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Active usb bootloader, Errata list – Rainbow Electronics AT89C5132 User Manual

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AT89C5132

4253A–USB–08/03

Active USB Bootloader

Errata List

No Active Errata

USB Bootloader Errata History

USB Bootloader Errata Description

1.

Boot Process - Marginal SBV Value

When Bootloader is called from user’s application with SBV = F0h, the bootloader is never executed and execution
enters an infinite loop.

Workaround

Always set SBV value to FFh instead of F0h.

Version Number

Errata List

V1.6.0

1

V1.6.2

None