Cyclone dev board

Cyclone dev board

This is the documentation page for the Cyclone dev board.

Overview

The Cyclone dev board has an USB connector and 4 20-pin IO connector. The brains of the PCB is an EP1C6T144C8 (or compatible) chip.

Pinout

The 20 pin connectors are connected as follows

SV1

1	GND
2	GND
3	pin 3
4	pin 2
5	pin 5
6	pin 4
7	pin 6
8	pin 7
9	pin 26
10	pin 10
11	pin 32
12	pin 27
13	pin 34
14	pin 33
15	pin 36
16	pin 35
17	pin 38
18	pin 37
19	VCC
20	VCC

SV2

1	GND
2	GND
3	pin 40
4	pin 39
5	pin 42
6	pin 41
7	pin 49
8	pin 47
9	pin 51
10	pin 50
11	pin 53
12	pin 52
13	pin 58
14	pin 57
15	pin 60
16	pin 59
17	pin 67
18	pin 62
19	VCC
20	VCC

SV3

1	GND
2	GND
3	pin 69
4	pin 68
5	pin 73
6	pin 72
7	pin 75
8	pin 74
9	pin 77
10	pin 76
11	pin 82
12	pin 78
13	pin 84
14	pin 83
15	pin 96
16	pin 85
17	pin 110
18	pin 109
19	VCC
20	VCC

SV4

1	GND
2	GND
3	pin 112
4	pin 111
5	pin 114
6	pin 113
7	pin 121
8	pin 119
9	pin 123
10	pin 122
11	pin 128
12	pin 124
13	pin 130
14	pin 129
15	pin 132
16	pin 131
17	pin 140
18	pin 139
19	VCC
20	VCC

SV5

1	3V3
2	GND
3	CLK3
4	CLK2
5	CLK1
6	CLK0

SV6

1	GND
2	VCCINT
3	3V3
4	5V

JP2

1	EXT_RESET
2	GND

• led1 is connected to VCC
• led2 is connected to pin 144
• led3 is connected to conf_done
• led4 is connected to pin 143
• led5 is connected to pin 142
• led6 is connected to pin 141

Jumper settings

JP1: 5V power supply selection
1-2 5V from USB
3-4 5V from wall-wart powered regulator

Programming

This section describes how you get your program into the FPGA.

Writing programs

The chip is an EP1C6T144C8. http://www.altera.com/literature/lit-cyc.jsp

Future hardware enhancements

• Update Mini-B footprint

Changelog

4.1

• Initial public release