AT32UC3A0512-ALUT Atmel, AT32UC3A0512-ALUT Datasheet - Page 529
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A0512-ALUT
Manufacturer:
ATMEL
Quantity:
2 155
Part Number:
AT32UC3A0512-ALUT
Manufacturer:
AT
Quantity:
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30.7.4
Figure 30-30. Example of DMA Chained List
32058J–AVR32–04/11
USB DMA Channel X Registers
(Current Transfer Descriptor)
Next Descriptor Address
Memory Area
Data Buffer 1
Data Buffer 2
Data Buffer 3
HSB Address
USB DMA Operation
Control
Status
USB packets of any length may be transferred when required by the USB controller. These
transfers always feature sequential addressing. These two characteristics mean that in case of
high USB controller throughput, both HSB ports will benefit from “incrementing burst of unspeci-
fied length” since the average access latency of HSB slaves can then be reduced.
The DMA uses word “incrementing burst of unspecified length” of up to 256 beats for both data
transfers and channel descriptor loading. A burst may last on the HSB busses for the duration of
a whole USB packet transfer, unless otherwise broken by the HSB arbitration or the HSB 1 kbyte
boundary crossing.
Packet data HSB bursts may be locked on a DMA buffer basis for drastic overall HSB bus band-
width performance boost with paged memories. This is because these memories row (or bank)
changes, which are very clock-cycle consuming, will then likely not occur or occur once instead
of dozens of times during a single big USB packet DMA transfer in case other HSB masters
address the memory. This means up to 128 words single cycle unbroken HSB bursts for bulk
pipes/endpoints and 256 words single cycle unbroken bursts for isochronous pipes/endpoints.
This maximal burst length is then controlled by the lowest programmed USB pipe/endpoint size
(PSIZE/EPSIZE) and DMA channel byte length (CH_BYTE_LENGTH).
The USB controller average throughput may be up to nearly 1.5 Mbyte/s. Its average access
latency decreases as burst length increases due to the 0 wait-state side effect of unchanged
pipe/endpoint. Word access allows reducing the HSB bandwidth required for the USB by 4 com-
pared to native byte access. If at least 0 wait-state word burst capability is also provided by the
other DMA HSB bus slaves, each of both DMA HSB busses need less than 1.1% bandwidth
allocation for full USB bandwidth usage at 33 MHz, and less than 0.6% at 66 MHz.
Next Descriptor Address
Transfer Descriptor
HSB Address
Control
Next Descriptor Address
Transfer Descriptor
HSB Address
Control
Next Descriptor Address
Transfer Descriptor
HSB Address
Control
AT32UC3A
NULL
529
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