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Altera_Forum's avatar
Altera_Forum
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12 years ago

Cyclone IV AS and JTAG programming at different voltage levels

I have some questions regarding the programming of Cyclone IV devices as shown in figure 8-28 in the datasheet. In my case, the banks where all programming pins reside (1, 2, 5 and 6) are all 2.5V. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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1. You can get rid of the AS header and all related overvoltage problems by using indirect JTAG programming for the AS configuration device.

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Mox, just take a look at Fig. 8-29 on the next page.