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Booting options (SBC Lynx)

371 bytes removed, 15:41, 12 October 2016
→‎Internal boot
!Notes
|-
| XUBx0xxx<br>XUBx2xxx|| pull-down || pull-down || pull-down || pull-down || pull-up || pull-down || pull-down || pull-down || pull-up || pull-up || pull-up || pull-up || pull-up || pull-up || pull-down || pull-up || pull-up || pull-down || pull-down || pull-up || pull-up || pull-up || pull-up || pull-up || pull-up ||
|-
| XUBx1xxx<br>XUBx2xxx|| TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || TBD || || TBD || TBD || TBD ||
|}
 
 
 
 
selection of the device from which the Boot ROM retrieves Program Image along with several further device-specific configuration settings, can be done in two different ways, depending on <code>BT_FUSE_SEL</code> bit:
* 0 (shipped value): GPIOs
**This technique - also known as ''GPIO override'' - is typically used during the development stage.
* 1: eFUSE.
**In this case <code>BOOT_CFG</code> bits are fetched from OTP memory.
===Serial downloader===
U0001
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