SAMA5D3 Xplained [USER GUIDE]
Atmel-11269D-ATARM-SAMA5D3-Xplained-XPLD-User Guide_07-Sep-15
16
Figure 4-8.
J10 SD Card Schematic
4.2.6.2 J11 SD Card Slot (optional)
When a card is inserted into the Micro SD connector, the Card Detect pin is tied to ground. This is detected on pin
PE1 of the main processor.
Figure 4-9.
J11 Micro SD Card Schematic
4.2.7
Serial Peripheral Interface (SPI)
The SAMA5D3X-series processor features two high-speed Serial Peripheral Interfaces. One port is used to
interface with the optional on-board serial DataFlash®.
There are four main signals used in the SPI interface; Clock, Data In, Data Out, and Chip Select.
VDDIOP1
VDD_MCI0
VDDIOP1
VDDIOM
PD1
[7]
PE2 [7]
PD9
[7]
PD0
[7]
PD4
[7]
PD3
[7]
PE0
[7]
PD6
[7]
PD7
[7]
PD8
[7]
PD5
[7]
PD2
[7]
(MCI0_CD)
(MCI0_WP)
(MCI0_DA1)
(MCI0_DA0)
(MCI0_CK)
(MCI0_CDA)
(MCI0_DA3)
(MCI0_DA2)
(MCI0_DA4)
(MCI0_DA5)
(MCI0_DA7)
(MCI0_DA6)
C108
10uF
C108
10uF
R55
DNP(4.7K)
R55
DNP(4.7K)
R122
68K
R122
68K
R182
22R
R182
22R
R127
68K
R127
68K
J10
7SDMM-B0-2211
J10
7SDMM-B0-2211
8
5
7
6
4
3
2
1
9
14
15
16
13
12
11
10
R54
10K
R54
10K
R124
68K
R124
68K
R53
100K 1%
R53
100K 1%
R57 0R
R57 0R
R126
68K
R126
68K
R121
68K
R121
68K
Q3
IRLML6402
Q3
IRLML6402
1
3
2
R123
68K
R123
68K
R56
10K
R56
10K
R128
68K
R128
68K
C109
100nF
C109
100nF
R125
68K
R125
68K
VDDIOM
VDDIOP1
PB20
[7]
PB21
[7]
PB22
[7]
PB23
[7]
PB19
[7]
PB24
[7]
PE1
[7]
(MCI1_DA1)
(MCI1_CK)
(MCI1_CDA)
(MCI1_DA3)
(MCI1_DA2)
(MCI1_CD)
(MCI1_DA0)
Micro SD CARD INTERFACE - MCI1
C110
10uF
C110
10uF
R183
22R
R183
22R
J11
DNP(MCTF-0403)
J11
DNP(MCTF-0403)
DAT0
7
DAT1
8
DAT2
1
DAT3
2
VDD
4
VSS
6
CD
9
PGND
10
PGND
11
PGND
12
PGND
13
NC
14
NC
15
CMD
3
CLK
5
R129
68K
R129
68K
R59
10K
R59
10K
R58
10K
R58
10K
R130
68K
R130
68K
R112
DNP(6
8K)
R112
DNP(6
8K)
R131
68K
R131
68K
R132
68K
R132
68K
C111
100nF
C111
100nF
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