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@ -41,12 +41,19 @@
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TDO TMS
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TDO TMS
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GPIO 40-pin 2.54 mm double-row connectors J1 and J2 for GPIO
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GPIO 40-pin 2.54 mm double-row connectors J1 and J2 for GPIO
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at 3.3V logical level with 56 bidirectional single-ended
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at 3.3V logical level with 56 pins from which are:
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pins or 28 bidirectional differential pairs or combined,
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J1 GP,GN 0-7 are single-ended pins.
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some single-ended and some differential.
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J1 GP,GN 8-13 are differential bidirectional pairs.
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J1 pins marked 9-13 are shared with WiFi on PCB v1.7.
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J2 GP,GN 14-21 are differential bidirectional pairs.
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J1 pins marked 11-13 are shared with WiFi on PCB >v2.0.
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J2 GP,GN 22-27 are single-ended pins.
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J2 pins marked 14-17 are shared with ADC.
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Differential pairs can be used also as single-ended pins.
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J1 GP,GN 12 is differential primary clock capable.
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J1 GP,GN 0,1 are single-ended primary clock capable.
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J1 GP 13 and J2 GN 17 are general routing (non-primary)
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clock capable.
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J1 pins GP,GN 9-13 are shared with WiFi on PCB v1.7.
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J1 pins GP,GN 11-13 are shared with WiFi on PCB >v2.0.
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J2 pins GP,GN 14-17 are shared with ADC.
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4 PMOD connectors can be made out of it
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4 PMOD connectors can be made out of it
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(GND and 3.3V power are on the right place)
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(GND and 3.3V power are on the right place)
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J1-J2 distance is suitable to be plugged into triple
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J1-J2 distance is suitable to be plugged into triple
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@ -276,5 +283,6 @@ soldered.
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v1.8 PCBWay 10 may 2018 v18 prototype
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v1.8 PCBWay 10 may 2018 v18 prototype
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v2.0.3 q3k 1 aug 2018 v20 handwork
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v2.0.3 q3k 1 aug 2018 v20 handwork
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v2.1.2 INEM-KONČAR 35 sep 2018 v20 prototype
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v2.1.2 INEM-KONČAR 35 sep 2018 v20 prototype
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v3.0.3 INEM-KONČAR 220 oct 2018 v20 selling
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v3.0.3 INEM-KONČAR 220 oct 2018 v20 for sale
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v2.0.5 Marvin 1 nov 2018 v20 handwork
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v2.0.5 Marvin 1 nov 2018 v20 handwork
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v3.0.3 INEM-KONČAR 35 jan 2019 v20 for sale
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Emard
7 years ago