annotate pirelli/32khz @ 196:3147e960aeff

pirelli/32khz: investigative note checked in
author Michael Spacefalcon <falcon@ivan.Harhan.ORG>
date Sun, 15 Mar 2015 01:13:42 +0000
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3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
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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:
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2 oscillator like TI's schematics and app notes indicate.
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
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3
3147e960aeff pirelli/32khz: investigative note checked in
Michael Spacefalcon <falcon@ivan.Harhan.ORG>
parents:
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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>
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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:
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6 micro-vias at (3435,970) and (3458,980).