AT32UC3L064-AUTES ATMEL [ATMEL Corporation], AT32UC3L064-AUTES Datasheet - Page 82
AT32UC3L064-AUTES
Manufacturer Part Number
AT32UC3L064-AUTES
Description
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT32UC3L064-AUTES.pdf
(88 pages)
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10.4.22
10.4.23
32099DS–06/2010
I/O Pins
Chip
5. VERSION register reads 0x200
6. The aWire debug interface is reset after leaving Shutdown mode
1. PB10 is not 3.3V tolerant
2. Analog multiplexing consumes extra power
3. PA02, PB01, PB04, PB05, and RESET_N have half of the pull-up strength
4. OCD MCKO and MDO[3] are swapped in the AUX1 mapping
5. The JTAG is enabled at power up
1. Power consumption in static mode is too high
2. Shutdown mode is not functional
aWire enable does not work in Static mode.
Fix/Workaround
None.
The VERSION register reads 0x200 instead of 0x210.
Fix/Workaround
None.
If the aWire debug mode is used as debug interface and the program enters Shutdown
mode, the aWire interface will be reset when the device receives a wakeup either from the
WAKE_N pin or the AST.
Fix/Workaround
None.
PB10 should be grounded on the PCB and left unused.
Fix/Workaround
None.
Current consumption on VDDIO increases when the voltage on analog inputs is close to
VDDIO/2.
Fix/Workaround
None.
Pins PA02, PB01, PB04, PB05, and RESET_N have half of the specified pull-up strength.
Fix/Workaround
None.
When using the OCD AUX1 mapping of trace signals MDO[3] is located on pin PB05
and MCKO is located on PB01.
Fix/Workaround
Swap pins PB01 and PB05 if using OCD AUX1.
The JTAG function on pins PA00, PA01, PA02, and PA03, are enabled after startup. Normal
I/O module functionality is not possible on these pins.
Fix/Workaround
Add a 10kOhm pullup on the reset line.
Power consumption in static mode is too high when PA21 is high.
Fix/Workaround
Ensure PA21 is low.
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