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SAMV71Q21 датащи(PDF) 15 Page - Microchip Technology

номер детали SAMV71Q21
подробное описание детали  SAM E70/S70/V70/V71 Family Silicon Errata and Data Sheet Clarification
PDF  41 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SAMV71Q21 датащи(HTML) 15 Page - Microchip Technology

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5.
Device
5.1
AHB Peripheral (AHBP) Port Frequency Ratio
Peripheral accesses done through the AHBP with a Core/Bus ratio of 1/3 and 1/4 may lead to
unpredictable results.
Workaround
The user must use a Core/Bus frequency ratio of 1 or 1/2.
Affected Silicon Revisions
A
B
X
X
5.2
AHB Slave (AHBS) Port Latency Access
DMA accesses done through the AHBS to the TCM with a Core/Bus ratio of 1/2, 1/3, and 1/4 may lead to
latency due to one Wait state added to the access from the bus to AHBS.
Workaround
The user must use only the Core/Bus frequency ratio of 1 to guarantee the length of the access.
Affected Silicon Revisions
A
B
X
X
SAM E70/S70/V70/V71 Family
Device
© 2018 Microchip Technology Inc.
Datasheet Errata
DS80000767C-page 15



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