ATSAME54N20A-AF Microchip 32bit MCU

ATSAME54N20A-AF Overview

The SAM E54 high performance micro-controller series features a 32-bit ARM® Cortex®-M4 processor with Floating Point Unit (FPU), running up to 120 MHz ,up to 1 MB Dual Panel Flash with ECC, and up to 256 KB of SRAM with ECC .It also adds a 10/100 Ethernet MAC and 2 CAN-FD ports targeted for industrial automation ,automotive applications and general purpose applications requiring Wired connectivity.

Series offers excellent features with class leading power performance and integrated hardware security.

Key features

· Quad Serial Peripheral Interface(QSPI) with Execute in Place (XIP) Support.

· Up to 2 Secure Digital Host Controller (SDHC)

· 10/100 Ethernet MAC with IEEE 1588 support.

· Up to 2 CAN-FD Interface.

· Inter-IC Sound(I2S)Controller for Audio

· Peripheral Touch Controller (PTC) supporting up to 256 channels of capacitive touch .

· Full speed USB with embedded Host/device.

· Supports 5 Low power modes with class leading 65µA/MHz Active Power Performance.

· Integrated security including Asymmetric and Symmetric Crypto hardware acceleration

· Serial communication (SERCOM) ports configurable as UART/USART, ISO 7816, SPI or I2C

Supported by MPLAB X IDE and MPLAB Harmony.

Features

Processor

ARM Cortex-M4F CPU running at up to 120 MHz

Floating Point Unit (FPU)
Embedded Trace Module (ETM) with instruction trace stream
Core Sight Embedded Trace Buffer (ETB)

Memories

512 KB in-system self-programmable Flash with:
- Error Correction Code (ECC)
- Dual bank with Read-While-Write (RWW) support
- EEPROM hardware emulation
192KB SRAM Main Memory
- Error Correction Code (ECC) RAM option
Up to 4 KB of Tightly Coupled Memory (TCM)
Up to 8 KB additional SRAM with backup retention capability

System

Power-on Reset (POR) and Brown-out detection (BOD)
Internal and external clock options
External Interrupt Controller (EIC)
Two-pin Serial Wire Debug (SWD) programming, test, and debugging interface

Power Performance

Five Low Power Modes (Idle, Standby, Hibernate, Backup, and Off )
Sleep Walking peripherals.
Battery backup support
Embedded Buck/LDO regulator supporting on-the-fly selection.
65µA/MHz active power consumption.

Integrated Security Features

One Advanced Encryption System (AES) with 256-bit key length and up to 2 MB/s data rate
- Five confidential modes of operation (ECB, CBC, CFB, OFB, CTR)
True Random Number Generator (TRNG)
Public Key Cryptography Controller (PUKCC) and associated Classical Public Key Cryptography Library (PUKCL)
- RSA, DSA
- Elliptic Curves Cryptography (ECC) ECC GF(2n), ECC GF(p)
- Integrity Check Module (ICM) based on Secure Hash Algorithm (SHA1, SHA224, SHA256), DMA

Peripherals

32-channel Direct Memory Access Controller (DMAC)
Two SD(HC) Memory Card Interfaces (SDHC)
- Compatibility with SD and SDHC Memory Card Specification Version 3.01
- Compatibility with SDIO Specification Version 3.0
- Compliant with JDEC specification, MMC memory cards V4.51
One Quad I/O Serial Peripheral Interface (QSPI)
- eXecute-In-Place (XIP) support
- Up to 75 MHz SDR operation and DDR support
One Full-Speed (12 Mbps) Universal Serial Bus (USB) 2.0 interface
- Embedded host and device function
One Ethernet MAC
- 10/100 Mbps in MII and RMII with dedicated DMA
- IEEE 1588 Precision Time Protocol (PTP) , Time Stamping Unit (TSU) support
- IEEE802.3AZ/AF/PoE energy efficiency support
- Support for 802.1AS and 1588 precision clock synchronization protocol
- Wake on LAN support
Up to two Controller Area Network CAN (SAM E51 and SAM E54)
- supporting CAN2.0 A/B and CAN-FD 1.0
Eight Serial Communication Interfaces (SERCOM), each configurable to operate as either:
- USART with full-duplex and single-wire half-duplex configuration
- ISO7816
- I2C up to 3.4MHz
- SPI
- LIN master/slave
- RS485
- SPI inter-byte space
One two-channel Inter-IC Sound Interface (I2S)
Parallel Capture Controller (PCC)
- Up to 14-bit parallel capture mode
Peripheral Touch Controller (PTC)
- Up to 256 channel capacitive touch and proximity sensing

System Features:

32-channel Event System
Up to Six 16-bit Timers/Counters (TC) each configurable as:
- 16-bit ,32-bit or 8-bit TC with two compare/capture channels
Two 24-bit Timer/Counters for Control (TCC), with extended functions:
32-bit Real Time Counter (RTC) with clock/calendar function
- Up to 5 wake-up pins with tamper detection and de-bouncing filter
Watchdog Timer (WDT) with Window mode
CRC-32 generator
Position Decoder (PDEC)
Frequency meter (FREQM)
One Configurable Custom Logic (CCL)
Dual 12-bit, 1 MSPS Analog-to-Digital Converter (ADC) with up to 16 channels each
- Differential and single-ended input
- Automatic offset and gain error compensation
- Oversampling and decimation in hardware to support 13-, 14-, 15-, or 16-bit resolution
Dual 12-bit, 1 MSPS Output Digital-to-Analog Converter (DAC)
Two Analog Comparators (AC) with Window Compare function
One temperature sensor

I/O Pins

81 programmable I/O pins

Operating Voltage

1.71V – 3.6V

Packages

100-pin TQFP

Applications

SAM E54

Specifications

Core Processor ARM Cortex M4F
Speed 120MHz
Operating Temperature -40℃ ~ 125℃ (TA)
Program Memory Type FLASH
RAM Size 256K x 8
Number of I/O 81
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Mounting Type Surface Mount
Oscillator Type Internal
Supplier Device Package 100-TQFP (14x14)
Package / Case 100-TQFP
Core Size 32-Bit
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
Program Memory Size 1MB (1M x 8)
Data Converters A/D 28x12b; D/A 2x12b
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.63V