FreeCalypso > hg > freecalypso-reveng

annotate pirelli/32khz @ 196:3147e960aeff

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
pirelli/32khz: investigative note checked in
author Michael Spacefalcon <falcon@ivan.Harhan.ORG>
date Sun, 15 Mar 2015 01:13:42 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
196
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
1 Let's see if Pirelli's PCB layout implements the "special" GND for the 32 kHz
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
2 oscillator like TI's schematics and app notes indicate.
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
3
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
4 VSSO ball (A14): no trace on L1, so must be a micro-via right under the ball
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
5 itself. L1 coord (3640,1049). GND side of the cap for V-RTC power balls:
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
6 micro-vias at (3435,970) and (3458,980).