Altera Embedded Peripherals IP - Manual (Page 42)

The CompactFlash core maps the Avalon-MM bus signals to the CompactFlash device with proper
timing, thus allowing Avalon-MM master peripherals to directly access the registers on the CompactFlash
device.
Compact Flash
For more information, refer to the CF+ and CompactFlash specifications available at www.compact-
flash.org.
Required Connections
The table below lists the required connections between the CompactFlash core and the CompactFlash
device.
Table 4-1: Core to Device Required Connections
CompactFlash Interface Signal
Name
Pin Type CompactFlash Pin
Number
addr[0]
Output 20
addr[1]
Output 19
addr[2]
Output 18
addr[3]
Output 17
addr[4]
Output 16
addr[5]
Output 15
addr[6]
Output 14
addr[7]
Output 12
addr[8]
Output 11
addr[9]
Output 10
addr[10]
Output 8
atasel_n
Output 9
cs_n[0]
Output 7
cs_n[1]
Output 32
data[0]
Input/Output 21
data[1]
Input/Output 22
data[2]
Input/Output 23
data[3]
Input/Output 2
data[4]
Input/Output 3
data[5]
Input/Output 4
data[6]
Input/Output 5
4-2 Required Connections
UG-01085
2014.24.07
Altera Corporation Compact Flash Core
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