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added pull-down resistors on the lines EN and STB
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@TheRo0T
TheRo0T committed Nov 16, 2015
1 parent 9308639 commit bfba109
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43 changes: 42 additions & 1 deletion Eagle/STM32_CAN-USB.brd
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<eagle version="7.2.0">
<drawing>
<settings>
<setting alwaysvectorfont="no"/>
Expand Down Expand Up @@ -2099,6 +2099,8 @@ design rules under a new name.</description>
<attribute name="NAME" x="39.3438" y="11.3288" size="1.27" layer="25" ratio="10" align="center"/>
<attribute name="VALUE" x="31.92" y="5.325" size="1.27" layer="27"/>
</element>
<element name="R11" library="rcl" package="R0805" value="47K" x="-2.5" y="-8.5"/>
<element name="R12" library="rcl" package="R0805" value="47K" x="-2.5" y="-12.5"/>
</elements>
<signals>
<signal name="N$1">
Expand Down Expand Up @@ -2329,6 +2331,41 @@ design rules under a new name.</description>
<wire x1="33.19" y1="10.89" x2="33.25" y2="10.95" width="0.254" layer="1"/>
<wire x1="26.77" y1="8.5" x2="26.77" y2="6" width="0.8128" layer="1"/>
<wire x1="33.19" y1="8.5" x2="33.19" y2="6" width="0.8128" layer="1"/>
<contactref element="R11" pad="1"/>
<contactref element="R12" pad="1"/>
<wire x1="48" y1="42.95" x2="52" y2="48.81" width="0" layer="19" extent="1-1"/>
<wire x1="43.75" y1="44.75" x2="44" y2="45" width="0" layer="19" extent="1-1"/>
<wire x1="42.25" y1="46" x2="43.75" y2="44.75" width="0" layer="19" extent="1-1"/>
<wire x1="39" y1="45.3" x2="42.25" y2="46" width="0" layer="19" extent="1-1"/>
<wire x1="36.55" y1="41.05" x2="36.55" y2="41.5" width="0" layer="19" extent="1-1"/>
<wire x1="36.25" y1="43.5" x2="36.55" y2="42.85" width="0" layer="19" extent="1-1"/>
<wire x1="36.5" y1="46.5" x2="39" y2="45.3" width="0" layer="19" extent="1-1"/>
<wire x1="29.2" y1="45.35" x2="36.25" y2="43.5" width="0" layer="19" extent="1-1"/>
<wire x1="25.55" y1="42.5" x2="29.2" y2="45.35" width="0" layer="19" extent="1-1"/>
<wire x1="24" y1="45.3" x2="25.55" y2="42.5" width="0" layer="19" extent="1-1"/>
<wire x1="21.5" y1="44.5" x2="24" y2="45.3" width="0" layer="19" extent="1-1"/>
<wire x1="20.5" y1="42.5" x2="21.5" y2="44.5" width="0" layer="19" extent="1-1"/>
<wire x1="19" y1="44.5" x2="21.5" y2="44.5" width="0" layer="19" extent="1-1"/>
<wire x1="16.5" y1="45.3" x2="19" y2="44.5" width="0" layer="19" extent="1-1"/>
<wire x1="18.7" y1="40.5" x2="20.5" y2="42.5" width="0" layer="19" extent="1-1"/>
<wire x1="23.75" y1="34.5" x2="18.7" y2="40.5" width="0" layer="19" extent="1-1"/>
<wire x1="25.5" y1="27" x2="25.5" y2="32.75" width="0" layer="19" extent="1-1"/>
<wire x1="21.55" y1="26.5" x2="25" y2="26.5" width="0" layer="19" extent="1-1"/>
<wire x1="19" y1="29" x2="21.5" y2="26.5" width="0" layer="19" extent="1-1"/>
<wire x1="19" y1="31" x2="19" y2="29" width="0" layer="19" extent="1-1"/>
<wire x1="16.5" y1="30.55" x2="19" y2="31" width="0" layer="19" extent="1-1"/>
<wire x1="24.25" y1="18.25" x2="26.75" y2="25.75" width="0" layer="19" extent="1-1"/>
<wire x1="26.75" y1="14.25" x2="24.25" y2="18.25" width="0" layer="19" extent="1-1"/>
<wire x1="33.2" y1="11.5" x2="27.95" y2="11.22" width="0" layer="19" extent="1-1"/>
<wire x1="38.45" y1="29.5" x2="38.45" y2="38.5" width="0" layer="19" extent="1-1"/>
