Apple-2-HW/afterburner
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hw 2.1 - added pull down resistor to EN pin

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This prevents accidental enablement of VPP during
Arduino reboot. ATF chips interpreted such state
as the Erase command and cleared the fuses.
This commit is contained in:
ole00 2019-04-13 14:03:04 +01:00
parent ba9cd08031
commit fc819a54c8
4 changed files with 24 additions and 3 deletions
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gerbers/afterburner_fab_2_0.zip
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pcb/afterburner2_fab.pcb
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@ -9,7 +9,7 @@ Grid[25.00mil 0.0000 0.0000 1]
PolyArea[200000000.000000]
Thermal[0.500000]
DRC[8.00mil 8.00mil 8.00mil 8.00mil 15.00mil 10.00mil]
Flags("showdrc,nameonpcb,newfullpoly,snappin")
Flags("showdrc,nameonpcb,clearnew,newfullpoly,snappin")
Groups("1,c:2,s:3:4")
Styles["Signal,10.00mil,40.00mil,20.00mil,10.00mil:Power,25.00mil,40.00mil,20.00mil,10.00mil:Fat,40.00mil,40.00mil,20.00mil,10.00mil:Skinny,8.00mil,36.00mil,20.00mil,10.00mil"]
@ -1481,6 +1481,18 @@ Element["" "" "" "" 1550.00mil 2880.00mil 5.00mil -50.00mil 0 100 ""]
(
Pin[0.0000 0.0000 60.00mil 30.00mil 66.00mil 34.00mil "1" "1" ""]
)
Element["" "" "" "" 3150.00mil 2300.00mil 0.0000 0.0000 0 100 ""]
(
Pin[0.0000 0.0000 60.00mil 30.00mil 66.00mil 34.00mil "1" "1" "selected"]
)
Element["" "" "" "" 3150.00mil 2700.00mil 0.0000 0.0000 0 100 ""]
(
Pin[0.0000 0.0000 60.00mil 30.00mil 66.00mil 34.00mil "1" "1" ""]
)
Layer(1 "top" "copper")
(
@ -1626,7 +1638,6 @@ Layer(2 "bottom" "copper")
Line[1520.00mil 2950.00mil 1425.00mil 2855.00mil 10.00mil 20.00mil "clearline"]
Line[2350.00mil 2950.00mil 1520.00mil 2950.00mil 10.00mil 20.00mil "clearline"]
Line[2500.00mil 2800.00mil 2350.00mil 2950.00mil 10.00mil 20.00mil "clearline"]
Line[2650.00mil 2800.00mil 2500.00mil 2800.00mil 10.00mil 20.00mil "clearline"]
Line[3050.00mil 1450.00mil 2900.00mil 1300.00mil 40.00mil 20.00mil "clearline"]
Line[3050.00mil 2470.00mil 3050.00mil 1450.00mil 40.00mil 20.00mil "clearline"]
Line[2950.00mil 2570.00mil 3050.00mil 2470.00mil 40.00mil 20.00mil "clearline"]
@ -1718,6 +1729,12 @@ Layer(2 "bottom" "copper")
Line[1650.00mil 450.00mil 1650.00mil 400.00mil 25.00mil 20.00mil ""]
Line[1525.00mil 500.00mil 1500.00mil 475.00mil 25.00mil 20.00mil ""]
Line[2275.00mil 1350.00mil 2275.00mil 1325.00mil 25.00mil 20.00mil ""]
Line[1650.00mil 2880.00mil 1650.00mil 2825.00mil 40.00mil 20.00mil "clearline"]
Line[1650.00mil 2825.00mil 1700.00mil 2775.00mil 40.00mil 20.00mil "clearline"]
Line[1700.00mil 2775.00mil 2050.00mil 2775.00mil 40.00mil 20.00mil "clearline"]
Line[2500.00mil 2800.00mil 3050.00mil 2800.00mil 10.00mil 20.00mil "clearline"]
Line[3050.00mil 2800.00mil 3150.00mil 2700.00mil 10.00mil 20.00mil "clearline"]
Line[3150.00mil 2300.00mil 3050.00mil 2300.00mil 10.00mil 20.00mil "clearline"]
Polygon("clearpoly,fullpoly")
(
[1025.00mil 200.00mil] [1075.00mil 150.00mil] [3200.00mil 150.00mil] [3250.00mil 200.00mil] [3250.00mil 2950.00mil]
@ -1756,6 +1773,7 @@ Layer(3 "info" "copper")
Text[1820.00mil 2830.00mil 1 100 "3.3V" ""]
Text[1720.00mil 2830.00mil 1 100 "RST" ""]
Text[2920.00mil 2830.00mil 1 100 "AIN5" ""]
Text[1620.00mil 2830.00mil 1 100 "5V" ""]
)
Layer(4 "outline" "outline")
(
@ -1809,6 +1827,8 @@ Layer(6 "top silk" "silk")
Line[3025.00mil 275.00mil 3225.00mil 275.00mil 10.00mil 20.00mil ""]
Line[3025.00mil 275.00mil 3025.00mil 225.00mil 10.00mil 20.00mil "clearline"]
Line[3225.00mil 275.00mil 3225.00mil 225.00mil 10.00mil 20.00mil "clearline"]
Line[3150.00mil 2350.00mil 3150.00mil 2450.00mil 10.00mil 20.00mil "clearline"]
Line[3150.00mil 2650.00mil 3150.00mil 2550.00mil 10.00mil 20.00mil "clearline"]
Arc[3200.00mil 1400.00mil 25.00mil 25.00mil 10.00mil 20.00mil 0 90 ""]
Arc[3200.00mil 1400.00mil 25.00mil 25.00mil 10.00mil 20.00mil -90 90 ""]
Arc[73.1764mm 47.2701mm 125.00mil 125.00mil 10.00mil 20.00mil 0 -90 "clearline"]
@ -1830,7 +1850,7 @@ Layer(6 "top silk" "silk")
Text[1275.00mil 1275.00mil 0 104 "layout" "clearline"]
Text[1925.00mil 2375.00mil 0 104 "MT3608 module" "clearline"]
Text[1850.00mil 1775.00mil 0 104 "LED" "clearline"]
Text[1275.00mil 1175.00mil 0 126 "v. 2.0" "clearline"]
Text[1275.00mil 1175.00mil 0 126 "v. 2.1" "clearline"]
Text[1145.00mil 1075.00mil 0 148 "Afterburner" "clearline"]
Text[1150.00mil 1075.00mil 0 148 "Afterburner" "clearline"]
Text[3075.00mil 2000.00mil 0 104 "C2" "clearline"]
@ -1845,6 +1865,7 @@ Layer(6 "top silk" "silk")
Text[3075.00mil 950.00mil 0 104 "C2" "clearline"]
Text[1975.00mil 500.00mil 0 104 "ZIF socket 24 pins" "clearline"]
Text[1485.00mil 1615.00mil 0 104 "GND" "clearline"]
Text[3125.00mil 2475.00mil 0 104 "R3" "clearline"]
Polygon("clearpoly")
(
[1775.00mil 1860.00mil] [1830.00mil 1860.00mil] [1800.00mil 1890.00mil] [1770.00mil 1860.00mil]

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