annotate pirelli/usb @ 158:8ed06e07b19e

start of C123 bootloader re
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 15 May 2014 06:43:14 +0000
parents 7a84f9e42a84
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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9
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 All PCB trace connections to the USB connector are made on the outer layer
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 on the battery/SIM side of the PCB; none on the display/keypad side or on any
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 of the inner layers.
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 The L1 copper image from steve-m shows that the ID pin appears to be totally
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 unconnected. The GND, VBUS and data pair connections appear the way one would
7a84f9e42a84 Pirelli PCB: failed attempt at tracing out the 4 under-SIM test points
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 expect.