Atmel ATmega2564 8bit AVR Microcontroller

Features

• Tsigiro yetiweki nehardware yakabatsira Multiple PAN Kero kusefa
• Yepamberi Hardware yakabatsira Kuderedza Simba Kushandiswa
• Kuita Kwepamusoro, Yakaderera Simba AVR® 8-Bit Microcontroller
• Yepamberi RISC Architecture
• Mirairo ine Simba zana nemakumi maviri - Akawanda Akawanda Clock Kutenderera Kurovera
• 32 × 8 General Chinangwa Kushanda Marejista / On-Chip 2-kutenderera Multiplier
• Kusvikira ku16 MIP Kuburikidza pa16 MHz uye 1.8V - Fully Static Operation
• Isiri-isina kugadzikana Chirongwa uye Dhata Ndangariro
• 256K/128K/64K Mabhaiti eIn-System Self-Programmable Flash
• Endurance: 10'000 Nyora/Erase Cycles @ 125°C (25'000 Cycles @ 85°C)
• 8K/4K/2K Bytes EEPROM
• Endurance: 20'000 Nyora/Erase Cycles @ 125°C (100'000 Cycles @ 25°C)
• 32K/16K/8K Bytes Yemukati SRAM
• JTAG (IEEE std. 1149.1 inoenderana) Interface
• Boundary-scan Magonero Maererano neJTAG Standard
• Yakawedzera On-chip Debug Tsigiro
• Kugadziriswa kweFlash EEPROM, Fuse uye Lock Bits kuburikidza neJTAG interface
• Peripheral Zvimiro
• Multiple Timer/Counter & PWM chiteshi
• Real Time Counter ine Yakaparadzana Oscillator
• 10-bit, 330 ks/s A/D Converter; Analog Comparator; On-chip Temperature Sensor
• Tenzi/Muranda SPI Serial Interface
• Maviri Programmable Serial UART
• Byte Oriented 2-waya Serial Interface
• Yepamberi Kukanganisa Handler uye Simba Save Modes
• Watchdog Timer ine Yakaparadzana On-Chip Oscillator
• Power-on Reset uye Low Current Brown-Out Detector
• Yakanyatsobatanidzwa Yakaderera Simba Transceiver ye2.4 GHz ISM Band
• High Power Amplifier rutsigiro neTX spectrum side lobe kudzvinyirira
• Inotsigirwa Data Rates: 250 kb/s uye 500 kb/s, 1 Mb/s, 2 Mb/s
• -100 dBm RX Sensitivity; TX Output Simba inosvika 3.5 dBm
• Hardware Assisted MAC (Auto-Acknowledge, Auto-Edzazve)
• 32 Bit IEEE 802.15.4 Symbol Counter
• SFD-Kuona, Kupararira; De-Spreading; Framing ; CRC-16 Computation
• Antenna Diversity uye TX/RX kutonga / TX/RX 128 Byte Frame Buffer
• PLL synthesizer ine 5 MHz uye 500 kHz chiteshi spacing ye 2.4 GHz ISM Band
• Hardware Security (AES, Chokwadi Random Generator)
• Yakabatanidzwa Crystal Oscillators (32.768 kHz & 16 MHz, kunze kwekristaro inodiwa)
• I/O uye Package
• 33 Programmable I/O Mitsetse
• 48-pad QFN (RoHS/Yakazara Green)
• Tembiricha Range: -40 ° C kusvika 125 ° C Industrial
• Ultra Low Power kushandiswa (1.8 kusvika 3.6V) yeAVR & Rx/Tx: 10.1mA/18.6 mA
• CPU Active Mode (16MHz): 4.1 mA
• 2.4GHz Transceiver: RX_ON 6.0 mA / TX 14.5 mA (yakanyanya TX kubuda simba)
• Deep Sleep Mode: <700nA @ 25°C
• Yekumhanyisa Giredhi: 0 - 16 MHz @ 1.8 - 3.6V renji ine vhoriyamu yakabatanidzwatage regulators

