Digilent Basys Board Rev.C - Manual (Page 12)

Digilent
Basys Reference Manual
www.digilentinc.com
Copyright Digilent, Inc. Page 12/12 Doc: 502-107
Spartan 3E
FPGA
79
78
71
70
ESD protection
diodes
1
6-pin
header
2
3
4
5
6
JA
Resistors for short-
circuit protection
Power
supply
jumper
VU
3.3V
JPA
1 6-pin
header 2
3
4
JB
1 6-pin
header 2
3
4
JC
1 6-pin
header 2
3
4
JD
68
67
66
65
63
62
61
60
58
57
54
53
FPGA
The pinout for the Spartan 3E-100 FPGA in the VQ100 package is shown in the table below.
Basys FPGA Pin Assignments
Pin Function Pin Function Pin Function Pin Function Pin Function
1 PROG_B 21 V
AUX
41 VGA-HS 61 JC-3 81 GND
2 LD7 22 CC 42 MODE1/C 62 JC-2 82 3V3
3 LD6 23 CG 43 MODE0/C 63 JC-1 83 SPI-SS
4 LD5 24 CB 44 D0 64 GND 84 CLK2
5 LD4 25 3V3 45 3V3 65 JB-4 85 PS2C
6 V
INT
26 AN4 46 V
AUX
66 JB-3 86 PS2D
7 GND 27 AN3 47 VGA-G 67 JB-2 87 GND
8 3V3 28 V
INT
48 VGA-B 68 JB-1 88 SW7
9 LD3 29 GND 49 VGA-R 69 BTN0 89 SW6
10 LD2 30 BTN1 50 CCLK 70 JA-4 90 SW5
11 BTN3 31 3V3 51 V
AUX
71 JA-3 91 SW4
12 LD1 32 AN2 52 GND 72 GND 92 SW3
13 BTN2 33 AN1 53 JD-4 73 3V3 93 GND
14 GND 34 SPI-MOSI 54 JD-3 74 V
AUX
94 SW2
15 LD0 35 SPI-MISO 55 3V3 75 TMS 95 SW1
16 CE 36 CLK1 56 V
INT
76 TDO 96 V
AUX
17 CD 37 GND 57 JD-2 77 TCK 97 3V3
18 DP 38 SPI-SCK 58 JD-1 78 JA2 98 SW0
19 GND 39 MODE2 59 GND 79 JA1 99 TMS-EN
20 3V3 40 VGA-VS 60 JC-4 80 V
INT
100 TDI
6-pin header connector circuit diagram. ESD diodes
and power jumper shown for JA are present for the
other connectors but omitted from the drawing.