Memory Array Organization
Page 9
Table 7. Address Range for Sectors 511..0 and Subsectors 8191..0 in EPCQ256 Devices
—Preliminary (Part 2 of 3)
Sector
254
129
128
127
64
63
Subsector
4079
4078
...
4066
4065
4064
2079
2078
...
2066
2065
2064
2063
2062
...
2050
2049
2048
2047
2046
...
2034
2033
2032
1039
1038
...
1026
1025
1024
1023
1022
...
1010
1009
1008
Address Range (Byte Addresses in HEX)
Start
End
FEF000
FEE000
...
FE2000
FE1000
FE0000
81F000
81E000
...
812000
811000
810000
80F000
80E000
...
802000
801000
800000
7FF000
7FE000
...
7F2000
7F1000
7F0000
40F000
40E000
...
402000
401000
400000
3FF000
3FE000
...
3F2000
3F1000
3F0000
FEFFFF
FEEFFF
...
FE2FFF
FE1FFF
FE0FFF
81FFFF
81EFFF
...
812FFF
811FFF
810FFF
80FFFF
80EFFF
...
802FFF
801FFF
800FFF
7FFFFF
7FEFFF
...
7F2FFF
7F1FFF
7F0FFF
40FFFF
40EFFF
...
402FFF
401FFF
400FFF
3FFFFF
3FEFFF
...
3F2FFF
3F1FFF
3F0FFF
July 2012 Altera Corporation
Quad-Serial Configuration (EPCQ) Devices Datasheet