SAM-R21E_14 datasheet(9/22 Pages) ATMEL

部件名	SAM-R21E

功能描述	SMART ARM-Based Wireless Microcontroller

PDF	22 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

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Atmel | SMART SAM R21 [PRELIMINARY DATASHEET SUMMARY]

Atmel-42223AS–SAM-R21_Summary–07/2014

3.2

SAM R21 Interconnection

SAMR21

AT86RF233

SAMD21

SPI

(Slave)

SERCOM 4

XOSC

AVREG

2.4GHz TRX (analog)

DIG3

AVSS

XTAL1

XTAL2

EXTERNAL

INTERRUPT

CONTROLLER

Control Logic

GENERIC

CLOCK

ADC

DVREG

DVSS

DVDD

DEVDD

TRX (digital)

PORT

SLP_TR

RSTN

DIG2

DIG1

DIG4

2.4 GHz RF

front-end circuit

FECTRL0..1

XOSC

32K

VREG

DVDD

XTAL1

XTAL2

GNDANA

VDDIO

AVDD

EVDD

VDDANA

GNDANA

EXTINT0

PA20

PB15

GCLK_IO1

PTC

FECTRL2..5

(1)

Notes:

RFCTRL

DIG1..4

1. Paddle connected to digital ground DVSS, GND.

2. Only available for SAM R21G.

3. Dedicated SERCOM4 alternate pin function mapping for internally connected AT86RF233.

4. Die revision A uses GCLK_IO5.

(3)

(4)

SAM-R21E 数据表(PDF) 9 Page - ATMEL Corporation

SAM-R21E 数据表(HTML) 9 Page - ATMEL Corporation

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