Applications

• ZigBee®/ IEEE 802.15.4-2011/2006/2003™ - Yakazara uye Yakaderedzwa Basa Chishandiso
• General Chinangwa 2.4GHz ISM Band Transceiver ine Microcontroller
• RF4CE, SP100, WirelessHART™, ISM Applications uye IPv6 / 6LoWPAN

Pin Kugadziridza

Mufananidzo 1-1. Pinout ATmega2564/1284/644RFR2

Cherechedza: Iyo hombe yepakati padhi iri pasi peQFN / MLF package yakagadzirwa nesimbi uye nemukati yakabatana neAVSS. Inofanira kutengeswa kana kunama kune bhodhi kuti ive nechokwadi chekugadzikana kwemagetsi. Kana iyo yepakati pedhi ikasiiwa isina kubatana, iyo package inogona kusunungura kubva pabhodhi. Izvo hazvikurudzirwe kushandisa iyo yakafumurwa paddle seyekutsiva yeakajairika AVSS pini.

Disclaimer

Hunhu chaihwo huri mudhetabheti rino hwakavakirwa pakuenzanisa uye maitiro emhedzisiro yemamwe maAVR mamicrocontrollers uye maredhiyo transceivers anogadzirwa mune yakafanana maitiro tekinoroji. Minimum and Maximum values ​​ichavepo mushure mekunge mudziyo waonekwa.

Overview

Iyo ATmega2564/1284/644RFR2 ishoma-simba CMOS 8-bit microcontroller yakavakirwa paAVR yakakwidziridzwa RISC dhizaini yakasanganiswa neyepamusoro data rate transceiver ye2.4 GHz ISM bhendi.
Nekuita mirairo ine simba mukutenderera kwewachi imwe chete, chishandiso chinowana kuburikidza nekusvika 1 MIPS paMHz zvichibvumira mugadziri wesystem kukwidziridza mashandisiro emagetsi zvichienderana nekumhanyisa kumhanya.
Iyo redhiyo transceiver inopa yakakwirira data mareti kubva ku250 kb/s kusvika ku2 Mb/s, furemu yekubata, yakatanhamara inogamuchira senitivity uye yakakwirira yekufambisa inobuda simba inogonesa yakasimba kwazvo kutaurirana isina waya.

Dhiagramu Dhizaini

Mufananidzo 3-1 Block Diagram

Iyo AVR musimboti unosanganisa dzidziso yakapfuma yakaiswa ne32 general chinangwa marejista. Ese makumi matatu nemaviri marejista akabatana zvakananga neArithmetic Logic Unit (ALU). Marejista maviri akazvimirira anogona kuwanikwa nerairo rimwechete rinoitwa mune imwechete wachi. Iyo mhedzisiro yekuvakisa inonyatso kodhi inoshanda uku uchiwana maburi anosvika kagumi nekukurumidza kupfuura akajairwa CISC microcontrollers. Iyo system inosanganisira mukati voltage mutemo uye manejimendi epamusoro emagetsi. Inosiyaniswa nediki yekuvuza ikozvino inobvumira yakawedzera kushanda nguva kubva kubhatiri.
Iyo redhiyo transceiver ndeye yakanyatsobatanidzwa ZigBee mhinduro uchishandisa hushoma nhamba yekunze zvikamu. Iyo inosanganisa yakanakisa RF kuita nemutengo wakaderera, saizi diki uye yakaderera ikozvino kushandiswa. Iyo redhiyo transceiver inosanganisira kristaro yakagadzikana chikamu-N synthesizer, transmitter uye inogamuchira, uye yakazara Direct Sequence Spread Spectrum Signal (DSSS) kugadzirisa nekupararira uye kupararira. Chigadzirwa chacho chinonyatsoenderana neIEEE802.15.4-2011/2006/2003 uye ZigBee zviyero. Iyo ATmega2564/1284/644RFR2 inopa anotevera maficha: 256K/128K/64K Bytes eIn-System Programmable (ISP) Flash ine kuverenga-ichiri-kunyora kugona, 8K/4K/2K Bytes EEPROM, 32K/16K/8K Bytes SRAM, inosvika makumi matatu neshanu chinangwa cheI/O mitsara, makumi matatu nemaviri marejisita ekushanda, Real Time Counter (RTC), 35 flexible Timer/Counters ane enzanisa modes uye PWM, 32 bit Timer/Counter, 6 USART, a byte yakatarisana ne32-waya. Serial Interface, 2 chiteshi, gumi bhiti analogi kuenda kudhijitari inoshandura (ADC) ine sarudzo yekuisa mutsaukotage ine programmable kuwana, programmable Watchdog Timer neInternal Oscillator, SPI serial port, IEEE std. 1149.1 zvinoenderana naJTAG test interface, inoshandiswawo kuwana iyo On-chip Debug system uye programming uye 6 software inosarudzwa magetsi ekuchengetedza maitiro.
Iyo Idle modhi inomisa iyo CPU ichibvumira iyo SRAM, Timer/Counters, SPI chiteshi, uye kukanganisa sisitimu kuti ienderere mberi ichishanda. Iyo Power-down modhi inochengetedza zviri mukati merejista asi inoomesa Oscillator, ichidzima mamwe ese chip mabasa kusvika iyo inotevera kukanganisa kana hardware reset. Mune Power-save mode, iyo asynchronous timer inoramba ichimhanya, ichibvumira mushandisi kuchengetedza chigadziko chenguva apo imwe kifaa ichirara. Iyo ADC Noise Reduction modhi inomisa iyo CPU uye ese maI/O mamodule kunze kweasynchronous timer uye ADC, kudzikisa ruzha rwekuchinja panguva yekushandura kweADC. Mune Standby mode, iyo RC oscillator iri kushanda apo imwe mudziyo yakarara. Izvi zvinobvumira kukurumidza kutanga-up kusanganiswa nekushomeka kwesimba rekushandisa. Mune Yakawedzerwa Kumira modhi, ese ari maviri makuru RC oscillator uye asynchronous timer inoramba ichimhanya.
Yakajairika kugovera ikozvino kweiyo microcontroller ine CPU wachi yakaiswa ku16MHz uye redhiyo transceiver yematunhu akakosha inoratidzwa muMufananidzo 3-2 pazasi.

Mufananidzo 3-2 Radio transceiver uye microcontroller (16MHz) inopa ikozvino

Iyo yekufambisa inobuda simba yakaiswa kune yakanyanya. Kana redhiyo transceiver iri muSLEEP mode ikozvino inoraswa neAVR microcontroller chete.
MuDeep Sleep mode ese makuru edhijitari mabhuroko asina dhata rekuchengetedza anobviswa kubva kune main supply achipa diki diki rekudonha ikozvino. Watchdog timer, MAC chiratidzo counter uye 32.768kHz oscillator inogona kugadzirwa kuti irambe ichimhanya.

Chishandiso ichi chinogadzirwa uchishandisa Atmel's high-density nonvolatile memory tekinoroji.
Iyo On-chip ISP Flash inobvumira ndangariro yechirongwa kuti igadziriswe zvakare mu-system trough SPI serial interface, neyakajairwa nonvolatile memory programmer, kana ne-on-chip boot chirongwa chinomhanya pane AVR musimboti. Iyo bhutsu chirongwa inogona kushandisa chero interface kurodha pasi chirongwa chekushandisa mukushandisa Flash memory.
Software iri muchikamu chebhutsu Flash icharamba ichishanda ukuwo chikamu cheFlash cheapplication chichigadziridzwa, ichipa kushanda kweKuverenga-Uri-Nyora. Nekubatanidza iyo 8 bit RISC CPU neIn-System Self-Programmable Flash pane monolithic chip, iyo Atmel ATmega2564/1284/644RFR2 ine simba microcontroller inopa yakanyanya kuchinjika uye inodhura mhinduro kune akawanda akadzikwa ekudzora maapplication.
Iyo ATmega2564/1284/644RFR2 AVR inotsigirwa izere sutu yechirongwa uye masisitimu ekuvandudza maturusi anosanganisira: C compiler, macro assemblers, program debugger/simulator, in-circuit emulators, uye evaluation kits.

Pin Tsanangudzo

EVDD
Analogi yekunze voltage.

DEVDD
External digital supply voltage.

AVDD
Regulated analog supply voltage (yakagadzirwa mukati).

