数据搜索系统,热门电子元器件搜索 |
|
SAM-R21E 数据表(PDF) 2 Page - ATMEL Corporation |
|
SAM-R21E 数据表(HTML) 2 Page - ATMEL Corporation |
2 / 22 page 2 Atmel | SMART SAM R21 [PRELIMINARY DATASHEET SUMMARY] Atmel-42223AS–SAM-R21_Summary–07/2014 Features Processor ARM Cortex-M0+ CPU running at up to 48MHz Single-cycle hardware multiplier Micro Trace Buffer (MTB) Memories 256/128/64KB in-system self-programmable Flash 32/16/8KB SRAM System Power-on reset (POR) and brown-out detection (BOD) Internal and external clock options with 48MHz Digital Frequency Locked Loop (DFLL48M) and 48MHz to 96MHz Fractional Digital Phase Locked Loop (FDPLL96M) External Interrupt Controller (EIC) Up to 15 external interrupts One non-maskable interrupt Two-pin Serial Wire Debug (SWD) programming, test and debugging interface Low Power Idle and standby sleep modes SleepWalking peripherals Peripherals 12-channel Direct Memory Access Controller (DMAC) 12-channel Event System Integrated Ultra Low Power Transceiver for 2.4GHz ISM Band 250kB/s data rate -99dBm RX Sensitivity; TX Output Power up to +4dBm Hardware Assisted MAC (Auto-Acknowledge, Auto-Retry) SFD-Detection; Spreading; De-Spreading; Framing; CRC-16 Computation Antenna Diversity and TX/RX Control 128 Byte TX/RX Frame Buffer Integrated 16MHz Crystal Oscillator (external crystal needed) PLL synthesizer with 5 MHz and 500 kHz channel spacing for 2.4GHz ISM band Hardware Security (AES, True Random Generator) Three 16-bit Timer/Counters (TC), configurable as either: One 16-bit TC with compare/capture channels One 8-bit TC with compare/capture channels One 32-bit TC with compare/capture channels, by using two TCs Three 16-bit Timer/Counters for Control (TCC), with extended functions: Up to four compare channels with optional complementary output Generation of synchronized pulse width modulation (PWM) pattern across port pins Deterministic fault protection, fast decay and configurable dead-time between complementary output Dithering that increase resolution with up to 5 bit and reduce quantization error 32-bit Real Time Counter (RTC) with clock/calendar function Watchdog Timer (WDT) CRC-32 generator One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 interface Embedded host and device function Eight endpoints Up to five Serial Communication Interfaces (SERCOM), each configurable to operate as either: USART with full-duplex and single-wire half-duplex configuration I2C up to 3.4MHz SPI LIN slave One 12-bit, 350ksps Analog-to-Digital Converter (ADC) with up to eight external channels Differential and single-ended input 1/2x to 16x programmable gain stage Automatic offset and gain error compensation Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution Two Analog Comparators (AC) with window compare function Peripheral Touch Controller (PTC) 48-channel capacitive touch and proximity sensing I/O and Package 16/28 programmable I/O pins 32-pin and 48-pin QFN |
类似零件编号 - SAM-R21E_14 |
|
类似说明 - SAM-R21E_14 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |