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對(duì)于所有物聯(lián)網(wǎng) (IoT) 設(shè)計(jì)，現(xiàn)在，可以在一流的 2.4 GHz 射頻收發(fā)器中選用基于 ARM® Cortex®-M0+ 的 32 位微控制器或選用 8 位 AVR 內(nèi)核微控制器。SAM R21 系列像其先前的產(chǎn)品（ATmegaxxxRFR2 和 ATmegaxxxRFA1）一樣，是符合 IEEE 802.15.4 標(biāo)準(zhǔn)的單芯片無(wú)線解決方案，它超越了慣有的所有優(yōu)點(diǎn)和功能，具有如下改進(jìn)：
所有這些改進(jìn)的優(yōu)點(diǎn)都基于 8 位 AVR 無(wú)線微控制器所打造的堅(jiān)實(shí)基礎(chǔ)，多年來(lái) 8 位 AVR 無(wú)線微控制器應(yīng)用廣泛，可提供如下功能：
最后但同樣重要的是，借助免費(fèi)的 Atmel 軟件棧、無(wú)線編輯器、庫(kù)以及硬件評(píng)估和開發(fā)工具包，系統(tǒng)開發(fā)依然非常容易。
優(yōu)勢(shì) |
說(shuō)明 |
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The Atmel® SAM R21 is a series of feature-rich, extremely low-power 2.4GHz wireless Cortex M0+MCUs that are designed for industrial and consumer wireless applications, either running proprietary communication stacks or solutions compliant to the IEEE 802.15.4 standard. |
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 64KB Flash and 16 I/O pins in a QFN32 package.
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 128KB Flash and 16 I/O pins in a QFN32 package.
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 256KB Flash and 16 I/O pins in a QFN32 package.
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 64KB Flash and 28 I/O pins in a QFN48 package.
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 128KB Flash and 28 I/O pins in a QFN48 package.
Single-chip ARM® Cortex®-M0+ based 32-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 256KB Flash and 28 I/O pins in a QFN48 package.
優(yōu)勢(shì) |
說(shuō)明 |
|
The Atmel AtmegaRFR2 series combines the industry's leading AVR 8-bit microcontroller and a best-in-class 2.4GHz RF transceiver in industry's best single-chip targeting IEEE 802.15.4 and ZigBee applications. |
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 256KB Flash and 33 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 256KB Flash and 38 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 128KB Flash and 33 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 128KB Flash and 38 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 64KB Flash and 33 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 64KB Flash and 38 I/O pins.
Single-chip 8-bit Microcontroller with Low Power 2.4GHz Transceiver for IEEE 802.15.4 and ZigBee Applications with 128KB Flash and 38 I/O pins.