DVDD
Regulated digital supply voltage (yakagadzirwa mukati).

DVSS
Digital pasi.

AVSS
Analogi pasi.

Chiteshi B (PB7…PB0)
Port B ndeye 8-bit bi-directional I/O chiteshi ine emukati ekudhonza-up resistors (yakasarudzwa kune yega yega). Iyo Port B inobuda mabuffers ine symmetrical drive maitiro ane ese akakwira sink uye sosi kugona. Sekupinza, mapini ePort B anodhonzerwa kunze akadzika anozobva pari zvino kana zvidhori zvekudhonzera zvakaitwa. Mapini ePort B anotaridzwa katatu kana mamiriro ekugadzirisa atanga kushanda, kunyangwe wachi isiri kushanda.
Port B inopawo mabasa akasiyana akakosha maficha eATmega2564/1284/644RFR2.

Port D (PD7…PD0)
Port D i8-bit bi-directional I/O chiteshi ine yemukati yekudhonza-up resistors (yakasarudzwa kune yega yega). Iyo Port D inobuda mabuffers ine symmetrical drive maitiro ane ese akakwira sink uye sosi kugona. Sekupinza, mapini ePort D ayo akadhonzerwa kunze akadzika anozobva zvazvino kana zvidhori zvekudhonzera zvakaitwa. Mapini ePort D anotaridzwa-katatu kana mamiriro ekugadzirisa atanga kushanda, kunyangwe wachi isiri kushanda.
Port D inopawo mabasa akasiyana akakosha maficha eATmega2564/1284/644RFR2.

Port E (PE7,PE5…PE0)
Mukati Port E ndeye 8-bit bi-directional I/O chiteshi ine yemukati yekudhonza-kumusoro resistors (yakasarudzwa kune yega yega). Iyo Port E inobuda mabuffers ine symmetrical drive maitiro ane ese akakwira singi uye sosi kugona. Sekupinza, mapini ePort E akadhonzerwa kunze akadzika anozobva azvino kana madhiri-up resistors akamiswa. Mapini ePort E anotaridzwa-katatu kana mamiriro ekugadzirisa atanga kushanda, kunyangwe wachi isiri kushanda.
Nekuda kweiyo yakaderera pini kuverenga kweQFN48 package port E6 haina kubatana nepini. Port E inopawo mabasa akasiyana akakosha maficha eATmega2564/1284/644RFR2.

Port F (PF7..PF5,PF4/3,PF2…PF0)
Mukati Port F ndeye 8-bit bi-directional I/O chiteshi ine yemukati yekudhonza-up resistors (yakasarudzwa kune yega yega). Iyo Port F inobuda mabuffers ine symmetrical drive maitiro ane ese akakwira singi uye sosi kugona. Sekupinza, mapini ePort F ayo akadhonzerwa kunze akadzika anozobva zvazvino kana zvidhori zvekudhonzera zvakaitwa. Mapini ePort F anotaridzwa katatu kana mamiriro ekugadzirisa atanga kushanda, kunyangwe wachi isiri kushanda.
Nekuda kweiyo yakaderera pini kuverenga kweQFN48 package port F3 uye F4 yakabatana kune imwechete pini. Iyo I / O gadziriso inofanirwa kuitwa nekuchenjerera kuitira kudzivirira yakawandisa simba kupera.
Port F inopawo mabasa akasiyana akakosha maficha eATmega2564/1284/644RFR2.

Port G (PG4,PG3,PG1)
Mukati Port G ndeye 6-bit bi-directional I/O chiteshi ine yemukati yekudhonza-up resistors (yakasarudzwa kune yega yega). Iyo Port G inobuda mabuffers ine symmetrical drive maitiro ane ese akakwira sink uye sosi kugona. Nekudaro simba remutyairi rePG3 nePG4 rakaderedzwa kana richienzaniswa nemamwe mapini echiteshi. The output voltage drop (VOH, VOL) ​​iri pamusoro apo iyo yekudonha ikozvino idiki. Sekupinza, mapini ePort G ayo akadhonzerwa kunze akadzika anozobva azvino kana madhiri-up resistors akaitwa. Mapini ePort G anotaridzwa-katatu kana mamiriro ekugadzirisa atanga kushanda, kunyangwe wachi isiri kushanda.
Nekuda kweiyo yakaderera pini kuverenga kweQFN48 package port G0, G2 uye G5 haina kubatana nepini.
Port G inopawo mabasa akasiyana akakosha maficha eATmega2564/1284/644RFR2.

