1# SAME54P20A BSP 介绍 2 3[English](README.md) 4- MCU: ATSAME54P20A @120MHz, 1MB FLASH, 256KB RAM 5- E54: Cortex-M4F + 100M Ethernet + 2路CAN-FD 6- 管脚: G系列-48 pins, J系列-64 pins, N系列-100 pins, P系列-128 pins 7- Flash: 尾缀18=256KB, 19=512KB, 20=1024KB (size=2^n) 8- SRAM : 128KB(Flash 256KB), 192KB(Flash 512KB), 256KB(Flash 1MB) 9- 手册: <https://www.microchip.com/en-us/product/ATSAME54P20> 10 11#### 关键特性 12 13#### 内核 14 - 32-bit Arm® Cortex®-M4 内核 + 单精度FPU + 4 KB 复用的指令和数据Cache，最大工作主频120 MHz, 带MPU, 403 CoreMark®@120 MHz, 支持 DSP指令集 15 16#### 内存 17 - 1 MB/512 KB/256 KB in-system self-programmable Flash with: 18 - Error Correction Code (ECC) 19 - Dual bank with Read-While-Write (RWW) support 20 - EEPROM hardware emulation 21 - 128 KB, 192 KB, 256 KB SRAM main memory 22 - 64 KB, 96 KB, 128 KB of Error Correction Code (ECC) RAM option 23 - Up to 4 KB of Tightly Coupled Memory (TCM) 24 - Up to 8 KB additional SRAM 25 - Can be retained in backup mode 26 - Eight 32-bit backup registers 27 28#### 系统特性 29 - Power-on Reset (POR) and Brown-out detection (BOD) 30 - Internal and external clock options 31 - External Interrupt Controller (EIC) 32 - 16 external interrupts 33 - One non-maskable interrupt 34 - Two-pin Serial Wire Debug (SWD) programming, test, and debugging interface 35 36#### 高性能外设 37 - 32-channel Direct Memory Access Controller (DMAC) 38 - Up to two SD/MMC Host Controller (SDHC) 39 - Up to 50 MHz operation 40 - 4-bit or 1-bit interface 41 - Compatibility with SD and SDHC memory card specification version 3.01 42 - Compatibility with SDIO specification version 3.0 43 - Compliant with JDEC specification, MMC memory cards V4.51 44 - One Quad I/O Serial Peripheral Interface (QSPI) 45 - Dedicated AHB memory zone 46 - One Ethernet MAC (SAM E53 and SAM E54)– 10/100 Mbps in MII and RMII with dedicated DMA 47 - IEEE® 1588 Precision Time Protocol (PTP) support 48 - IEEE 1588 Time Stamping Unit (TSU) support 49 - IEEE802.3AZ energy efficiency support 50 - Support for 802.1AS and 1588 precision clock synchronization protocol 51 - Wake on LAN support 52 - Up to two Controller Area Network (CAN) (that is., SAM E51 and SAM E54) 53 - Support for CAN 2.0A/CAN 2.0B and CAN-FD (ISO 11898-1:2016) 54 - One Full-Speed (12 Mbps) Universal Serial Bus (USB) 2.0 interface 55 - Embedded host and device function 56 - Eight endpoints 57 - On-chip transceiver with integrated serial resistor 58 59#### 系统外设 60 - Up to 114 I/O lines with external interrupt capability (edge- or level-sensitivity), debouncing, glitch filtering and On-die Series Resistor Termination 61 - Five Parallel Input/Output Controllers (PIO) 62 - 32-channel Event System 63 - Up to eight Serial Communication Interfaces (SERCOM), can be configured as USART/I2C/SPI 64 - Up to eight 16-bit Timers/Counters (TC), can be configured as 8/16/32bit TC. 65 - Two 24-bit Timer/Counters for Control (TCC), with extended functions 66 - Up to Three 16-bit Timer/Counters for Control (TCC) with extended functions. 67 - 32-bit Real Time Counter (RTC) with clock/calendar function 68 - Up to 4 wake-up pins with tamper detection and debouncing filter 69 - Watchdog Timer (WDT) with Window mode 70 - CRC-32 generator 71 - One two-channel Inter-IC Sound Interface (I2S) 72 - Position Decoder (PDEC) 73 - Frequency meter (FREQM) 74 - Four Configurable Custom Logic (CCL) 75 - Dual 12-bit, 1 MSPS Analog-to-Digital Converter (ADC) with up to 16 channels each: 76 - Dual 12-bit, 1 MSPS output Digital-to-Analog Converter (DAC) 77 - Two Analog Comparators (AC) with Window Compare function 78 - One temperature sensor 79 - Parallel Capture Controller (PCC) 80 - Peripheral Touch Controller (PTC) - Capacitive Touch buttons, sliders, and wheels 81 82#### 加密功能 83 - One Advanced Encryption System (AES) with 256-bit key length and up to 2 MB/s data rate 84 - Five confidential modes of operation (ECB, CBC, CFB, OFB, CTR) 85 - Supports counter with CBC-MAC mode 86 - Galois Counter Mode (GCM) - True Random Number Generator (TRNG) 87 - Public Key Cryptography Controller (PUKCC) and associated Classical Public Key Cryptography Library (PUKCL) 88 - RSA, DSA : Elliptic Curves Cryptography (ECC) ECC GF(2n), ECC GF(p) 89 - Integrity Check Module (ICM) based on Secure Hash Algorithm (SHA1, SHA224, SHA256), DMA assisted 90 91#### I/O管脚 92 - 最多提供99个用户可编程I/O管脚 93 94#### 汽车应用 95 - AEC-Q100 Grade 1 (-40°C to 125°C) 96 97#### 封装 98 - VQFN48, 48-lead VQFN, 7x7 mm, pitch 0.5 mm, I/O Pins up to 37 99 - VQFN64, 64-lead VQFN, 9x9 mm, pitch 0.5 mm, I/O Pins up to 51 100 - TQFP64, 64-lead TQFP, 10x10 mm, pitch 0.5 mm, I/O Pins up to 51 101 - TQFP100, 100-lead TQFP, 14x14 mm, pitch 0.5 mm, I/O Pins up to 81 102 - TQFP128, 128-lead TQFP, 14x14 mm, pitch 0.4 mm, I/O Pins up to 99 103 - TFBGA120, 120-ball TFBGA, 8x8 mm, pitch 0.5 mm, I/O Pins up to 90 104 105#### 官方开发板信息 106- [SAM E54 XPLAINED PRO](https://www.microchip.com/en-us/development-tool/DM320019-BNDL)