Preliminary_DEV-i.MX53_HUM_V1.2.docx
24
Pin No
Signal
Type
Description
37
P_SW3_2V5
PWR
Power Supply
38
NC
NC
Not Connected
39
GND
PWR
Power Ground
40
ECSPI2.MOSI
O
SPI MOSI
41
ECSPI2.MISO
I
SPI MISO
42
ECSPI2.SS1
O
SPI Select1
43
ECSPI2.SS2
O
SPI Select2
44
NC
NC
Not Connected
45
ECSPI2.SCLK
O
SPI CLK
46
3V3
PWR
Power Supply
47
3V3
PWR
Power Supply
48
GND
PWR
Power Ground
49
GND
PWR
Power Ground
50
GND
PWR
Power Ground
51
GND
PWR
Power Ground
52
GND
PWR
Power Ground
53
GND
PWR
Power Ground
54
VIN
PWR
Power Supply
55
VIN
PWR
Power Supply
56
ECSPI1.SCLK
O
SPI CLK
57
NC
NC
Not Connected
58
ECSPI1.SS1
O
SPI Select1
59
ECSPI1.SS0
O
SPI Select0
60
ECSPI1.MISO
I
SPI MISO
61
ECSPI1.MOSI
O
SPI MOSI
62
GND
PWR
Power Ground
63
ADIN4
I
Vin4 (AD7993)
64
ADIN3
I
Vin3 (AD7993)
65
ADIN2
I
Vin2 (AD7993)
66
ADIN1
I
Vin1 (AD7993)
67
SD2.D7
IO
SD Data7 / GPIO2_15
68
SD2.D6
IO
SD Data6 / GPIO2_14
69
SD2.D5
IO
SD Data5 / GPIO2_13
70
SD2.D4
IO
SD Data4 / GPIO2_12
71
SD2.D3
IO
SD Data3 / GPIO1_12
72
SD2.D2
IO
SD Data2 / GPIO1_13
73
SD2.D1
IO
SD Data1 / GPIO1_14
74
SD2.D0
IO
SD Data0 / GPIO1_15
75
GND
PWR
Power Ground
76
SD2.CLK
O
SD Clock / GPIO1_10
77
SD2.CMD
O
SD Command / GPIO1_11
78
GND
PWR
Power Ground
79
SD2.WP
I
SD Card Detect / GPIO2_31
80
SD2.CD
I
SD Write Protect / GPIO1_2
81
P_SW3_2V5
PWR
Power Supply
82
GPIO.(2V5)_3
IO
GPIO5_13
83
GPIO.(2V5)_2
IO
GPIO1_18
84
GPIO.(2V5)_1
IO
GPIO1_17
85
GPIO.(2V5)_0
IO
GPIO1_16
