Date:2013-01-04 19:57:12 (11 years 2 months ago)
Author:Werner Almesberger
Commit:a58e78910e5f1639ed4b5c9660898dac0d27e2ce
Message:ubb-jtag/ubb-jtag-m1.sch: connect VREF to 2.5 V; explain that R3 is untested

Files: ubb-jtag/ubb-jtag-m1.sch (4 diffs)

Change Details

ubb-jtag/ubb-jtag-m1.sch
1EESchema Schematic File Version 2 date Fri Jan 4 15:09:41 2013
1EESchema Schematic File Version 2 date Fri Jan 4 15:57:06 2013
22LIBS:pwr
33LIBS:r
44LIBS:8_10-card
55LIBS:conn
6LIBS:ubb-jtag-m1-cache
67EELAYER 25 0
78EELAYER END
89$Descr A4 11693 8268
...... 
124125    1 6000 4250
125126    -1 0 0 1
126127$EndComp
127NoConn ~ 4300 3100
128128Text Label 7400 3000 0 60 ~ 0
129129DAT2
130130Text Label 7400 3300 0 60 ~ 0
...... 
141141680
142142Text Notes 6950 5400 0 60 ~ 0
143143220+680
144Text Notes 7400 5350 0 60 ~ 0
145= 2.49 V
146Text Notes 5900 5200 0 60 ~ 0
147Voltage dividers:
148Text Notes 3050 4050 0 60 ~ 0
149Milkymist One
150$Comp
151L 2V5 #PWR02
152U 1 1 50E725D8
153P 4300 2600
154F 0 "#PWR02" H 4300 2560 30 0001 C CNN
155F 1 "2V5" H 4300 2750 60 0000 C CNN
156    1 4300 2600
157    1 0 0 -1
158$EndComp
144159Wire Wire Line
145160    8200 3100 7800 3100
146161Wire Wire Line
...... 
234249Connection ~ 6300 4700
235250Wire Notes Line
236251    6950 5300 7350 5300
237Text Notes 7400 5350 0 60 ~ 0
238= 2.49 V
239Text Notes 5900 5200 0 60 ~ 0
240Voltage dividers:
241Text Notes 3050 4050 0 60 ~ 0
242Milkymist One
252Wire Wire Line
253    4300 2600 4300 3100
254Text Notes 5700 5700 0 60 ~ 0
255R3 is absent in the proof of concept implementation and thus untested.
243256$EndSCHEMATC

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