Lattice Semiconductor Corp. - -
Proprietary
Use Pursuant to Company Instructions
Page 2
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Place SW3.1 to “off” position (Figure 3)
SW3
Figure 3
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Connect DB-25 connector of download cable to DB-9 adapter
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Plug DB-9 connector in a serial PC port(COM1or COM2)
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Plug Condor Wall supply into J67 and Power source to power up board
Programming the Device
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Connect 8-pin dongle of download cable to J3
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Green LED on download cable should light
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From an MS-DOS command window (computer with ORCA Foundry 2001 installed)
Type”devprog –c serial –p COM1(or 2) – j w ORT8850_eval_1.bit <enter>
ORT8850_eval_1.bit can be downloaded from the design tools section of the Lattice web site at
http://www.latticesemi.com
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Download cable LED should illuminate yellow while loading
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Downloading bit stream
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D19 LED lights and download cable LED goes green
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After D19 lights the following LEDS will light sequence (Figure 1)
D1, 11, 2, 12, 3, 13, 4, 14, 5, 15, 6
D15,16,17,18
D11,12,13,14
D5, 6, 9, 10
D1, 2, 3, 4
1
3
5
7
2
4
6
8
9
11
10
ON
1
2
3
4
5
6
7
8
