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PDF SAM3A4C Data sheet ( Hoja de datos )

Número de pieza SAM3A4C
Descripción SMART ARM-based MCU
Fabricantes ATMEL Corporation 
Logotipo ATMEL Corporation Logotipo



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SAM3X / SAM3A Series
Atmel | SMART ARM-based MCU
DATASHEET
Description
The Atmel| SMART SAM3X/A series is a member of a family of Flash
microcontrollers based on the high performance 32-bit ARMCortex-M3 RISC
processor. It operates at a maximum speed of 84 MHz and features up to
512 Kbytes of Flash and up to 100 Kbytes of SRAM. The peripheral set includes a
High Speed USB Host and Device port with embedded transceiver, an Ethernet
MAC, 2 CANs, a High Speed MCI for SDIO/SD/MMC, an External Bus Interface
with NAND Flash Controller (NFC), 5 UARTs, 2 TWIs, 4 SPIs, as well as a PWM
timer, three 3-channel general-purpose 32-bit timers, a low-power RTC, a low-
power RTT, 256-bit General Purpose Backup Registers, a 12-bit ADC and a 12-bit
DAC.
The SAM3X/A devices have three software-selectable low-power modes: Sleep,
Wait and Backup. In Sleep mode, the processor is stopped while all other
functions can be kept running. In Wait mode, all clocks and functions are stopped
but some peripherals can be configured to wake up the system based on
predefined conditions. In Backup mode, only the RTC, RTT, and wake-up logic
are running.
The SAM3X/A series is ready for capacitive touch thanks to the QTouch library,
offering an easy way to implement buttons, wheels and sliders.
The SAM3X/A architecture is specifically designed to sustain high-speed data
transfers. It includes a multi-layer bus matrix as well as multiple SRAM banks,
PDC and DMA channels that enable it to run tasks in parallel and maximize data
throughput.
The device operates from 1.62V to 3.6V and is available in 100 and 144-lead
LQFP, 100-ball TFBGA and 144-ball LFBGA packages.
The SAM3X/A devices are particularly well suited for networking applications:
industrial and home/building automation, gateways.
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15

1 page




SAM3A4C pdf
Figure 2-2. SAM3X4/8C (100 pins) Block Diagram
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
GPBR
RTT
RTC
POR
JTAG & Serial Wire
In-circuit Emulator
24-bit
N
Cortex-M3 Processor SysTick Counter V
fmax 84 MHz
I
C
MPU
I/D S
Flash
2x256 Kbytes
2x128 Kbytes
2x64 Kbytes
SRAM0
64 Kbytes
32 Kbytes
16 Kbytes
SRAM1
32 Kbytes
32 Kbytes
16 Kbytes
ROM
16 Kbytes
6-layer AHB Bus Matrix fmax 84 MHz
Low Power
Peripheral
Bridge
Peripheral
DMA
Controller
USB
DMA FIFO Mini Host/
Device HS
RSTC
PIOA
PIOC
PIOB
TRNG
TWI0
TWI1
UART
DMA
PDC
PDC
PDC
DMA
USART0
USART1
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 0
TC[0..2]
Timer Counter 1
TC[3..5]
Timer Counter 2
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
SPI0_MISO
SPI0_MOSI
SPI0_SPCK
TF
TK
TD
RD
RK
RF
MCCK
MCCDA
MCDA[0..3]
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
5

5 Page





SAM3A4C arduino
Table 3-1. Signal Description List (Continued)
Signal Name
Function
Type
Active Voltage
Level Reference Comments
Ethernet MAC 10/100 - EMAC
EREFCK
Reference Clock
Input
RMII only
ETXCK
Transmit Clock
Input
MII only
ERXCK
Receive Clock
Input
MII only
ETXEN
Transmit Enable
Output
ETX0–ETX3
Transmit Data
Output
ETX0–ETX1
only in RMII
ETXER
Transmit Coding Error
Output
MII only
ERXDV
Receive Data Valid
Input
MII only
ECRSDV
Carrier Sense and Data Valid
Input
RMII only
ERX0–ERX3
Receive Data
Input
ERX0–ERX1
only in RMII
ERXER
Receive Error
Input
ECRS
Carrier Sense
Input
MII only
ECOL
Collision Detected
Input
MII only
EMDC
Management Data Clock
Output
EMDIO
Management Data Input/Output
I/O
CAN Controller - CANx
CANRXx
CAN Input
Input
CANTXx
CAN Output
Output
Synchronous Serial Controller - SSC
TD
SSC Transmit Data
Output
RD
SSC Receive Data
Input
TK
SSC Transmit Clock
I/O
RK
SSC Receive Clock
I/O
TF
SSC Transmit Frame Sync
I/O
RF
SSC Receive Frame Sync
I/O
Timer/Counter - TC
TCLKx
TC Channel x External Clock Input Input
TIOAx
TC Channel x I/O Line A
I/O
TIOBx
TC Channel x I/O Line B
I/O
Pulse Width Modulation Controller - PWMC
PWMHx
PWM Waveform Output High for
channel x
Output
PWMLx
PWM Waveform Output Low for
channel x
Output
Only output in
complementary mode when
dead time insertion is
enabled
PWMFIx
PWM Fault Input for channel x
Input
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
11

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