SAMA5D21
Description
The Atmel® | SMART SAMA5D2 series is a high-performance, ultra-low-power ARM® Cortex®-A5 processor-based MPU running up to 500 MHz, with support for multiple memories such as DDR2, DDR3, DDR3L, LPDDR1, LPDDR2, LPDDR3, and QSPI Flash. The devices integrate powerful peripherals for connectivity and user interface applications, and offer advanced security functions (ARM TrustZone®, tamper detection, secure data storage, etc.), as well as highperformance crypto-processors AES, SHA and TRNG.
Key Features
- ARM Cortex-A5 core ̶ ARMv7-A architecture ̶ ARM TrustZone ̶ NEON™ Media Processing Engine ̶ Up to 500 MHz ̶ ETM/ETB 8 Kbytes
- 64-Kbyte scrambled and maskable ROM embedding Atmel boot loader/Atmel Secure boot loader
- Low-Power Modes ̶ Ultra Low-power mode with fast wakeup capability ̶ Low-power Backup mode with 5-Kbyte SRAM and SleepWalking™ features
- Wakeup from up to nine wakeup pins, UART reception, analog parison
- Fast wakeup capability
- Extended Backup mode with DDR in Self-Refresh mode
- Energy efficiency support (IEEE 802.3az standard)
- Ethernet AVB support with IEEE802.1AS time stamping
- IEEE802.1Qav credit-based traffic-shaping hardware support
- IEEE1588 Precision Time Protocol (PTP) ̶ Two high-speed memory card hosts
