ATSAM3A Просмотр технического описания (PDF) - Atmel Corporation

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ATSAM3A

AT91SAM ARM-based Flash MCU

Atmel Corporation 

Figure 2-2. SAM3X4/8C (100 pins) Block Diagram

SAM3X/A

TST

PCK0-PCK2

XIN

XOUT

FWUP

XIN32

XOUT32

ERASE

VDDBU

VDDCORE

VDDUTMI

NRST

TWCK0

TWD0

TWCK1

TWD1

URXD

UTXD

RXD0

TXD0

SCK0

RTS0

CTS0

RXD1

TXD1

SCK1

RTS1

CTS1

RXD2

TXD2

SCK2

RTS2

CTS2

System Controller

Voltage

Regulator

PLLA

UPLL

OSC

12M

WDT

RC

12/8/4 M

PMC

SM

SUPC

OSC 32K

RC 32k

8

GPBREG

RTT

RTC

POR

JTAG & Serial Wire

In-circuit Emulator

24-Bit

N

Cortex-M3 Processor SysTick Counter V

Fmax 84MHz

I

C

MPU

I/D

S

FLASH

2x256 KBytes

2x128 KBytes

2x64 KBytes

SRAM0 SRAM1

64 KBytes 32 KBytes ROM

32 KBytes 32 KBytes 16 KBytes

16 KBytes 16 KBytes

6-layer AHB Bus Matrix Fmax 84MHz

Low Power

Peripheral

Bridge

Peripheral

DMA

Controller

USBOTG

DMA FIFO Device

HS

RSTC

PIOA

PIOC

PIOB

TRNG

TWI0

TWI1

UART

USART0

USART1

DMA

PDC

PDC

PDC

DMA

PDC

DMA

PDC

USART2

PDC

FIFO Ethernet

DMAD1M28A-Byte TX MAC

128-Byte RX RMII

4-Channel

DMA

VBUS

DFSDM

DFSDP

DHSDM

DHSDP

UOTGVBOF

UOTGID

EREFCK

ETXEN

ECRSDV

ERXER

ERX0-ERX1

ETX0-ETX1

EMDC

EMDIO

CANRX0

CANTX0

CANRX1

CANTX1

TCLK[0:2]

TIOA[0:2]

TIOB[0:2]

PWMH[0:3]

PWML[0:3]

PWMFI[0:1]

ADTRG

AD[0..14]

ADVREF

DAC0

DAC1

DATRG

CAN0

CAN1

Timer Counter A

TC[0..2]

Timer Counter B

TC[3..5]

Timer Counter C

TC[6..8]

PWM DMA

Temp.

ADC Sensor

PDC

PDC

DAC

PDC

High Performance

Peripherals

Bridge

DMA

SPI0

DMA

SSC

DMA

HSMCI

SPI0_NPCS0

SPI0_NPCS1

SPI0_NPCS2

SPI0_NPCS3

MISO0

MOSI0

SPCK0

TF

TK

TD

RD

RK

RF

MCCK

MCCDA

MCDA[0..3]

7

11057BS–ATARM–13-Jul-12

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