Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos
Los códigos de productos
ATSAM4S-XPLD
813
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
Figure 37-4. MMC Bus Connections (One Slot)
Note:
When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to
HSMCIx_CDA MCDAy to HSMCIx_DAy.
HSMCIx_CDA MCDAy to HSMCIx_DAy.
Figure 37-5. SD Memory Card Bus Topology
Notes: 1.
I: input, O: output, PP: Push Pull, OD: Open Drain.
2.
When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to
HSMCIx_CDA, MCDAy to HSMCIx_DAy.
HSMCIx_CDA, MCDAy to HSMCIx_DAy.
Table 37-5. SD Memory Card Bus Signals
Pin
Number
Number
Name
Type
Description
HSMCI Pin Name
(Slot z)
1
CD/DAT[3]
I/O/PP
Card detect/ Data line Bit 3
MCDz3
2
CMD
PP
Command/response
MCCDz
3
VSS1
S
Supply voltage ground
VSS
4
VDD
S
Supply voltage
VDD
5
CLK
I/O
Clock
MCCK
6
VSS2
S
Supply voltage ground
VSS
7
DAT[0]
I/O/PP
Data line Bit 0
MCDz0
8
DAT[1]
I/O/PP
Data line Bit 1 or Interrupt
MCDz1
9
DAT[2]
I/O/PP
Data line Bit 2
MCDz2
MCCDA
MCDA0
MCCK
HSMCI
2 3 4 5 6
1
7
MMC1
9 1011
1213 8
2 3 4 5 6
1
7
MMC2
9 1011
1213 8
2 3 4 5 6
1
7
MMC3
9 1011
1213 8
2 3 4 5 6
1
7 8
SD CARD
9