Pin Number
Signal Name
I/O
Function
21
LCD_LD7
Out
Connected to LD7 pin on i.MX257
22
LCD_LD8
Out
Connected to LD8 pin on i.MX257
23
LCD_LD9
Out
Connected to LD9 pin on i.MX257
24
LCD_LD10
Out
Connected to LD10 pin on i.MX257
25
LCD_LD11
Out
Connected to LD11 pin on i.MX257
26
GND
Power
Power (GND)
27
LCD_LD12
Out
Connected to LD12 pin on i.MX257
28
LCD_LD13
Out
Connected to LD13 pin on i.MX257
29
LCD_LD14
Out
Connected to LD14 pin on i.MX257
30
LCD_LD15
Out
Connected to LD15 pin on i.MX257
31
LCD_LD16
Out
Connected to GPIO_E pin on i.MX257
32
LCD_LD17
Out
Connected to GPIO_F pin on i.MX257
33
GND
Power
Power (GND)
34
TOUCH_XP
In/Out
Connected to XP pin on i.MX257
35
TOUCH_XN
In/Out
Connected to XN pin on i.MX257
36
TOUCH_YP
In/Out
Connected to YP pin on i.MX257
37
TOUCH_YN
In/Out
Connected to YN pin on i.MX257
38
GND
Power
Power (GND)
39
EXT_IO24
In/Out
Expansion I/O 24, connected to DE_B pin on i.MX257
40
EXT_IO25
In/Out
Expansion I/O 25, connected to KPP_ROW0 pin on i.MX257
41
EXT_IO26
In/Out
Expansion I/O 26, connected to KPP_ROW1 pin on i.MX257
42
EXT_IO27
In/Out
Expansion I/O 27, connected to KPP_ROW2 pin on i.MX257
43
EXT_IO28
In/Out
Expansion I/O 28, connected to KPP_ROW3 pin on i.MX257
44
EXT_IO29
In/Out
Expansion I/O 29, connected to KPP_COL0 pin on i.MX257
45
EXT_IO30
In/Out
Expansion I/O 30, connected to KPP_COL1 pin on i.MX257
46
EXT_IO31
In/Out
Expansion I/O 31, connected to KPP_COL2 pin on i.MX257
47
EXT_IO32
In/Out
Expansion I/O 32, connected to KPP_COL3 pin on i.MX257
48
EXT_IO33
In/Out
Expansion I/O 33, connected to GPIO_A pin on i.MX257
49
EXT_IO34
In/Out
Expansion I/O 34, connected to GPIO_B pin on i.MX257
50
GND
Power
Power (GND)
5.17 CON11 Signal Multiplex
Pin
Number
Signal Name
Multiplex Modes
[1]
ALT0
ALT1
ALT2
ALT3
ALT4
ALT5
1
VIN
2
VIN
3
VIN
4
+3.3V_IO
5
+3.3V_IO
6
GND
7
GND
8
LCD_LSCLK
LSCLK
SLCDC_CS
9
LCD_HSYN
HSYN
10
LCD_VSYN
VSYN
Armadillo-400 Series Hardware Manual
Interface Specifications
27