Operating Conditions

• VDDREG - 1.75V - 1.85V, -40°C to +85°C, DC to 300 MHz

• VDDIO/AVDD - 1.75V – 3.63V, -40°C to +85°C, DC to 300 MHz

Communication Interfaces

• Up to 10 Serial Communication Interfaces (SERCOM), USART, I2C, SPI :

– 16 byte transmit receive buffers

– Baud Rate generator (BRG)

– Can be used with DMA

– UART

– Supports LIN 2.1 and IrDA® protocols

– ISO-7816 UART

– RS485

– USART with full-duplex and single-wire half-duplex configuration

• Up to 2 SPI/I2S/I8S modules:

– 3-wire SPI™ (supports all 4 SPI modes)

– 4-wire Framed SPI modes

– Audio Codec Protocols (I2S, Left/Right Justified and PCM/DSP, I8S,

Am824 )

– 4x32-bit, 8x16-bit or 16x8-bit FIFO

– 2 modules support 50MHz SCK

– Modulation for MEMS microphone

• Up to 2 SQI (Serial Quad Interface)

– Up to 40 Mbps/80 MHz Operation

– 1 data lane Full Duplex (also known as SPI)

– 2 or 4 data lane Half Duplex

– Dedicated descriptor based DMA

– Up to 2-chip selects

• Up to six CAN ports with dedicated DMA channel supporting CAN 2.0 A/B

and ISO CAN-FD

• One Ethernet MAC (GMAC/ETH) 10/100/1000 Mbps in GMII, MII, and

RMII with dedicated DMA. IEEE®1588 PTP frames and 802.3az Energyefficiency

support. Ethernet AVB support with IEEE802.1AS Timestamping

and IEEE802.1Qav credit-based traffic-shaping hardware support

• Up to two High-Speed/Full-Speed/Low-Speed USB 2.0 port with 8

dedicated DMA channels

• One Media Local Bus Controller

– 3-wire mode

– Up to 1024 x Fs speed,

• EBI 16-bit External Bus Interface - Static Memory Controller

Hardware Security Module (HSM):

• Overview:

– Dedicated Secure Subsystem that supports the following

cryptography: AES, TDES, ChaCha20, SHA-2, SHA-1, Poly1305, RSA

and ECC.

– Secure boot support for main/host CPU: Validation of host code

image and host code signature validation.

– Secure update support for host code: Secure encryption key storage

and image decryption.

• Hardware Acceleration:

– AES-128, AES-192, and AES-256: Fully compliant with NIST FIPS 197.

– ECB, CBC, CFB, OFB, CTR, GCM, CCM, XTS, CMAC modes.

– Triple DES support with up to 168-bit Key Length.

– HASH/MAC

– MD-5, SHA-1, SHA-256, SHA-224, SHA-384, SHA-512, and SHA3

capability.

– ChaCha20-Poly1305 Authenticated Encryption.

– Key Derivation Function (HKDF, KDF2…)

– Public Key Cryptography: RSA, DSA, and ECC.

– RSA with/without Chinese Remainder Theorem (CRT). Up to 4096-bit

Key length.

– ECC with ECC-GF(p), ECC-GF(2m), and ECDSA support.

– Prime Field P-192, P-224, P-256, P-384, P-521.

– Binary Field K-163, K-233, K-283, K-409, K-571.

– Binary Field B-163, B-233, B-283, B-409, B-571.

– P-224, P-256, P-384, and P-521 Elliptic Curve – ECDSA Sign/Verify.

– DSA support up to 2048-bit Key Length.

– True Random Number Generator (TRNG.)

– Dedicated RTC for the Hardware Security Module (HSM) with User

Selectable Tamper Inputs

– Backup registers

– TrustRAM - Up to 8 KB backup SRAM with ECC

300 MHz Arm® Cortex®-M7

• Superscaler pipeline: 6 stages with branch prediction

• L1 Cache - 16 KB each of ECC protected instruction and data cache

• Up to 256 Kb of Tightly Coupled Memory (TCM): 128 KB each of ECC

protected Instruction and Data TCM

• Memory Protection Unit (MPU) - 8 regions

• Floating Point Unit (FPU) - Double and Single Precision (32 bit and 64 bit)

• Multiply Accumulate Unit (MAC) - Single Cycle throughput

• DSP Thumb®-2 compliant instruction set

Clock Management

• 32.768 kHz ultra-low power internal oscillator

• Clock failure detection event routed to normal interrupt or to the Non-

Maskable Interrupt (NMI) controller:

– CPU Frequency Monitor

– Main Crystal Oscillator Failure Detection

– 32.768 kHz Crystal Oscillator Frequency Monitor

• Independent Watchdog Timer (WDT)

• Precision 48 MHz trimmed internal RC oscillator

• Up to two PLL for system clock, and one PLL for USB high-speed

operations

• FREQM - Frequency meter

I/O

• High-Current Sink/Source Pins Available

• Configurable Open-Drain Output on Digital I/O pins

• Configurable internal pull-up/pull-down resistors

• 5V Tolerant Input Pins (digital pins only)

Power Management

• Power-on Reset (POR) and Brown-out Reset (BOR)

• Multiple power management modes: Idle, Stand-by, Hibernate, Backup,

and Off modes

• Ultra low-power Real Time Clock (RTC) and Real-time Timer (RTT)

– RTC with Gregorian calendar and UTC mode, waveform generation

in low-power modes

– RTC counter trim calibration circuitry to compensate for 32.768 kHz

crystal frequency variations

Memories

• 8 MB, 4 MB, 2 MB in-system self-programmable Flash with:

– Error Correction Code (ECC = Flash, SRAM, TrustRAM, Cache, and

TCM)

– Dual bank with Read-While-Write (RWW) support (Live Update)

– Up to 4 KB of Emulated User OTP Memory.

• Additional 2x 80 KB of Boot Flash Memory (2x24 pages)

• 1 MB and 512k SRAM Main Memory with ECC

• Up to 256 KB of Tightly Coupled Memory (TCM) with ECC

• Up to 8 KB additional SRAM

– Can be retained in Backup mode

• Eight 32-bit backup registers