Add the USB resistors back in

These can protect the board from an accidental cable mishap, so we'll
put them in just in case.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/mpserial.pcb b/mpserial.pcb
index 5ca35fabffcd8c944e849e6436f2959575b6b671..166442790747fd98f829bc673d961628c756d4dd 100644 (file)
--- a/mpserial.pcb
+++ b/mpserial.pcb
@@ -3,10 +3,10 @@
 # To read pcb files, the pcb version (or the git source date) must be >= the file version
 FileVersion[20091103]
 
-PCB["" 670.00mil 400.00mil]
+PCB["MicroPeak Serial Interface" 670.00mil 400.00mil]
 
 Grid[100.000000 0.0000 0.0000 0]
-Cursor[3.00mil 254.00mil 0.000000]
+Cursor[2.00mil 20.00mil 0.000000]
 PolyArea[200000000.000000]
 Thermal[0.500000]
 DRC[5.00mil 10.00mil 5.00mil 5.00mil 15.00mil 6.50mil]
@@ -809,9 +809,9 @@ Via[56.00mil 115.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
 Via[300.00mil 131.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
 Via[105.00mil 40.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
 Via[340.00mil 269.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
-Via[427.00mil 50.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
 Via[464.00mil 196.00mil 36.00mil 20.00mil 0.0000 20.00mil "" ""]
 Via[411.00mil 249.00mil 36.00mil 20.00mil 0.0000 20.00mil "" ""]
+Via[427.00mil 46.00mil 36.00mil 20.00mil 0.0000 20.00mil "" "thermal(1S)"]
 
 Element["" "100mil2pin" "J2" "unknown" 93.00mil 357.00mil -115.00mil -14.00mil 3 100 ""]
 (
@@ -944,6 +944,20 @@ Element["" "0603diode" "D1" "blue" 433.41mil 368.00mil 197.00mil 334.00mil 0 100
        ElementLine [47.00mil 25.00mil 37.00mil 25.00mil 10.00mil]
        ElementLine [47.00mil -25.00mil 37.00mil -25.00mil 10.00mil]
 
