ensures optimum data transfer between the Flash
memory and the LCD display.
5.3.2 Operating voltage
The NOR Flash memory is designed to operate only with a 3.3 V SPI interface.
5.3.3 I/O interface
Table 3. I/O configuration of the NOR Flash memory
Pin number Pin name Signal name STM32 GPIO Function
1 CS# SPIB_NCS_PB9_PB7 PB9(1)
PB7(2) SPI chip select active high
2 SO SPIB_MISO_PC2_PA6 PC2(1)
PA6(2) SPI master in/slave out
3 WP# - - Write protection feature disabled
4 GND GND - Ground
5 SI SPIB_MOSI_PC3_PA12 PC3(1)
PA12(2) SPI master out/slave in
6 SCLK SPIB_SCK_PB13_PA5 PB13(1)
PA5(2) SPI chip select active low
7 HOLD# - - Pause feature disabled
8 VCC 3V3 - 3.3V power supply
1. STM32 GPIO for NUCLEO-F030R8, NUCLEO-F070RB, NUCLEO-F072RB, NUCLEO-F091RC, NUCLEO-F401RE,
NUCLEO-F410RB, NUCLEO-F411RE, NUCLEO-F446RE, NUCLEO-G071RB, NUCLEO-L053R8, NUCLEO-L073RZ,
NUCLEO-L452RE and NUCLEO-L476RG.
2. STM32 GPIO for NUCLEO-L412RB-P, NUCLEO-L433RC-P and NUCLEO-L452RE-P.
5.4 Joystick (B1)
5.4.1 Description
The joystick (B1) allows the navigation within the menu displayed on the LCD.
5.4.2 I/O interface
Table 4. I/O configuration of the joystick
Pin number Pin name Signal name STM32 GPIO Function
1 LEFT KEY_LEFT_PC9 PC9 Joystick left direction (active low)
2 CENTER KEY_CENTER_PC8 PC8 Joystick center (active low)
3 DOWN KEY_DOWN_PC10 PC10 Joystick down direction (active low)
4 UP KEY_UP_PC12 PC12 Joystick up direction (active low)
5 COMMON GND - Common connected to ground
6 RIGHT KEY_RIGHT_PC11 PC11 Joystick right direction (active low)
UM2750
SPI NOR Flash memory (U1)
UM2750 - Rev 1 page 10/21
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