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SAM-R21E 数据表(PDF) 2 Page - ATMEL Corporation

部件名 SAM-R21E
功能描述  SMART ARM-Based Wireless Microcontroller
Download  22 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

SAM-R21E 数据表(HTML) 2 Page - ATMEL Corporation

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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

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类似说明 - SAM-R21E_14

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