User guide
Evaluation Kit Hardware
Evaluation Kit (EK) User Guide 4-37
11115A–ATARM–27-Jul-11
4.3.3.12 SD/MMC Interface
The Evaluation Kit has two high-speed MultiMedia Card Interfaces (MCI). The first interface is used as a
4-bit interface (MCI0), connected to a MicroSD card slot. The second interface is used as a 4-bit inter-
face (MCI1), connected to an SD/MMC card slot.
The memory card is not included in the Evaluation Kit.
Please note that the power is connected to VCC, which is 3.3 volts.
Figure 4-31. SD/MMC Interface
PA15
PA17
PA16
PA20
PA19
SW1
SW2
J6
PJS008-2110-0
8
5
7
6
4
3
2
1
9
13
12
11
10
14
PA18
VDDNF VDDIOP0
Micro SD
RR1 27R
1
2
3
4 5
6
7
8
R10
68k
RR2 27R
1
2
3
4 5
6
7
8
R12
68k
R11
68k
R13
68k
C11
100n
(MCI0_DA1)
(MCI0_DA2)
(MCI0_DA3)
(MCI0_CDA)
(MCI0_CK)
(MCI0_DA0)
(MCI0_CD)
R9
10k
R14
10k
PD15
PA11
PA13
PA12
PA4
PA3
PD14
(MCI1_CD)
(MCI1_WP)
RR5
27R
1
2
3
4 5
6
7
8
RR427R
1
2
3
4 5
6
7
8
(MCI1_DA1)
(MCI1_DA2)
(MCI1_DA3)
(MCI1_CDA)
(MCI1_CK)
(MCI1_DA0)
R15
68k
RR3
10k
1
2
3
4 5
6
7
8
R16
68k
PA2
R17
68k
R18
68k
C12
100n
3V3
DAT3
DAT2
DAT1
DAT0
CMD
CLK
VDD
VSS
VSS
CD
WP
GND
GND
SH
SH
J7
7SDCN-B0-0101-F
8
5
7
6
4
3
2
1
9
13
12
11
10
14
15
JP6
SIP2
1 2
VDDIOP0 VDDNF