<wire x1="46.75" y1="23.05" x2="38.45" y2="24.95" width="0" layer="19" extent="1-1"/>
<wire x1="54.55" y1="20.7" x2="54.95" y2="23.05" width="0" layer="19" extent="1-1"/>
<wire x1="54.55" y1="12.3" x2="49" y2="18.1" width="0" layer="19" extent="1-1"/>
<wire x1="49.54" y1="8.5" x2="54.55" y2="12.3" width="0" layer="19" extent="1-1"/>
<wire x1="9.05" y1="25.5" x2="16.5" y2="30.55" width="0" layer="19" extent="1-1"/>
<wire x1="9.05" y1="37.3" x2="16.5" y2="30.55" width="0" layer="19" extent="1-1"/>
<wire x1="-3.45" y1="-8.5" x2="9" y2="11.95" width="0" layer="19" extent="1-1"/>
<wire x1="-3.45" y1="-12.5" x2="-3.45" y2="-8.5" width="0" layer="19" extent="1-1"/>
</signal>
<signal name="+3V3">
<contactref element="C6" pad="1"/>
Expand Down Expand Up @@ -2575,13 +2612,17 @@ design rules under a new name.</description>
<contactref element="IC1" pad="55"/>
<wire x1="30.75" y1="25.75" x2="30.75" y2="26.5" width="0.254" layer="1"/>
<wire x1="30.75" y1="26.5" x2="32.4" y2="28.15" width="0.254" layer="1"/>
<contactref element="R12" pad="2"/>
<wire x1="-1.55" y1="-12.5" x2="30.75" y2="25.75" width="0" layer="19" extent="1-1"/>
</signal>
<signal name="N$6">
<contactref element="IC2" pad="5"/>
<wire x1="31.13" y1="29.4" x2="31.13" y2="27.88" width="0.254" layer="1"/>
<contactref element="IC1" pad="56"/>
<wire x1="30.25" y1="25.75" x2="30.25" y2="27" width="0.254" layer="1"/>
<wire x1="30.25" y1="27" x2="31.13" y2="27.88" width="0.254" layer="1"/>
<contactref element="R11" pad="2"/>
<wire x1="-1.55" y1="-8.5" x2="30.25" y2="25.75" width="0" layer="19" extent="1-1"/>
</signal>
<signal name="N$15">
<contactref element="IC2" pad="4"/>
Expand Down
44 changes: 35 additions & 9 deletions Eagle/STM32_CAN-USB.sch
View file
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<eagle version="7.2.0">
<drawing>
<settings>
<setting alwaysvectorfont="no"/>
Expand Down Expand Up @@ -15313,6 +15313,10 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<part name="SWD" library="pinhead" deviceset="PINHD-1X4" device=""/>
<part name="GND18" library="supply1" deviceset="GND" device=""/>
<part name="GPIO" library="pinhead" deviceset="PINHD-1X4" device=""/>
<part name="R11" library="rcl" deviceset="R-EU_" device="R0805" value="47K"/>
<part name="R12" library="rcl" deviceset="R-EU_" device="R0805" value="47K"/>
<part name="GND19" library="supply1" deviceset="GND" device=""/>
<part name="GND20" library="supply1" deviceset="GND" device=""/>
</parts>
<sheets>
<sheet>
Expand Down Expand Up @@ -15433,6 +15437,10 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<instance part="SWD" gate="A" x="-83.82" y="73.66"/>
<instance part="GND18" gate="1" x="-40.64" y="-45.72"/>
<instance part="GPIO" gate="A" x="2.54" y="-33.02"/>
<instance part="R11" gate="G$1" x="111.76" y="50.8" rot="R90"/>
<instance part="R12" gate="G$1" x="116.84" y="43.18" rot="R90"/>
<instance part="GND19" gate="1" x="111.76" y="38.1"/>
<instance part="GND20" gate="1" x="116.84" y="30.48"/>
</instances>
<busses>
</busses>
Expand Down Expand Up @@ -15655,6 +15663,16 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<pinref part="GPIO" gate="A" pin="1"/>
<wire x1="0" y1="-27.94" x2="-40.64" y2="-27.94" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="R11" gate="G$1" pin="1"/>
<pinref part="GND19" gate="1" pin="GND"/>
