Apple-2-HW/afterburner
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56 Commits 3 Branches 11 Tags 19 MiB
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4 Commits

Author SHA1 Message Date
ole00
996dfd8e93 Schematics: added pull up resistor R4 to SDOUT 
Some GAL IC require pull-up on SDOUT
 2022-12-15 19:55:14 +00:00
ole00
2334c0fb1f added GAL20V8 info and adapter pcb 2022-06-11 12:02:26 +01:00
ole00
fc819a54c8 hw 2.1 - added pull down resistor to EN pin 
This prevents accidental enablement of VPP during
Arduino reboot. ATF chips interpreted such state
as the Erase command and cleared the fuses.
 2019-04-13 14:03:04 +01:00
ole00
d5101e2b74 schematics for PCB v 2.0, support for GAL22V10 2019-04-09 20:44:18 +01:00