Information Technology Reference
In-Depth Information
Table 4-2: Pin functions for a MultiMediaCard in SPI mode.
Pin Number
Name
Description
1
CS
Chip Select input, active low
2
DataIn
Data input
3
VSS1
Power supply ground
4
VDD
Power supply voltage
5
SCLK
Clock input
6
VSS2
Power supply ground
7
DataOut
Data output
Figure 4-1: The pins on the MultiMediaCard/SD-Card connector connect to
port pins on the PIC18F4550.
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