AT32UC3A0512-ALUT Atmel, AT32UC3A0512-ALUT Datasheet - Page 135
![IC MCU AVR32 512KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A0512-ALUT
Manufacturer Part Number
AT32UC3A0512-ALUT
Description
IC MCU AVR32 512KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A0512-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K 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
144-LQFP
Package
144LQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
66 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
69
Interface Type
Ethernet/I2S/JTAG/SPI/TWI/USART
Number Of Timers
3
Processor Series
AT32UC3x
Core
AVR32
Data Ram Size
64 KB
Maximum Clock Frequency
66 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1100, ATEVK1105, ATAVRRZ600
Minimum Operating Temperature
- 40 C
For Use With
ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Manufacturer
Quantity
Price
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19.5.2.2
19.5.2.3
19.5.3
19.6
32058J–AVR32–04/11
Slave and Master assignation
Fixed Priority Arbitration
Round-Robin Arbitration with Last Default Master
Round-Robin Arbitration with Fixed Default Master
This is a biased round-robin algorithm used by Bus Matrix arbiters. It allows the Bus Matrix to
remove the one latency cycle for the last master that accessed the slave. In fact, at the end of
the current transfer, if no other master request is pending, the slave remains connected to the
last master that performed the access. Other non privileged masters still get one latency cycle if
they want to access the same slave. This technique can be used for masters that mainly perform
single accesses.
This is another biased round-robin algorithm. It allows the Bus Matrix arbiters to remove the one
latency cycle for the fixed default master per slave. At the end of the current access, the slave
remains connected to its fixed default master. Every request attempted by this fixed default mas-
ter will not cause any latency whereas other non privileged masters will still get one latency
cycle. This technique can be used for masters that mainly perform single accesses.
This algorithm allows the Bus Matrix arbiters to dispatch the requests from different masters to
the same slave by using the fixed priority defined by the user. If two or more master requests are
active at the same time, the master with the highest priority number is serviced first. If two or
more master requests with the same priority are active at the same time, the master with the
highest number is serviced first.
For each slave, the priority of each master may be defined through the Priority Registers for
Slaves (PRAS and PRBS).
The index number assigned to Bus Matrix slaves and masters are described in Memories
chapter.
AT32UC3A
135
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