Evaluation Kit Hardware
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
VDDNF
R9
10k
R10 R11 R12 R13
R14
VDDIOP0
10k
68k 68k 68k 68k
PD15
PA18
PA15
PA17
PA16
PA20
PA19
(MCI0_CD)
(MCI0_DA1)
(MCI0_DA0)
(MCI0_CK)
(MCI0_CDA)
(MCI0_DA3)
(MCI0_DA2)
RR1
1
2
3
4
1
2
3
4
RR2
27R
8
7
6
5
8
7
6
5
27R
C11
100n
J6
10
8 SW2
7
6
5
4
3
2
1
9
Micro SD
PJS008-2110-0
11
12
13
14
VDDIOP0
VDDNF
1
JP6
2
R15 R16 R17 R18
RR3
PD14
SIP2
(MCI1_WP)
(MCI1_CD)
68k 68k 68k 68k
10k
PA2
PA11
(MCI1_DA1)
(MCI1_DA0)
RR4 27R
1
2
3
8
7
6
8
7
6
J7
DAT1
DAT0
PA13
PA12
PA4
PA3
(MCI1_CK)
(MCI1_CDA)
(MCI1_DA3)
(MCI1_DA2)
4
1
2
3
4
5
8 RR5
7 27R
6
5
3V3
5
4
3
2
1
9
VSS
CLK
VDD
VSS
CMD
DAT3
DAT2
CD
WP
GND
GND
SH
SH
10
11
12
13
14
15
Evaluation Kit (EK) User Guide
C12
100n
7SDCN-B0-0101-F
4-37
11115A–ATARM–27-Jul-11
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