ATSAMR21E18A-MFTA7 Part Information

Details for ATSAMR21E18A-MFTA7 by Microchip Technology

ATSAMR21E18A

Part Description

An IEEE 802.15.4 compliant single chip combines an ARM® Cortex®-M0+ based 32-bit microcontroller and best-in-class 2.4GHz RF transceiver. It offers an excellent RF performance, with a link budget of 103dBm while consuming 50% less active current than existing offerings. The device features IEEE 802.15.4 MAC hardware accelerators and automatic transmission modes, wake-on-radio, offers twelve-channel direct memory access (DMA) controller, up to four configurable SERCOM modules for I2C, SPI and USART and a 128-bit AES crypto engine. The device features further blocks like a Peripheral Touch Controller (PTC), Full-Speed USB Device and embedded Host and hardware components to support RF distance measurements. To complement that set the SAM R21 also supports external power amplifiers and antenna diversity.

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Part Specifications

Type 802.15.4
Max Operating Freq. 48
Wireless Technology -99
CPU Cortex-M0+
ADC Channels 8
Operating Voltage Min. 1.8
Operating Voltage Max. 3.6
Operating Temperature Min. -40
Operating Temperature Max. 125
Power Output 4
IO Pins 16
RF Data Rate 2
Frequency Range 2.4 GHz
Input Sensitivity (mVpp) -99
Input Sensitivity -99
Antenna Diversity Yes
Link Budget 103
I2C 5
Cloud Partner True
UART 4
Transmit Current Consumption 13
ADC Resolution 12
SRAM 32
Crypto Engine AES
Analog Comparators 1
Timers 6
Receive Current Consumption 11
Flash 256
External PA Control Yes
EEPROM 16384
SPI 5
Temperature Range -40C to +125C

Alternative Part Descriptions

  • SAMR21 32PIN 256K 125C T&R MAC ADDR, 32 VQFN 5X5X1MM T/R ROHS COMPLIANT: YES | Newark Electronics
  • MCU 32-Bit SAM R21E ARM Cortex M0+ RISC 256KB Flash 2.5V/3.3V 32-Pin VQFN T/R | Avnet America
  • ZIGBEE MODULE | Richardson RFPD

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