Nkọwa
The Atmel® |SMART™ SAM R21 bụ usoro microcontrollers dị ala na-eji 32-bit ARM® Cortex®-M0+ processor yana transceiver ike dị ala 2.4GHz ISM.Ngwa SAM R21 dị na ngwungwu 32- na 48-pin nwere ihe ruru 256KB Flash, 32KB nke SRAM ma na-arụ ọrụ n'ogo kachasị nke 48MHz wee rute 2.14 Coremark/MHz.Emebere ha maka njem dị mfe na nke nwere nghọta nwere modul mpụta, koodu dakọtara hex, maapụ adreesị linear na pin dakọtara na njem n'etiti ngwaọrụ niile na usoro ngwaahịa a.Ngwa niile gụnyere akụkụ nwere ọgụgụ isi na nke na-agbanwe agbanwe, Atmel Event Sistemu maka nrịbama n'etiti, yana nkwado maka bọtịnụ mmetụ ike, ihe mmịfe na oghere onye ọrụ wheel.Ngwa Atmel SAM R21 na-enye atụmatụ ndị a: In-system Flash programmable, 12-channel direct memory access (DMA) njikwa, 12-channel Event System, programmable interruption controller, ruo 28 programmable I/O pins, ultra-low power. 2.4GHz ISM band transceiver nwere data data nke 250kB/s, 32-bit ezigbo oge elekere na kalenda, atọ 16-bit Timer/Counters (TC) na atọ 16-bit Timer/Counters for Control (TCC), ebe nke ọ bụla Enwere ike ịhazi TC ka ọ rụọ ugboro ugboro na ọgbọ na-efegharị efegharị, oge mmebe mmemme ziri ezi ma ọ bụ ijide ntinye oge na oge nke akara dijitalụ.Ndị TC nwere ike ịrụ ọrụ na ọnọdụ 8- ma ọ bụ 16-bit, TC ndị ahọpụtara nwere ike ịmegharị ka ọ bụrụ 32-bit TC, na Timer/Counters for Control atọ nwere ọrụ agbatịla maka moto, ọkụ na ngwa njikwa ndị ọzọ.Usoro a na-enye otu ngwa ngwa USB 2.0 agbakwunyere onye ọbịa na interface ngwaọrụ;ruo ise Serial Communication Modules (SERCOM) nke ọ bụla nwere ike ahazi ka ọ rụọ ọrụ dị ka USART, UART, SPI, I2C elu 3.4MHz na LIN ohu;ruo ọwa asatọ 350ksps 12-bit ADC nwere uru mmemme na oke nhọrọ na decimation na-akwado mkpebi 16-bit, ndị comparators analog abụọ nwere ọnọdụ windo, Peripheral Touch Controller na-akwado ruo bọtịnụ 48, sliders, wiil na nghọta nso;Oge Watchdog nke programmable, ihe nchọta na-acha nchara nchara na nrụpụta ike yana mmemme serial Wire Debug (SWD) nwere pin abụọ na interface debug.
Nkọwapụta: | |
Njirimara | Uru |
Otu | RF / Ọ BỤRỤ na RFID |
RF Transceiver IC | |
Mfr | Teknụzụ Microchip |
Usoro | SMART™ SAM R21 |
ngwugwu | Tray |
Ọnọdụ akụkụ | Na-arụ ọrụ |
Ụdị | TxRx + MCU |
Ezinụlọ/Ọkọlọtọ RF | ISM izugbe> 1GHz |
Protocol | - |
Mgbanwe | O-QPSK |
Ugboro ugboro | 2.4GHz |
Ọnụọgụ data (Max) | 250kbps |
Ike - mmepụta | 4dBm |
Mmetụta | -99dBm |
Nha ebe nchekwa | 256kB Flash, 32kB SRAM |
Oghere Usoro Interface | I²C, SPI, UART, USART, USB |
GPIO | 28 |
Voltaji - ọkọnọ | 1.8V ~ 3.6V |
Ugbu a - Nnata | 11.3mA ~ 11.8mA |
Ugbu a - Na-ebufe | 7.2mA ~ 13.8mA |
Okpomọkụ na-arụ ọrụ | -40°C ~ 85°C |
Ụdị nkwụnye | Ugwu elu |
Ngwungwu / Akpa | Mpempe akwụkwọ ekpughere 48-VFQFN |
Ngwungwu ngwaọrụ ndị na-eweta ihe | 48-QFN (7x7) |
Nọmba ngwaahịa ntọala | ATSAMR21 |