AT32UC3B0128-A2UR Atmel, AT32UC3B0128-A2UR Datasheet - Page 229
AT32UC3B0128-A2UR
Manufacturer Part Number
AT32UC3B0128-A2UR
Description
MCU AVR32 128K FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B0128-A2UR
Package / Case
64-TQFP, 64-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
44
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19.11 Using the Peripheral DMA Controller
19.11.1
19.11.2
32059J–12/2010
Data Transmit with the Peripheral DMA Controller
Data Receive with the Peripheral DMA Controller
The use of the Peripheral DMA Controller significantly reduces the CPU load.
To assure correct implementation, respect the following programming sequences:
1. Initialize the Peripheral DMA Controller TX channel (memory pointers, size, etc.).
2. Configure the master mode (DADR, CKDIV, etc.).
3. Start the transfer by setting the Peripheral DMA Controller TXEN bit.
4. Wait for the Peripheral DMA Controller end TX flag.
5. Disable the Peripheral DMA Controller by setting the Peripheral DMA Controller TXDIS
1. Initialize the Peripheral DMA Controller TX channel (memory pointers, size, etc.).
2. Configure the master mode (DADR, CKDIV, etc.).
3. Start the transfer by setting the Peripheral DMA Controller RXEN 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.
AT32UC3B
229
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