Datasheet

SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
748
Figure 39-4. MMC Bus Connections (One Slot)
Note: When several MCI (x MCI) are embedded in a product, MCCK refers to MCIx_CK, MCCDA to MCIx_CDA MCDAy to
MCIx_DAy.
Figure 39-5. SD Memory Card Bus Topology
The SD Memory Card bus includes the signals listed in Table 39-3.
Notes: 1. I: Input, O: Output, PP: Push Pull, OD: Open Drain
2. When several MCI (x MCI) are embedded in a product, MCCK refers to MCIx_CK, MCCDA to MCIx_CDA,
MCCDB to MCIx_CDB, MCDAy to MCIx_DAy, MCDBy to MCIx_DBy.
Figure 39-6. SD Card Bus Connections with One Slot
Note: When several MCI (x MCI) are embedded in a product, MCCK refers to MCIx_CK, MCCDA to MCIx_CDA MCDAy to
MCIx_DAy.
Table 39-3. SD Memory Card Bus Signals
Pin Number Name Type
(1)
Description
MCI 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 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
234561 7 234561 7 2345617
MCCDA
MCDA0
MCCK
MMC1 MMC2 MMC3
MCI
23456178
SD CARD
9
2345617
MCDA0 - MCDA3
MCCDA
MCCK
8
SD CARD
9