atsamr21g18a mf microcontroller

{"cid":"91212565","title":"ATSAME51J19A-MF Microcontroller MCU Single-Core ARM Cortex-M4F SAM E51 Microcontroller","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/bd\/3bf89207f7cf0a3771d02687bf5e-200x200-1.jpg","attrs":{"Price":"Contact for Sample","Brand Name":"Original Factory","Model Number":"ATSAME51J19A-MF","Minimum Order Quantity":"10","Delivery Time":"3-5 work days","Place of Origin":"CN","Certification":"Lead free \/ RoHS Compliant","Packaging Details":"Standard package","Payment Terms":"T\/T","Supply Ability":"10000 Pieces per Day"}}

{"cid":"91224143","title":"ATSAMR21G18A-MF","imgUrl":"https:\/\/img.chinax.com\/nimg\/8f\/be\/174f24d176845b7665f89dee9c1c-200x200-1.jpg","attrs":{"Category":"RF and Wireless\nRF Transceiver ICs","Digi-Key Programmable":"Not Verified","Serial Interfaces":"I\u00b2C, SPI, UART, USART, USB","Operating Temperature":"-40\u00b0C ~ 125\u00b0C","Memory Size":"256kB Flash, 32kB SRAM","Package \/ Case":"48-VFQFN Exposed Pad","GPIO":"28","Type":"TxRx + MCU","Current - Transmitting":"7.2mA ~ 13.8mA","Current - Receiving":"11.3mA ~ 11.8mA","Modulation":"O-QPSK","Package":"Tray","RF Family\/Standard":"General ISM < 1GHz","Data Rate (Max)":"250kbps","Product Status":"Active","Protocol":"-","Mounting Type":"Surface Mount","Series":"SMART\u2122 SAM R21","Sensitivity":"-99dBm","Supplier Device Package":"48-QFN (7x7)","Mfr":"Microchip Technology","Frequency":"2.4GHz","Voltage - Supply":"1.8V ~ 3.6V","Power - Output":"4dBm","Base Product Number":"ATSAMR21","Description":"IC RF TXRX+MCU ISM<1GHZ 48VFQFN","Stock":"In Stock","Shipping Method":"LCL, AIR, Express","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram"}}