Cirrus Logic CK4970x4 - Manual (Page 55)

A-1 Copyright 2012 Cirrus Logic, Inc. DS898CK7
Modification for the Serial Flash Chip Select Signal on DC4953x3
CK49x User’s Manual
Appendix A
Modification for the Serial Flash Chip Select Signal on DC4953x3
This modification should be present on daughter cards populated with CS495303 and CS495313 to
enable Host Controlled Master Boot from the serial flash connected to SCP2 port of the DSP.
1. Refer to
Figure A-1 .
2. Remove R93
3. Connect wire from pin 38 of U1 (DSP) to pad 1 of R93.
Figure A-1. Flash Chip Select for DC4953x3
DSP
14
38
R93
U1
\SPI_FLASH_CS