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ATSAM3U Datasheet(PDF) 29 Page - ATMEL Corporation

Part # ATSAM3U
Description  AT91ARM Cortex M3-based Microcontrollers
PDF  62 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATSAM3U Datasheet(HTML) 29 Page - ATMEL Corporation

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29
6430CS–ATARM–09-Apr-10
SAM3U Series
The Peripheral DMA Controller handles transfer requests from the channel according to the fol-
lowing priorities (Low to High priorities):
7.8
Debug and Test Features
• Debug access to all memory and registers in the system, including Cortex-M3 register bank
when the core is running, halted, or held in reset.
• Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access
• Flash Patch and Breakpoint (FPB) unit for implementing break points and code patches
• Data Watchpoint and Trace (DWT) unit for implementing watch points, data tracing, and
system profiling
• Instrumentation Trace Macrocell (ITM) for support of printf style debugging
•IEEE® 1149.1 JTAG Boundary-scan on all digital pins
Table 7-5.
Peripheral DMA Controller
Instance name
Channel T/R
TWI1
Transmit
TWI0
Transmit
PWM
Transmit
UART
Transmit
USART3
Transmit
USART2
Transmit
USART1
Transmit
USART0
Transmit
TWI0
Receive
TWI1
Receive
UART
Receive
USART3
Receive
USART2
Receive
USART1
Receive
USART0
Receive
ADC
Receive
ADC12B
Receive



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