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* Microchip SAM MCU BSP update and add ethernet driver 1. Update Microchip SAM MCU BSP, add I2C, GMAC, ADC driver support. 2. Add ethernet driver support of SAM MCU for RT-Thread. * Add GMAC and I2C driver support 1. Update MCU BSP to support I2C/ADC/GMAC peripherals. 2. Add I2C and ethernet driver and LWIP support. 3. Update serial driver. * Add I2C driver and move some files to the common folder 1. Add I2C driver. 2. Move the same drivers and demo code to same folder to reduce duplicated code.
SAME70Q21B BSP Introduction
- MCU: ATSAME70Q21B @300MHz, 2MB FLASH, 384KB RAM
- V71: Auto grade Cortex-M7 + Advanced Feature Set + Ethernet + 2x CAN-FD
- E70: Industrial Cortex-M7 + Advanced Feature Set + Ethernet + 2x CAN-FD
- S70: Industrial Cortex-M7 + Advanced Feature Set
- Pin: J=64 pins, N=100 pins, Q=144 pins
- Flash: 19=512KB, 20=1024KB, 21=2048KB (size=2^n)
- Datasheet: https://www.microchip.com/en-us/product/ATSAME70Q21
KEY FEATURES
Core
- 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache: 16 Kbytes of data and 16 Kbytes of instruction cache; frequency up to 300 MHz, MPU, 2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
Memories
- Up to 2 Mbytes of embedded Flash with unique identifier and user signature for user-defined data
- Up to 384 Kbyte embedded Multi-port SRAM, can be configured as ITCM, DTCM.
- 16 Kbytes ROM with embedded Bootloader routines (UART0, USB) and IAP routines
Peripherals
- 16-bit Static Memory Controller (SMC) with support for SRAM, PSRAM, LCD module, NOR and NAND Flash with on-the-fly scrambling
- 16-bit SDRAM Controller (SDRAMC) interfacing up to 128 MB and with on-the-fly scrambling
- One Ethernet MAC (GMAC) 10/100 Mbps in MII mode and RMII with dedicated DMA. IEEE® 1588 PTP frames and 802.3az Energy-efficiency support.
- USB 2.0 Device/Mini Host High-speed (USBHS) at 480 Mbps, 4-Kbyte FIFO, up to 10 bidirectional endpoints, dedicated DMA
- 12-bit ITU-R BT. 601/656 Image Sensor Interface (ISI)
- Two master Controller Area Networks (MCAN) with Flexible Data Rate (CAN-FD) with SRAM-based mailboxes, time-triggered and event-triggered transmission
- MediaLB® device with 3-wire mode, up to 1024 x Fs speed, supporting MOST25 and MOST50 networks
- Three USARTs, USART0, USART1, USART2, support LIN mode, ISO7816, IrDA®, RS-485, SPI, Manchester and Modem modes; USART1 supports LON mode.
- Five 2-wire UARTs with SleepWalking™ support
- Three Two-Wire Interfaces (TWIHS) (I2C-compatible) with SleepWalking support
- Quad I/O Serial Peripheral Interface (QSPI) interfacing up to 256 MB Flash and with eXecute-In-Place and onthe-fly scrambling
- Two Serial Peripheral Interfaces (SPI)
- One Serial Synchronous Controller (SSC) with I2S and TDM support
- Two Inter-IC Sound Controllers (I2SC)
- One High-speed Multimedia Card Interface (HSMCI) (SDIO/SD Card/e.MMC)
- Four Three-Channel 16-bit Timer/Counters (TC) with Capture, Waveform, Compare and PWM modes, constant on time. Quadrature decoder logic and 2-bit Gray Up/Down Counter for stepper motor
- Two 4-channel 16-bit PWMs with complementary outputs, Dead Time Generator and eight fault inputs per PWM for motor control, two external triggers to manage power factor correction (PFC), DC-DC and lighting control
- Two Analog Front-End Controllers (AFEC), each supporting up to 12 channels with differential input mode and programmable gain stage, allowing dual sample-and-hold (S&H) at up to 1.7 Msps. Offset and gain error correction feature.
- One 2-channel, 12-bit, 1 Msps-per-channel Digital-to-Analog Controller (DAC) with Differential and Over Sampling modes
- One Analog Comparator Controller (ACC) with flexible input selection, selectable input hysteresis
Cryptography
- True Random Number Generator (TRNG)
- AES: 256-bit, 192-bit, 128-bit Key Algorithm, Compliant with FIPS PUB-197 Specifications
- Integrity Check Monitor (ICM). Supports Secure Hash Algorithm SHA1, SHA224 and SHA256.
I/O
- Up to 114 I/O lines with external interrupt capability (edge- or level-sensitivity), debouncing, glitch filtering and On-die Series Resistor Termination
- Five Parallel Input/Output Controllers (PIO)
Voltage
- Single supply voltage from 3.0V to 3.6V for Qualification AEC - Q100 Grade 2 Devices
- Single Supply voltage from 1.7V to 3.6V for Industrial Temperature Devices
Packages
- LQFP144, 144-lead LQFP, 20x20 mm, pitch 0.5 mm
- LFBGA144, 144-ball LFBGA, 10x10 mm, pitch 0.8 mm
- TFBGA144, 144-ball TFBGA, 10x10 mm, pitch 0.8 mm
- UFBGA144, 144-ball UFBGA, 6x6 mm, pitch 0.4 mm
- LQFP100, 100-lead LQFP, 14x14 mm, pitch 0.5 mm
- TFBGA100, 100-ball TFBGA, 9x9 mm, pitch 0.8 mm
- VFBGA100, 100-ball VFBGA, 7x7 mm, pitch 0.65 mm
- LQFP64, 64-lead LQFP, 10x10 mm, pitch 0.5 mm
- QFN64, 64-pad QFN 9x9 mm, pitch 0.5 mm with wettable flanks