The SAM D51  high performance micro-controller series  is targeted for general purpose applications  using the 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 .

Series offers excellent features with class leading power performance ideal for multiple market segments.

Key features

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

·         Up to 2 Secure Digital Host Controller (SDHC)

·         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 

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
• 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