AT32UC3A0512_14 datasheet(92/98 Pages) ATMEL

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AT32UC3A0512 Datasheet(PDF) 92 Page - ATMEL Corporation

Part #	AT32UC3A0512

Description	High Performance, Low Power 32-Bit Atmel AVR Microcontroller

Download	98 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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92 / 98 page

AT32UC3A

The RTC CLKEN bit (bit number 16) of CTRL register is not available.

Fix/Workaround

Do not use the CLKEN bit of the RTC on Rev E.

15.5.14

OCD

Stalled memory access instruction writeback fails if followed by a HW breakpoint.

Consider the following assembly code sequence:

If a hardware breakpoint is placed on instruction B, and instruction A is a memory access

instruction, register file updates from instruction A can be discarded.

Fix/Workaround

Do not place hardware breakpoints, use software breakpoints instead.

Alternatively, place a hardware breakpoint on the instruction before the memory

access instruction and then single step over the memory access instruction.

15.5.15

PDCA

Wrong PDCA behavior when using two PDCA channels with the same PID.

Workaround/fix

The same PID should not be assigned to more than one channel.

15.5.16

TWI

The TWI RXRDY flag in SR register is not reset when a software reset is performed.

Fix/Workaround

After a Software Reset, the register TWI RHR must be read.

32058KS–AVR32–01/12

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT32UC3A0512	11Mb / 826P	AVR32 32-Bit Microcontroller

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT32UC3A3256S	1Mb / 94P	High Performance, Low Power 32-bit Atmel AVR Microcontroller
	AT32UC3B0512	1Mb / 107P	High Performance, Low Power 32-Bit Atmel AVR Microcontroller
	AT32UC3L064	1Mb / 113P	High-performance, Low-power 32-bit Atmel AVR Microcontroller
	AT32UC3L0128	1Mb / 96P	32-bit Atmel AVR Microcontroller
	AT32UC3L064	1Mb / 111P	32-bit Atmel AVR Microcontroller
	AT32UC3L0256-D3HT	1Mb / 96P	32-bit Atmel AVR Microcontroller
	AT32UC3C0512C	2Mb / 110P	High Performance, Low Power 32-bit AVR Microcontroller
	AT32UC3C0512C	2Mb / 110P	High Performance, Low Power 32-bit AVR Microcontroller
	ATA5505	5Mb / 294P	High Performance, Low Power Atmel AVR 8-bit Microcontroller Advanced RISC Architecture
	ATMEGA64	7Mb / 414P	High-performance, Low-power Atmel AVR

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