TQ TQMa6ULxL, User Manual

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User's Manual l MBa6ULxL UM 0102 l © 2022, TQ-Systems GmbH Page 15
3.1.2 Boot-Mode configuration (continued)
The following table shows the pinout of connector X19.
Table 18: Pinout LCD interface, X19
Pin Signal TQMa6ULxL LCD channel RGB Remark
1 TOUCH_X– – – –
2 TOUCH_Y– – – Optional I2C4 SDA
3 – – –
4 – – Optional I2C4 CLK
5 LED_CTRL – – –
6 TOUCH_INT# – – –
7 VCC3V3 – – Backlight VCC
8 VCC3V3 – – Backlight VCC
9 GND – – –
10 GND – – –
11 VCC3V3 – – Digital VDD
12 LCD_PWR_CTRL – – 3.3 V
13 LCD_ENABLE U2 – 3.3 V
14 LCD_VSYNC U4 – 3.3 V
15 LCD_HSYNC U3 – 3.3 V
16 LCD_WAKE – – 3.3 V
17 LCD_CLK T1 – 3.3 V
18 GND – – –
19 LCD_DATA18 K3 R2 (LSB) –
20 LCD_DATA19 K4 R3 –
21 LCD_DATA20 J1 R4 –
22 LCD_DATA21 J2 R5 –
23 LCD_DATA22 J3 R6 –
24 LCD_DATA23 J4 R7 (MSB) –
25 GND – – –
26 LCD_DATA10 M1 G2 (LSB) –
27 LCD_DATA11 M3 G3 –
28 LCD_DATA12 M4 G4 –
29 LCD_DATA13 L1 G5 –
30 LCD_DATA14 L2 G6 –
31 LCD_DATA15 L3 G7 (MSB) –
32 GND – – –
33 LCD_DATA2 R3 B2 (LSB) –
34 LCD_DATA3 P1 B3 –
35 LCD_DATA4 P3 B4 –
36 LCD_DATA5 P4 B5 –
37 LCD_DATA6 N1 B6 –
38 LCD_DATA7 N2 B7 (MSB) –
39 LCD_RESET# T4 – 3.3 V
40 LCD.RESET# – – Not connected, optional
FFC connector type Hirose FH12A-40S-0.5SH (55) is assembled on the MBa6ULxL.
3.2.6 Touch controller
The i.MX6ULx Touch Screen Controller (TSC) signals are used for USB OTG. Therefore a separate TSC STMPE811 is assembled on
the MBa6ULxL. The STMPE811 is connected to I2C4 using address
0x41
.
3.2.7 Backlight control
Attention, TBD: The display brightness can be controlled at pin X19-5 with PWM signal PWM4 (TQMa6ULxL, pad H15).