SAM4S 查看數據表（PDF） - Atmel Corporation

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SAM4S

AT91SAM ARM-based Flash MCU

Atmel Corporation 

SAM4S Series [Preliminary]

Table 7-4. Peripheral DMA Controller

Instance name

Channel T/R

PIOA

Receive

TWI1

Receive

TWI0

Receive

UART1

Receive

UART0

Receive

USART1

Receive

USART0

Receive

ADC

Receive

SPI

Receive

SSC

Receive

HSMCI

Receive

7.7 Debug and Test Features

• Debug access to all memory and registers in the system, including Cortex-M4 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 breakpoints 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

31

11100BS–ATARM–31-Jul-12

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