ST X-NUCLEO-GFX01M1, User Manual

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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
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