+       )
+
+Element["" "0402" "R6" "33" 449.00mil 7.4488mm 7.50mil 5.0993mm 1 100 ""]
+(
+       Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"]
+       Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"]
+
+       )
+
+Element["" "0402" "R5" "33" 449.00mil 2.3810mm -8.50mil 9.1247mm 3 100 ""]
+(
+       Pad[-3.93mil -15.74mil 3.93mil -15.74mil 19.68mil 20.00mil 25.68mil "1" "1" "square"]
+       Pad[-3.93mil 15.74mil 3.93mil 15.74mil 19.68mil 20.00mil 25.68mil "2" "2" "square"]
+
        )
 Layer(1 "top")
 (
@@ -1009,18 +1023,23 @@ Layer(1 "top")
        Line[353.00mil 64.00mil 9.3157mm 50.24mil 10.00mil 20.00mil "clearline"]
        Line[241.50mil 24.50mil 341.02mil 24.50mil 10.00mil 20.00mil "clearline"]
        Line[378.00mil 61.48mil 341.02mil 24.50mil 10.00mil 20.00mil "clearline"]
-       Line[398.00mil 50.00mil 427.00mil 50.00mil 10.00mil 20.00mil "clearline"]
        Line[357.00mil 368.00mil 407.82mil 368.00mil 10.00mil 20.00mil "clearline"]
        Line[325.52mil 368.00mil 319.00mil 368.00mil 10.00mil 20.00mil "clearline"]
        Line[319.00mil 368.00mil 288.00mil 337.00mil 10.00mil 20.00mil "clearline"]
-       Line[404.00mil 94.00mil 404.00mil 179.00mil 10.00mil 20.00mil "clearline"]
-       Line[404.00mil 179.00mil 451.00mil 226.00mil 10.00mil 20.00mil "clearline"]
-       Line[451.00mil 226.00mil 13.1103mm 226.00mil 10.00mil 20.00mil "clearline"]
-       Line[13.1103mm 226.00mil 13.1210mm 225.58mil 10.00mil 20.00mil "clearline"]
-       Line[403.00mil 306.00mil 403.00mil 257.00mil 10.00mil 20.00mil "clearline"]
-       Line[403.00mil 257.00mil 411.00mil 249.00mil 10.00mil 20.00mil "clearline"]
        Line[13.1210mm 200.00mil 468.00mil 200.00mil 10.00mil 20.00mil "clearline"]
        Line[468.00mil 200.00mil 464.00mil 196.00mil 10.00mil 20.00mil "clearline"]
+       Line[398.00mil 50.00mil 423.00mil 50.00mil 10.00mil 20.00mil "clearline"]
+       Line[423.00mil 50.00mil 427.00mil 46.00mil 10.00mil 20.00mil "clearline"]
+       Line[449.00mil 78.00mil 420.00mil 78.00mil 10.00mil 20.00mil "clearline"]
+       Line[420.00mil 78.00mil 404.00mil 94.00mil 10.00mil 20.00mil "clearline"]
+       Line[13.1210mm 225.58mil 452.58mil 225.58mil 10.00mil 20.00mil "clearline"]
+       Line[452.58mil 225.58mil 435.00mil 208.00mil 10.00mil 20.00mil "clearline"]
+       Line[435.00mil 208.00mil 435.00mil 123.48mil 10.00mil 20.00mil "clearline"]
+       Line[435.00mil 123.48mil 449.00mil 109.48mil 10.00mil 20.00mil "clearline"]
+       Line[449.00mil 277.52mil 439.52mil 277.52mil 10.00mil 20.00mil "clearline"]
+       Line[439.52mil 277.52mil 411.00mil 249.00mil 10.00mil 20.00mil "clearline"]
+       Line[449.00mil 309.00mil 406.00mil 309.00mil 10.00mil 20.00mil "clearline"]
+       Line[406.00mil 309.00mil 403.00mil 306.00mil 10.00mil 20.00mil "clearline"]
 )
 Layer(2 "bottom")
 (
@@ -1032,10 +1051,11 @@ Layer(2 "bottom")
 )
 Layer(3 "outline")
 (
+       Attribute("PCB::skip-drc" "1")
        Line[0.0000 0.0000 670.00mil 0.0000 10.00mil 20.00mil "clearline"]
        Line[670.00mil 0.0000 670.00mil 400.00mil 10.00mil 20.00mil "clearline"]
-       Line[670.00mil 400.00mil 0.0000 400.00mil 10.00mil 20.00mil "clearline"]
        Line[0.0000 400.00mil 0.0000 0.0000 10.00mil 20.00mil "clearline"]
+       Line[670.00mil 400.00mil 0.0000 400.00mil 10.00mil 20.00mil "clearline"]
 )
 Layer(4 "silk")
 (
@@ -1084,12 +1104,12 @@ NetList()
        Net("unnamed_net2" "(unknown)")
        (
                Connect("J1-2")
-               Connect("U2-9")
+               Connect("R5-2")
        )
        Net("unnamed_net3" "(unknown)")
        (
                Connect("J1-3")
-               Connect("U2-8")
+               Connect("R6-2")
        )
        Net("unnamed_net4" "(unknown)")
        (
@@ -1139,4 +1159,14 @@ NetList()
        (
                Connect("U2-16")
        )
+       Net("unnamed_net14" "(unknown)")
+       (
+               Connect("R5-1")
+               Connect("U2-9")
+       )
+       Net("unnamed_net15" "(unknown)")
+       (
+               Connect("R6-1")
+               Connect("U2-8")
+       )
 )

diff --git a/mpserial.sch b/mpserial.sch
index 5d097a651cc8344f66675a2fdc15b60d3ef72d4e..9d2d6c653a78c25e0492bfd339221b686e697298 100644 (file)
--- a/mpserial.sch
+++ b/mpserial.sch
@@ -307,7 +307,41 @@ value=FT230XS
 T 31705 92895 5 10 0 1 0 6 1
 footprint=SSOP16
 }
+C 51600 45900 1 0 0 resistor-1.sym
+{
+T 51900 46300 5 10 0 0 0 0 1
+device=RESISTOR
+T 51750 46150 5 10 1 1 0 0 1
+refdes=R5
+T 51600 45900 5 10 0 1 0 0 1
+vendor=digikey
+T 51600 45900 5 10 0 1 0 0 1
+loadstatus=smt
+T 51600 45900 5 10 0 1 0 0 1
+footprint=0402
+T 52100 46150 5 10 1 1 0 0 1
+value=33
+T 51600 45900 5 10 0 1 0 0 1
+vendor_part_number=RHM33.0LCT-ND
+}
+C 51600 45400 1 0 0 resistor-1.sym
+{
+T 51900 45800 5 10 0 0 0 0 1
+device=RESISTOR
+T 51750 45650 5 10 1 1 0 0 1
+refdes=R6
+T 51600 45400 5 10 0 1 0 0 1
+vendor=digikey
+T 51600 45400 5 10 0 1 0 0 1
+loadstatus=smt
+T 51600 45400 5 10 0 1 0 0 1
+footprint=0402
+T 52100 45650 5 10 1 1 0 0 1
+value=33
+T 51600 45400 5 10 0 1 0 0 1
+vendor_part_number=RHM33.0LCT-ND
+}
 N 51500 46400 52500 46400 4
-N 50000 46000 52500 46000 4
-N 50000 45500 52500 45500 4
+N 50000 46000 51600 46000 4
+N 50000 45500 51600 45500 4
 N 52500 45500 52500 45600 4