ATSAM3U ATMEL [ATMEL Corporation], ATSAM3U Datasheet

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ATSAM3U

Manufacturer Part Number
ATSAM3U
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet

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1. Scope
1.1
Errata on SAM3U Engineering Sample Devices
Marking
This document describes the known errata found on the
SAM3U series engineering samples.
It applies to:
All devices are marked with the Atmel logo and the order-
ing code.
Additional marking is as follows:
where
• AT91SAM3U4E (with Marking ES)
• AT91SAM3U2E (with Marking ES)
• AT91SAM3U1E (with Marking ES)
• AT91SAM3U4C (with Marking ES)
• AT91SAM3U2C (with Marking ES)
• AT91SAM3U1C (with Marking ES)
• “YY”: manufactory year
• “WW”: manufactory week
• “V”: revision
• “XXXXXXXXX”: lot number
YYWW
XXXXXXXXX
V
ARM
AT91 ARM
Thumb-based
Microcontrollers
ATSAM3U Series
Errata Sheet
6483A–ATARM–04-Aug-09

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ATSAM3U Summary of contents

Page 1

... Additional marking is as follows: where • “YY”: manufactory year • “WW”: manufactory week • “V”: revision • “XXXXXXXXX”: lot number YYWW V ARM XXXXXXXXX AT91 ARM Thumb-based Microcontrollers ATSAM3U Series Errata Sheet 6483A–ATARM–04-Aug-09 ...

Page 2

... The associated differential input channel, AD12B1 must be enabled by the user’s software, i.e., CH1. Problem Fix This issue will be fixed in the next revision. 1.2.2.3 ADC12B: Wrong Mode after reset After reset the ADC is not in Off Mode, but in Standby Mode leading to current consumption on VDDANA (1.4 mA. instead of 0.1 µA). Workaround ATSAM3U Errata 2 6483A–ATARM–04-Aug-09 ...

Page 3

... Workaround Use the Supply Monitor Interrupt instead of polling the status register. In the interrupt handler, set the Supply Monitor in Continuos mode to check the bits SMA and SMOS. Problem Fix This issue will be fixed in the next revision. 6483A–ATARM–04-Aug-09 ATSAM3U Errata 3 ...

Page 4

... Configure by software the I/D Cortex-M3 bus as default Master for the Flash. Problem Fix This issue will be fixed in the next revision. 1.2.7 PIO 1.2.7.1 PIO: NCS1 on PA16 The chip select 1 (NCS1) of the SMC on PA16 (Peripheral B) does not work. Workaround ATSAM3U Errata 4 ® -M3 has two sources of clock, either MCK or MCK/8 6483A–ATARM–04-Aug-09 ...

Page 5

... This issue will be fixed in the next revision. 1.2.9 Wait Mode 1.2.9.1 Wait mode: VDDCORE current consumption Some parts may show a higher current consumption than expected (50 µA instead of 5 µA) on VDDCORE. Workaround None. Problem Fix This issue will be fixed in the next revision. 6483A–ATARM–04-Aug-09 ATSAM3U Errata 5 ...

Page 6

... Revision History Doc. Rev Comments 6483A First issue ATSAM3U Errata 6 Change Request Ref. 6483A–ATARM–04-Aug-09 ...

Page 7

Headquarters International Atmel Corporation Atmel Asia 2325 Orchard Parkway Unit 1-5 & 16, 19/F San Jose, CA 95131 BEA Tower, Millennium City 5 USA 418 Kwun Tong Road Tel: 1(408) 441-0311 Kwun Tong, Kowloon Fax: 1(408) 487-2600 Hong Kong Tel: ...

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