Datasheet

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Pin Number Name Type
(1)
Description HSMCI Pin Name
(2)
(Slot z)
4 VDD S Supply voltage VDD
5 CLK O Clock MCCK
6 VSS2 S Supply voltage ground VSS
7 DAT[0] I/O/PP Data 0 MCDz0
8 DAT[1] I/O/PP Data 1 MCDz1
9 DAT[2] I/O/PP Data 2 MCDz2
Note:
1.
I: Input, O: Output, PP: Push/Pull, OD: Open Drain, S: Supply
2. When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to
HSMCIx_CDA, MCDAy to HSMCIx_DAy.
Figure 40-4. MMC Bus Connections (One Slot)
MCCDA
MCDA0
MCCK
HSMCI
2 3 4 5 61 7
MMC1
9 1011 1213 8
2 3 4 5 61 7
MMC2
9 1011 1213 8
2 3 4 5 61 7
MMC3
9 1011 1213 8
Note: When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to
HSMCIx_CDA MCDA
y to HSMCIx_DAy.
Figure 40-5. SD Memory Card Bus Topology
2 3 4 5 61 7 8
SD CARD
9
The SD Memory Card bus includes the signals listed in the table below.
T
able 40-3. SD Memory Card Bus Signals
Pin Number Name Type
(1)
Description HSMCI Pin Name
(2)
(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 O Clock MCCK
SAM E70/S70/V70/V71 Family
High-Speed Multimedia Card Interface (HSMCI)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 929