MultiMediaCardTM
4 MultiMediaCard Interface Description
4.1 Pin Assignments in MultiMediaCard Mode
Table 4-1 MultiMediaCard Pad Definition
Pin No.
Name
RSV
CMD
Vss1
Vcc
CLK
Vss2
Type*1
NC
I/O/PP/OD
S
S
I
S
Description
No connection
Command/Response
Ground
Power supply
Clock
1
2
3
4
5
6
7
Ground
Data
DAT
I/O/PP
Note : 1. S: power supply; I: input; O: output; PP: push-pull; OD: open-drain; NC: No connection or VIH
Figure 4-1 MultiMediaCard Mode I/O drivers
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