STMicroelectronics 32L4R9IDISCOVERY - DSI Display, Backlight and Touch Panel Connector CN4; Figure 10. DSI Display Connector CN4; Table 15. DSI Display Connector CN4

Connectors UM2271
30/78 DocID030906 Rev 2
11.2 DSI display, backlight and touch panel connector CN4
All the necessary signals to interface with round DSI display board are available through the
DSI V3 connector CN4.
Figure 10. DSI display connector CN4
06Y9
ϭ
Ϯ
ϲϬ
ϱϵ
Table 15. DSI display connector CN4
Function GPIO port Signal name
CN6 pin
number
Signal name GPIO port Function
General ground - GND 1 2 NC - -
Differential DSI
clock
- DSI_CK_P 3 4 TOUCH_INT MFX_GPIO9
Touch panel
interrupt
Differential DSI
clock
- DSI_CK_N 5 6 GND -
General
ground
reference
General ground - GND 7 8 DSI_D2_P -
Not
connected
Differential DSI
data 0
- DSI_D0_P 9 10 DSI_D2_N -
Not
connected
-DSI_D0_N1112GND -
General
ground
General ground - GND 13 14 DSI_D3_P -
Not
connected
Differential DSI
data 1
- DSI_D1_P 15 16 DSI_D3_N -
Not
connected
-DSI_D1_N1718GND -
General
ground
General ground - GND 19 20 NC - -
Power output - +5v 21 22 SPI_CS PH14
SPI chip
select