AT32UC3A364-ALUT Atmel, AT32UC3A364-ALUT Datasheet - Page 478
AT32UC3A364-ALUT
Manufacturer Part Number
AT32UC3A364-ALUT
Description
IC MCU 64KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A364-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number Of I /o
110
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
128K 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
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
96 KB
Interface Type
IrDA/SCI/SCIF/UDI
Maximum Clock Frequency
66 MHz
Number Of Timers
3
Operating Supply Voltage
3 V to 3.6 V
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, ATEVK1104
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
110
Ram Memory Size
64KB
Cpu Speed
66MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
ATEVK1104 - KIT DEV/EVAL FOR AVR32 AT32UC3AATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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23.8.5.2
23.8.6
Figure 23-10. Programmer Sends Data While the Bus is Busy
32072C–AVR32–2010/03
TWI DATA transfer
(DADR + W + START + Write THR)
Multi-master Mode
TWCK
TWD
Data Receive with the Peripheral DMA Controller
A transfer is programmed
More than one master may access the bus at the same time without data corruption by using
arbitration.
Arbitration starts as soon as two or more masters place information on the bus at the same time,
and stops (arbitration is lost) for the master that intends to send a logical one while the other
master sends a logical zero.
As soon as arbitration is lost by a master, it stops sending data and listens to the bus in order to
detect a STOP. The SR.ARBLST flag will be set. When the STOP is detected, the master who
lost arbitration may reinitiate the data transfer.
Arbitration is illustrated in
If the user starts a transfer and if the bus is busy, TWIM automatically waits for a STOP condition
on the bus before initiating the transfer (see
Note:
5. Disable the Peripheral DMA Controller by setting the Peripheral DMA Controller TXDIS
1. Initialize the receive Peripheral DMA Controller (memory pointers, size, etc.).
2. Configure the TWIM (ADR, NBYTES, etc.).
3. Start the transfer by setting the Peripheral DMA Controller RXTEN bit.
4. Wait for the Peripheral DMA Controller end RX flag.
5. Disable the Peripheral DMA Controller by setting the Peripheral DMA Controller RXDIS
bit.
bit.
The state of the bus (busy or free) is not indicated in the user interface.
DATA sent by a master
Bus is busy
STOP sent by the master
Transfer is kept
Figure 23-11 on page
Bus is free
Bus is considered as free
Transfer is initiated
Figure 23-10 on page
479.
START sent by the TWI
AT32UC3A3/A4
DATA sent by the TWI
478).
478
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