XC3S400AN-4FTG256I Xilinx Inc, XC3S400AN-4FTG256I Datasheet - Page 89

• Manufacturer Part Number: XC3S400AN-4FTG256I
• Description: IC FPGA SPARTAN-3AN 256FTBGA
• Manufacturer: Xilinx Inc
• Series: Spartan™-3ANr

Specifications of XC3S400AN-4FTG256I

• Number Of Logic Elements/cells: 8064
• Number Of Labs/clbs: 896
• Total Ram Bits: 368640
• Number Of I /o: 195
• Number Of Gates: 400000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 256-LBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Spartan-3AN In-System Flash User Guide
UG333 (v2.1) January 15, 2009
Power-of-2 Addressing
Power-of-2 Page Addressing
R
Table A-3
Table A-3: Power-of-2 Addressing Mode
Table A-4
Table A-4: Page Address, Power-of-2 Addressing Mode
3S1400AN
3S1400AN
3S200AN
3S400AN
3S700AN
3S200AN
3S400AN
3S700AN
Address
Address
Address
3S50AN
3S50AN
FPGA
Binary
Binary
FPGA
Binary
summarizes the address mapping for the optional power-of-2 addressing mode.
summarizes how page addresses are specified within the 24-bit address field.
23 22 21 20 19 18 17 16 15 14 13 12 11 10
23 22 21 20 19 18 17 16 15 14 13 12 11 10
0 0 0
0 0 0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0
0 0 0
0 0 0
0 0 0 0 0 0 0
0 0 0 0 0
0 0 0 0
0 0 0
0 0 0
High Address
High Address
Sector (16)
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Sector (16)
Block (512 blocks)
Page Address (4,096 pages)
Page Address (4,096 pages)
Sector (8)
Block (512 blocks)
Page Address (4,096 pages)
Page Address (4,096 pages)
Block (256 blocks)
Page Address (2,048 pages)
Page Address (2,048 pages)
Page Address (2,048 pages)
Sector
Block (64 blocks)
Sector 0a, 0b
Page Address (512 pages)
Page Address (512 pages)
Sector 0a, 0b
Sector 0a, 0b
Middle Address
Middle Address
Sector 0a,
0b
X X X X X X X X X X X X
X X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X X X X X X
9
9
Power-of-2 Addressing Mode
X X X X X X X X X
8
8
Byte Address (512 bytes)
X X X X X X X X
X X X X X X X X
X X X X X X X X
X X X X X X X X
Byte Address (256 bytes)
Byte Address (256 bytes)
Byte Address (256 bytes)
7
7
6
6
Low Address
Low Address
5
5
4
4
3
3
2
2
1
1
0
0
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