Required connections, Required connections -2 – Altera Embedded Peripherals IP User 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