PGA450-Q1 Reset Issue During VPWR Ramp Down

Texas Instruments

Published Date: 05/24/2016

Description

During a VPWR ramp down the 8051W microcontroller comes out of reset incorrectly when VPWR is between the typical values of 3.5 V and 3.2 V which leads to faulty code execution. This application report describes this issue and the workaround for this issue.

Parts

Part Number Name Companion Part