ATSAMR21G18A-MU IC RF TxRx + MCU General ISM > 1GHz – 2.4GHz 48-VFQFN Papa Hōʻike

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ʻO ka Atmel® |ʻO SMART™ SAM R21 he pūʻulu o nā microcontrollers haʻahaʻa me ka hoʻohana ʻana i ke kaʻina hana 32-bit ARM® Cortex®-M0+ a me kahi transceiver band ultra-low power 2.4GHz ISM.Loaʻa nā hāmeʻa SAM R21 i nā pūʻolo 32- a me 48-pin me ka 256KB Flash, 32KB o SRAM a ke hana nei ma ke alapine kiʻekiʻe o 48MHz a hiki i 2.14 Coremark/MHz.Hoʻolālā ʻia lākou no ka neʻe ʻana maʻalahi a me ka intuitive me nā modula peripheral like, code compatible hex, ka palapala helu laina laina like a me nā ala neʻe i kūpono i waena o nā hāmeʻa āpau i ka moʻo huahana.Loaʻa nā hāmeʻa āpau i nā peripheral naʻauao a maʻalahi, Atmel Event System no ka hōʻailona inter-peripheral, a me ke kākoʻo no ka pihi capacitive touch, slider a me nā mea hoʻohana huila.Hāʻawi nā mea Atmel SAM R21 i kēia mau hiʻohiʻona: In-system programmable Flash, 12-channel direct memory access (DMA) controller, 12-channel Event System, programmable interrupt controller, a hiki i 28 programmable I/O pins, ultra-low power. 2.4GHz ISM band transceiver me ka helu ikepili o 250kB/s, 32-bit real-time clock and calendar, 3 16-bit Timer/Counter (TC) a me 3 16-bit Timer/Counter for Control (TCC), kahi o kēlā me kēia. Hiki ke hoʻonohonoho ʻia ʻo TC e hana i ka hana alapine a me ka nalu, ka manawa hoʻokō papahana a i ʻole ka hopu ʻana me ka manawa a me ke ana ʻana o nā hōʻailona kikohoʻe.Hiki i nā TC ke hana ma ke ʻano 8- a i ʻole 16-bit, hiki ke hoʻokaʻawale ʻia nā TC i koho ʻia e hana i kahi TC 32-bit, a ua hoʻolōʻihi ʻia nā ʻekolu Timer/Counter for Control i nā hana i hoʻopaʻa ʻia no ka mīkini, kukui a me nā noi mana ʻē aʻe.Hāʻawi ka moʻo i hoʻokahi USB 2.0 i hoʻokomo ʻia i ka host a me ka interface hāmeʻa;a hiki i ʻelima Serial Communication Modules (SERCOM) hiki ke hoʻonohonoho ʻia kēlā me kēia e hana ma ke ʻano he USART, UART, SPI, I2C a hiki i 3.4MHz a me LIN kauā;a hiki i ka ewalu channel 350ksps 12-bit ADC me ka programmable loaʻa a me ke koho oversampling a me ka decimation kākoʻo a hiki i 16-bit hoʻonā, ʻelua analog comparator me ka puka aniani, Peripheral Touch Controller e kākoʻo ana i nā pihi 48, nā paheʻe, nā huila a me ka ʻike kokoke;ʻO Watchdog Timer hiki ke hoʻolālā ʻia, ka mea ʻike brown-out a me ka hoʻonohonoho hou ʻana i ka mana a me ka papahana Serial Wire Debug (SWD) ʻelua-pin a me ka interface debug.