xc3s1400an Xilinx Corp., xc3s1400an Datasheet - Page 85

• Manufacturer Part Number: xc3s1400an
• Description: Spartan-3an Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

Table 70: Spartan-3AN FGG400 Pinout (Continued)
User I/Os by Bank
Table 71
distributed between the four I/O banks on the FGG400
package. The AWAKE pin is counted as a Dual-Purpose
I/O.
Table 71: User I/Os Per Bank for the XC3S400AN in the FGG400 Package
Footprint Migration Differences
The XC3S400AN is the only Spartan-3AN FPGA offered in
the FGG400 package.
The XC3S400AN FPGA is pin compatible with the
Spartan-3A XC3S400A FPGA in the FG(G)400 package,
although the Spartan-3A FPGA requires an external
configuration source.
DS557-4 (v3.1) June 2, 2008
Product Specification
Top
Right
Bottom
Left
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCAUX VCCAUX
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
Bank
Package
TOTAL
Edge
indicates how the 311 available user-I/O pins are
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
R
I/O Bank
Pin Name
0
1
2
3
Maximum I/O
311
77
79
76
79
FG400
M11
Ball
A13
E16
K13
N20
K11
N10
J10
J12
L10
L12
M9
H1
Y8
K9
L8
T5
VCCAUX
VCCAUX
VCCAUX
VCCAUX
VCCAUX
VCCAUX
VCCAUX
VCCAUX
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
VCCINT
Type
155
I/O
50
21
35
49
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INPUT
12
12
16
46
6
All Possible I/O Pins by Type
DUAL
30
21
52
1
0
VREF
26
6
8
6
6
Pinout Descriptions
CLK
32
8
8
8
8
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