ATSAM3X 查看數據表（PDF） - Atmel Corporation

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ATSAM3X

AT91SAM ARM-based Flash MCU

Atmel Corporation 

2. SAM3X/A Block Diagram

Figure 2-1. SAM3A4/8C (100 pins) Block Diagram

TST

PCK0-PCK2

XIN

XOUT

FWUP

XIN32

XOUT32

ERASE

VDDBU

VDDCORE

VDDUTMI

NRST

TWCK0

TWD0

TWCK1

TWD1

URXD

UTXD

TXD0

SCK0

RTS0

CTS0

RXD1

TXD1

SCK1

RTS1

CTS1

RXD2

TXD2

SCK2

RTS2

CTS2

System Controller

Voltage

Regulator

PLLA

UPLL

OSC

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 SysTic Counter V

Fmax 84 MHz

I

C

MPU

I/D

S

Flash

SRAM0 SRAM1

2x256 KBytes 64 KBytes 32 KBytes ROM

2x128 KBytes 32 KBytes 32 KBytes 16 KBytes

2x64 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

VBUS

DFSDM

DFSDP

DHSDM

DHSDP

UOTGVBOF

UOTGID

PIOA

PIOC

PIOB

TRNG

TWI0

DMA

PDC

TWI1

PDC

DMA

UART

PDC

DMA

USART0

USART1

PDC

DMA

PDC

USART2

PDC

4-Channel

DMA

CANRX0

CANTX0

CANRX1

CANTX1

TCLK[0:2]

TIOA[0:2]

TIOB[0:2]

TCLK[3:5]

TIOA[3:5]

TIOB[3:5]

PWMH[0:3]

PWML[0:7]

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

Temp.

Sensor

ADC

DMA

PDC

PDC

DAC

PDC

High Performance

Peripheral

Bridge

DMA DMA

SPI0

DMA DMA

SSC

DMA DMA

HSMCI

SPI0_NPCS0

SPI0_NPCS1

SPI0_NPCS2

SPI0_NPCS3

MISO0

MOSI0

SPCK0

TF

TK

TD

RD

RK

RF

MCCK

MCCDA

MCDA[0..3]

6 SAM3X/A

11057BS–ATARM–13-Jul-12

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