Xilinx MIcroblaze Development Spartan-3E 1600E User Manual
Page 121
MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide
119
UG257 (v1.1) December 5, 2007
Hirose 100-pin FX2 Edge Connector (J3)
R
Spartan-3E data sheet. Select pairs have optional landing pads for external termination
resistors.
These signals are not routed with matched differential impedance, as would be required
for ultimate performance. However, all traces have similar lengths to minimize skew.
Table 15-2:
Differential I/O Pairs
Differential
Pair
Signal
Name
FPGA
Pins
FPGA Pin Name Direction DIFF_TERM
External
Resistor
Designator
1
FX2_IO1
B4
IO_L24N_0
I/O
Yes
FX2_IO2
A4
IO_L24P_0
I/O
Yes
2
FX2_IO3
D5
IO_L23N_0
I/O
Yes
FX2_IO4
C5
IO_L23P_0
I/O
Yes
3
FX2_IO5
A6
IO_L20N_0
I/O
Yes
FX2_IO6
B6
IO_L20P_0
I/O
Yes
4
FX2_IO7
E7
IO_L19N_0
I/O
Yes
FX2_IO8
F7
IO_L19P_0
I/O
Yes
5
FX2_IO9
D7
IO_L18N_0
I/O
Yes
FX2_IO10
C7
IO_L18P_0
I/O
Yes
6
FX2_IO11
F8
IO_L17N_0
I/O
Yes
FX2_IO12
E8
IO_L17P_0
I/O
Yes
7
FX2_IO13
F9
IP_L15N_0
I/O
Yes
FX2_IO14
E9
IP_L15P_0
I/O
Yes
8
FX2_IO15
D11
IP_L09N_0
I/O
Yes
FX2_IO16
C11
IP_L09P_0
I/O
Yes
9
FX2_IO17
F11
IO_L08N_0
I/O
Yes
R202
FX2_IO18
E11
IO_L08P_0
I/O
Yes
10
FX2_IO19
E12
IO_L06N_0
I/O
Yes
R203
FX2_IO20
F12
IO_L06P_0
I/O
Yes
11
FX2_IO21
A13
IO_L05P_0
I/O
Yes
R204
FX2_IO22
B13
IO_L05N_0
I/O
Yes
12
FX2_IO23
A14
IO_L04N_0
I/O
Yes
R205
FX2_IO24
B14
IO_L04P_0
I/O
Yes
13
FX2_IO25
C14
IO_L03N_0
I/O
Yes
R206
FX2_IO26
D14
IO_L03P_0
I/O
Yes
14
FX2_IO27
A16
IO_L01N_0
I/O
Yes
R207
FX2_IO28
B16
IO_L01P_0
I/O
Yes