ATSAMR21G17A-MF RF/IF and RFID

Power - Output:	4dBm
Package / Case:	48-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Current - Transmitting:	7.2mA ~ 13.8mA
Current - Receiving:	11.3mA ~ 11.8mA
Voltage - Supply:	1.8 V ~ 3.6 V
GPIO:	28
Serial Interfaces:	I²C, SPI, UART, USART, USB
Memory Size:	128kB Flash, 16kB SRAM
Sensitivity:	-99dBm
Series:	SMART™ SAM R21
Data Rate (Max):	250kbps
Frequency:	2.4GHz
Modulation:	O-QPSK
Protocol:	--
RF Family/Standard:	General ISM > 1GHZ
Type:	TxRx + MCU
Part Status:	Active
Packaging:	Tray

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ATSAMR21G17A-MF is a type of RF transceiver ICs developed by American company Sam Electronics Inc. It has many advantages and is currently widely used in various fields. This article will discuss the application field and working principle of ATSAMR21G17A-MF in detail.ATSAMR21G17A-MF is a 2.4GHz Low Power Long Range Radio Transceiver IC integrated with embedded Arm Cortex-M0+ cores, flash memory, SRAM, a 32-point GPIO (General Purpose Input/Output) pad and a 32-bit Random Access Memory (RAM). ATSAMR21G17A-MF is mainly used in the application domain of low-power long-range communications, such as short-range wireless sensing systems, industrial/medical applications, and small-scale wireless data communication networks.In terms of performance, ATSAMR21G17A-MF provides a maximum modulation rate of 2.4 Mbps and supports adaptive frequency hopping, spread spectrum technology, and channel coding. Moreover, it has excellent linearity characteristics, as well as strong anti-jamming and interference performance, and it also has a high degree of interference suppression. In terms of working frequency, it supports 2.4GHz ISM operation and has excellent frequency stability.In terms of working principle, ATSAMR21G17A-MF is based on a half-duplex principle. That is to say, it can receive and transmit data packets at the same time. At the same time, by adopting advanced spread spectrum technology, it can reduce the peak power emitted by the antenna and make the communication more secure and reliable.Finally, in terms of hardware, ATSAMR21G17A-MF has a 32-bit low-power Arm Cortex-M0+ microcontroller with a maximum operating frequency of up to 48MHz. It also features a hardware transceiver, a 32-point GPIO pad, two 255 KByte SRAM and a 2 KByte boot flash memory. Furthermore, it has a low-power radio module that supports a variable data-rate transparent protocol, allowing for reliability and quality in wireless communication.In brief, ATSAMR21G17A-MF is a highly advanced RF Transceiver IC that is designed for low power, low cost, and long range applications. It has excellent linearity characteristics and strong anti-jamming and interference capabilities, and is able to securely and reliably send and receive data packets in a variety of settings.

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