Altera Parallel Flash Loader IP User Manual
Page 14
Figure 9: Micron J3 Flash Memory in 8-Bit Mode
The address connection between the PFL IP core and the flash memory device are the same.
23
22
21
-
-
-
2
1
0
PFL
address: 24 bits
23
22
21
-
-
-
2
1
0
Flash Memory
address: 24 bits
Figure 10: Micron J3, P30, and P33 Flash Memories in 16-Bit Mode
The flash memory addresses in Micron J3, P30, and P33 16-bit flash memory shift one bit down in
comparison with the flash addresses in the PFL IP core. The flash address in the Micron J3, P30, and P33
flash memory starts from bit 1 instead of bit 0.
22
21
20
-
-
-
2
1
0
PFL
address: 23 bits
23
22
21
-
-
-
3
2
1
Flash Memory
address: 23 bits
Figure 11: Spansion and Micron M28, M29 Flash Memory in 8-Bit Mode
The flash memory addresses in Spansion 8-bit flash shifts one bit up. Address bit 0 of the PFL IP core
connects to data pin
D15
of the flash memory.
23
22
21
-
-
-
2
1
0
PFL
address: 24 bits
22
21
20
-
-
-
1
0
D15
Flash Memory
address: 24 bits
14
Mapping PFL and Flash Address
UG-01082
2015.01.23
Altera Corporation
Parallel Flash Loader IP Core User Guide