Digi ConnectCore Hardware Reference Manual page 105

For i.mx51
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About the development board
The voltage level of the data, address and control signals provided by the module is +1.8V. A level
shifter is provided on the development board to buffer and change the voltage level of most peripheral
application signals on this header to +3.3V.
The Data bus signals D0 - D15 are connected to the i.MX51 data bus signals D16 - D31.
The Address bus signals A0 - A9 are connected to the i.MX51 data/address bus signals DA0 - DA9.
The BE2# signal is connected to the i.MX51 byte enable 2 (D16 - D23).
The BE3# signal is connected to the i.MX51 byte enable 3 (D24 - D31).
ConnectCore for i.MX51 Hardware Reference Manual
Pin Signal
3
D1
5
D3
7
D4
9
D6
11
GND
13
D9
15
D11
17
D12
19
D14
21
GND
23
GND
25
+3.3V
27
A1
29
A3
31
A4
33
A6
35
GND
37
A9
39
CS0#
41
WE#
2
43
I2C
_SCL/GPIO1_2 44
45
+3.3V
47
BE2#
49
BCLK
Peripheral application header
Pin Signal
4
D2
6
GND
8
D5
10
D7
12
D8
14
D10
16
GND
18
D13
20
D15
22
8-bit / 16-bit (default)
24
+3.3V
26
A0
28
A2
30
GND
32
A5
34
A7
36
A8
38
GND
2
40
I2C
_SDA/GPIO1_3
42
OE#
GPIO3_2
46
+3.3V
48
BE3#
50
GND
105

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