<wire x1="111.76" y1="45.72" x2="111.76" y2="40.64" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="R12" gate="G$1" pin="1"/>
<pinref part="GND20" gate="1" pin="GND"/>
<wire x1="116.84" y1="38.1" x2="116.84" y2="33.02" width="0.1524" layer="91"/>
</segment>
</net>
<net name="+3V3" class="0">
<segment>
Expand Down Expand Up @@ -15894,19 +15912,27 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<net name="N$14" class="0">
<segment>
<pinref part="IC2" gate="G$1" pin="EN"/>
<wire x1="124.46" y1="58.42" x2="104.14" y2="58.42" width="0.1524" layer="91"/>
<wire x1="124.46" y1="58.42" x2="116.84" y2="58.42" width="0.1524" layer="91"/>
<wire x1="116.84" y1="58.42" x2="104.14" y2="58.42" width="0.1524" layer="91"/>
<wire x1="104.14" y1="58.42" x2="104.14" y2="83.82" width="0.1524" layer="91"/>
<pinref part="IC1" gate="MCU" pin="PB3"/>
<wire x1="88.9" y1="83.82" x2="104.14" y2="83.82" width="0.1524" layer="91"/>
<pinref part="R12" gate="G$1" pin="2"/>
<wire x1="116.84" y1="48.26" x2="116.84" y2="58.42" width="0.1524" layer="91"/>
<junction x="116.84" y="58.42"/>
</segment>
</net>
<net name="N$6" class="0">
<segment>
<pinref part="IC2" gate="G$1" pin="STB"/>
<wire x1="124.46" y1="60.96" x2="101.6" y2="60.96" width="0.1524" layer="91"/>
<wire x1="124.46" y1="60.96" x2="111.76" y2="60.96" width="0.1524" layer="91"/>
<wire x1="111.76" y1="60.96" x2="101.6" y2="60.96" width="0.1524" layer="91"/>
<wire x1="101.6" y1="60.96" x2="101.6" y2="81.28" width="0.1524" layer="91"/>
<pinref part="IC1" gate="MCU" pin="PB4"/>
<wire x1="88.9" y1="81.28" x2="101.6" y2="81.28" width="0.1524" layer="91"/>
<pinref part="R11" gate="G$1" pin="2"/>
<wire x1="111.76" y1="55.88" x2="111.76" y2="60.96" width="0.1524" layer="91"/>
<junction x="111.76" y="60.96"/>
</segment>
</net>
<net name="N$15" class="0">
Expand Down Expand Up @@ -16156,8 +16182,8 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<net name="PC9" class="0">
<segment>
<pinref part="IC1" gate="MCU" pin="PC9"/>
<wire x1="88.9" y1="45.72" x2="109.22" y2="45.72" width="0.1524" layer="91"/>
<label x="109.22" y="45.72" size="1.778" layer="95" xref="yes"/>
<wire x1="88.9" y1="45.72" x2="96.52" y2="45.72" width="0.1524" layer="91"/>
<label x="96.52" y="45.72" size="1.778" layer="95" xref="yes"/>
</segment>
<segment>
<wire x1="0" y1="-33.02" x2="-27.94" y2="-33.02" width="0.1524" layer="91"/>
Expand All @@ -16168,10 +16194,10 @@ Source: http://www.hirose.co.jp/cataloge_hp/e24000019.pdf</description>
<net name="PB12" class="0">
<segment>
<pinref part="IC1" gate="MCU" pin="PB12"/>
<wire x1="88.9" y1="60.96" x2="96.52" y2="60.96" width="0.1524" layer="91"/>
<wire x1="96.52" y1="60.96" x2="96.52" y2="53.34" width="0.1524" layer="91"/>
<wire x1="96.52" y1="53.34" x2="106.68" y2="53.34" width="0.1524" layer="91"/>
<label x="106.68" y="53.34" size="1.778" layer="95" xref="yes"/>
<wire x1="88.9" y1="60.96" x2="93.98" y2="60.96" width="0.1524" layer="91"/>
<wire x1="93.98" y1="60.96" x2="93.98" y2="53.34" width="0.1524" layer="91"/>
<wire x1="93.98" y1="53.34" x2="96.52" y2="53.34" width="0.1524" layer="91"/>
<label x="96.52" y="53.34" size="1.778" layer="95" xref="yes"/>
</segment>
<segment>
<wire x1="0" y1="-30.48" x2="-15.24" y2="-30.48" width="0.1524" layer="91"/>
Expand Down

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