AT32UC3B0128 Atmel Corporation, AT32UC3B0128 Datasheet - Page 656
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AT32UC3B0128
Manufacturer Part Number
AT32UC3B0128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B0128
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
44
Ext Interrupts
44
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
4
Twi (i2c)
1
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Manufacturer:
XILINX
Quantity:
150
Company:
Part Number:
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Manufacturer:
ATMEL
Quantity:
9 500
Company:
Part Number:
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ATMEL
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1 400
Part Number:
AT32UC3B0128-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT32UC3B0128-Z2UT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
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32059L–AVR32–01/2012
- OCD
- Processor and Architecture
1. The auxiliary trace does not work for CPU/HSB speed higher than 50MHz
1. LDM instruction with PC in the register list and without ++ increments Rp
2. RETE instruction does not clear SREG[L] from interrupts
3. RETS behaves incorrectly when MPU is enabled
4. Privilege violation when using interrupts in application mode with protected system
5. USART
6. ISO7816 info register US_NER cannot be read
7. ISO7816 Mode T1: RX impossible after any TX
The auxiliary trace does not work for CPU/HSB speed higher than 50MHz.
Fix/Workaround
Do not use the auxiliary trace for CPU/HSB speed higher than 50MHz.
For LDM with PC in the register list: the instruction behaves as if the ++ field is always set, ie
the pointer is always updated. This happens even if the ++ field is cleared. Specifically, the
increment of the pointer is done in parallel with the testing of R12.
Fix/Workaround
None.
The RETE instruction clears SREG[L] as expected from exceptions.
Fix/Workaround
When using the STCOND instruction, clear SREG[L] in the stacked value of SR before
returning from interrupts with RETE.
RETS behaves incorrectly when MPU is enabled and MPU is configured so that system
stack is not readable in unprivileged mode.
Fix/Workaround
Make system stack readable in unprivileged mode, or return from supervisor mode using
rete instead of rets. This requires:
1. Changing the mode bits from 001 to 110 before issuing the instruction. Updating the
mode bits to the desired value must be done using a single mtsr instruction so it is done
atomically. Even if this step is generally described as not safe in the UC technical reference
manual, it is safe in this very specific case.
2. Execute the RETE instruction.
stack
If the system stack is protected by the MPU and an interrupt occurs in application mode, an
MPU DTLB exception will occur.
Fix/Workaround
Make a DTLB Protection (Write) exception handler which permits the interrupt request to be
handled in privileged mode.
The NER register always returns zero.
Fix/Workaround
None.
RX impossible after any TX.
Fix/Workaround
SOFT_RESET on RX+ Config US_MR + Config_US_CR.
656
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