User's Manual l MBa6ULxL UM 0101 l © 2018, TQ-Systems GmbH
Page 15
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.
4.2.6
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
.
4.2.7
Backlight control
Attention, TBD: The display brightness can be controlled at pin X19-5 with PWM signal PWM4 (TQMa6ULxL, pad H15).