AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 597
![IC MCU AVR32 512K FLASH 64TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0512-A2UT
Manufacturer Part Number
AT32UC3B0512-A2UT
Description
IC MCU AVR32 512K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B0512-A2UT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
44
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
96K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Controller Family/series
AT32UC3B
No. Of I/o's
44
Ram Memory Size
96KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Price
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Quantity:
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Part Number:
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Manufacturer:
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27.4.11.5
27.4.11.6
32059I–06/2010
Error Reporting
Protected Reporting
• During Shift-DR of an address: The new address is ignored. The SAB stays in address mode,
• During Shift-DR of read data: The read data is invalid. The SAB stays in data mode. Repeat
• During Shift-DR of write data: The write data is ignored. The SAB stays in data mode. Repeat
The Service Access Bus may not be able to complete all accesses as requested. This may be
because the address is invalid, the addressed area is read-only or cannot handle byte/halfword
accesses, or because the chip is set in a protected mode where only limited accesses are
allowed.
The error bit is updated when an access completes, and is cleared when a new access starts.
What to do if the error bit is set:
• During Shift-IR: The new instruction is selected. The last operation performed using the old
• During Shift-DR of an address: The previous operation failed. The new address is accepted. If
• During Shift-DR of read data: The read operation failed, and the read data is invalid.
• During Shift-DR of write data: The previous write operation failed. The new data is accepted
• While polling with CANCEL_ACCESS: The previous access was cancelled. It may or may not
• After power-up: The error bit is set after power up, but there has been no previous SAB
A protected status may be reported during Shift-IR or Shift-DR. This indicates that the security
bit in the Flash Controller is set and that the chip is locked for access, according to
27.5.1.
The protected state is reported when:
• The Flash Controller is under reset. This can be due to the AVR_RESET command or the
• The Flash Controller has not read the security bit from the flash yet (This will take a a few ms).
• The security bit in the Flash Controller is set.
What to do if the protected bit is set:
• Release all active AVR_RESET domains, if any.
• Release the RESET_N line.
• Wait a few ms for the security bit to clear. It can be set temporarily due to a reset.
continue shifting the same instruction until the busy bit clears, or start shifting data. If shifting
data, you must be prepared that the data shift may also report busy.
so no data must be shifted. Repeat the address until the busy bit clears.
scanning until the busy bit clears.
scanning until the busy bit clears.
instruction did not complete successfully.
the read bit is set, a read operation is started.
and a write operation started. This should only occur during block writes or stream writes. No
error can occur between scanning a write address and the following write data.
have actually completed.
instruction so this error can be discarded.
RESET_N line.
Happens after the Flash Controller reset has been released.
AT32UC3B
Section
597
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