UM1018 Hardware and layout
Doc ID 18141 Rev 1 15/44
2.15 Display and input devices
The display devices are:
● 2.4" color TFT LCD, connected to the SPI1 port of the STM32L152VBT6.
● 4 general purpose color LED's (LD 1,2,3,4).
LD3 and LD4 are disabled by default; JP18 and JP19 must be closed to enable these
two LEDs.
The input devices are:
● 4-direction joystick (U30) with selection key
● Wakeup button (B2)
Table 11. 2.4" TFT LCD module CN14
Pin on CN3 Description Pin connection
1CS PH2
2 SCL PE13
3 SDI PE15
4RS -
5WR -
6RD -
7 SDO PE14
8 RESET RESET#
9VDD 3.3V
10 VCI 3.3V
11 GND GND
12 GND GND
13 BL_VDD 5V
14 BL_Control 5V
15 BL_GND GND
16 BL_GND GND