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PDF SAME70N20 Data sheet ( Hoja de datos )

Número de pieza SAME70N20
Descripción SMART ARM-based Flash MCU
Fabricantes ATMEL Corporation 
Logotipo ATMEL Corporation Logotipo



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SAM E70
Atmel | SMART ARM-based Flash MCU
DATASHEET
Description
The Atmel® | SMART SAM E70 devices are members of a family of Flash
microcontrollers based on the high-performance 32-bit ARM® Cortex®-M7
processor with Floating Point Unit (FPU). These devices operate at up to
300 MHz and feature up to 2048 Kbytes of Flash and up to 384 Kbytes of multi-
port SRAM.
The on-chip SRAM can be configured as Tightly Coupled Memory (TCM) or
system memory. A multi-port access to the SRAM guarantees a minimum access
latency.
The peripheral set includes an Ethernet MAC (GMAC) supporting AVB,
IEEE1588, 802.1Qbb, 802.3az, 802.1AS and 802.1Qav, a high-speed USB
Device port and a high-speed USB Host port sharing an embedded transceiver,
an Image Sensor Interface (ISI), a high-speed Multimedia Card Interface (HSMCI)
for SDIO/SD/e.MMC, an External Bus Interface (EBI) featuring an SDRAM
Controller, and a Static Memory Controller providing connection to SRAM,
PSRAM, NOR Flash, LCD module and NAND Flash. Additional peripherals
include three Universal Synchronous Asynchronous Receiver Transmitters
(USART), five Universal Asynchronous Receiver Transmitters (UART), three
Two-wire Interfaces (TWI) supporting the I2C protocol, one Quad I/O Serial
Peripheral Interface (QSPI), two Serial Peripheral Interfaces (SPI), one Serial
Synchronous Controller (SSC) supporting I2S and TDM protocols, as well as two
enhanced Pulse Width Modulators (PWM), twelve general-purpose 16-bit timers
with stepper motor and quadrature decoder logic support, two Controller Area
Networks with Flexible Data Rate (CAN-FD), one ultra low-power Real-Time
Timer (RTT), one ultra low-power Real-Time Clock (RTC), dual Analog Front-End
(AFE) including a 12-bit Analog-to-Digital Converter (ADC), a Programmable Gain
Amplifier (PGA), dual Sample-and-Hold and a digital averaging with up to 16-bit
resolution, dual-channel 12-bit Digital-to-Analog Converter (DAC) and one Analog
Comparator.
The SAM E70 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. This feature, called SleepWalking™, performs a partial
asynchronous wake-up, thus allowing the processor to wake up only when
needed. In Backup mode, RTT, RTC and wake-up logic are running. Optionally a
1-Kbyte low-power SRAM can be retained.
To optimize power consumption, the clock system has been designed to support
different clock frequencies for selected peripherals. Moreover, the processor and
bus clock frequency can be modified without affecting processing on, for example,
the USB, U(S)ART, AFE and Timer Counter.
Atmel-11296C-ATARM-SAM E70-Datasheet_19-Jun-15

1 page




SAME70N20 pdf
Table 1-1. Configuration Summary (Continued)
Feature
SAME70Q21 SAME70Q20 SAME70Q19
TWIHS
3
HSMCI
1 port
4 bits
CAN
2 ports
GMAC
MII, RMII
ISI 12-bit
SSC
Yes
USB
High-speed
Analog Comparator
Yes
Embedded Trace
Macrocell (ETM)
Yes
SAME70N21
Notes: 1. LON support on USART1 only.
2. One channel is reserved for internal temperature sensor.
SAME70N20
3
1 port
4 bits
2 ports
MII, RMII
12-bit
Yes
High-speed
Yes
Yes
SAME70N19
SAME70J21
SAME70J20
2
1 port
RMII
8-bit
Yes
Full-speed
Yes
Yes
SAME70J19

5 Page





SAME70N20 arduino
Table 3-1. Signal Description List (Continued)
Signal Name
Function
Type
Active Voltage
Level Reference
PWMCx_PWMFI0–
PWMCx_PWMFI2
Fault Input
Input
PWMCx_PWMEXTRG0–
PWMCx_PWMEXTRG1
External Trigger Input
Input
Serial Peripheral Interface - SPI(x=[0..1])
SPIx_MISO
Master In Slave Out
I/O –
SPIx_MOSI
Master Out Slave In
I/O –
SPIx_SPCK
SPI Serial Clock
I/O –
SPIx_NPCS0
SPI Peripheral Chip Select 0
I/O Low
SPIx_NPCS1–
SPIx_NPCS3
SPI Peripheral Chip Select
Output
Low
Quad IO SPI - QSPI
QSCK
QSPI Serial Clock
Output
QCS
QSPI Chip Select
Output
QIO0–QIO3
QSPI I/O
QIO0 is QMOSI Master Out
Slave In
QIO1 is QMISO Master In Slave
Out
I/O
Two-Wire Interface - TWIHS(x=0..2)
TWDx
TWIx Two-wire Serial Data
I/O –
TWCKx
TWIx Two-wire Serial Clock
I/O –
Analog
VREFP
ADC, DAC and Analog
Comparator Positive Reference
Analog
VREFN
ADC, DAC and Analog
Comparator Negative Reference
Must be connected to GND or
GNDANA.
Analog
12-bit Analog Front End - (x=[0..1])
AFEx_AD0–AFEx_AD11 Analog Inputs
Analog,
Digital
AFEx_ADTRG
ADC Trigger
Input – VDDIO
12-bit Digital-to-Analog Converter - DAC
DAC0–DAC1
Analog Output
Analog,
Digital
DATRG
DAC Trigger
Input – VDDIO
Fast Flash Programming Interface - FFPI
PGMEN0–PGMEN1
Programming Enabling
Input – VDDIO
Comments
SAM E70 [DATASHEET]
Atmel-11296C-ATARM-SAM E70-Datasheet_19-Jun-15
11

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