AVSS_RFP
AVSS_RFP ipini yepasi yakatsaurirwa kune bi-directional, musiyano weRF I/O port.

AVSS_RFN
AVSS_RFN ipini yepasi yakatsaurirwa kune bi-directional, musiyano weRF I/O port.

RFP
RFP ndiyo yakanaka terminal kune iyo bi-directional, musiyano weRF I/O port.

RFN
RFN ndiyo inegetive terminal yeiyo bi-directional, inosiyanisa RF I/O chiteshi.

RSTN
Reset input. Iyo yakaderera mwero papini iyi kwenguva yakareba kupfuura iyo yediki pulse kureba inoburitsa reset, kunyangwe wachi isiri kushanda. Mapfupi pulses haana kuvimbiswa kugadzira reset.

XTAL1
Input kune inverting 16MHz crystal oscillator amplifier. Kazhinji kristaro pakati peXTAL1 neXTAL2 inopa iyo 16MHz referensi wachi yeredhiyo transceiver.

XTAL2
Kubuda kweiyo inverting 16MHz crystal oscillator amplifier.

TST
Kuronga uye bvunzo modhi inogonesa pini. Kana pini TST isinga shandiswe dhonzera pasi.

CLKI
Input kune wachi system. Kana yakasarudzwa, inopa wachi yekushanda ye microcontroller.

Mapini Asina Kushandiswa
Mapini anoyangarara anogona kukonzera kupera kwesimba mune yedhijitari yekuisa stage. Dzinofanirwa kubatanidzwa kune imwe nzvimbo yakakodzera. Mune akajairwa oparesheni modes iyo yemukati yekudhonza-up resistors inogona kugoneswa (mu Reset ese maGPIO anogadziriswa seyekupinza uye anodhonza-up resistors haasati agoneswa).
Bi-directional I/O mapini haafanirwe kubatanidzwa nepasi kana magetsi emagetsi zvakananga.
Mapini ekupinza edhijitari TST neCLKI anofanira kunge akabatana. Kana pini isina kushandiswa TST inogona kubatana neAVSS nepo CLKI inofanirwa kubatana neDVSS.
Mapini ekubuda anofambiswa nemudziyo uye haana kuyangarara. Mapini ekupa magetsi anoenderana nepasi ekupa mapini akabatanidzwa pamwechete mukati.
XTAL1 uye XTAL2 haizombomanikidzwi kupa voltage panguva imwe chete.

Kuenderana uye Feature Limitations yeQFN-48 Package

AREF
Chirevo voltage inobuda yeA/D converter haina kubatana nepini muATmega2564/1284/644RFR2.

Port E6
Chiteshi E6 hachina kubatana nepini muATmega2564/1284/644RFR2. Iyo imwe pini inoshanda sekupinza wachi kune timer 3 uye yekunze kukanganisa 6 haisipo.

Port F3 uye F4
Iyo port F3 neF4 yakabatana kune imwechete pini muATmega2564/1284/644RFR2. Kugadziriswa kwekubuda kunofanirwa kuitwa nekuchenjerera kuitira kudzivirira zvakanyanya kushandiswa ikozvino.
Iyo imwe pin basa rechiteshi F4 rinoshandiswa neJTAG interface. Kana iyo JTAG interface inoshandiswa iyo port F3 inofanirwa kugadzirwa seyekupinza uye imwe yepini yebasa inobuda DIG4 (RX/TX chiratidzo) inofanira kuvharwa. Zvikasadaro JTAG interface haishande. Iyo SPIEN Fuse inofanirwa kurongwa kuitira kuti ikwanise kudzima chirongwa chinotyaira port F3 netsaona.
Pane 7 chete-yapera imwe chete yekupinza chiteshi kune ADC iripo.

Chiteshi G0
Iyo port G0 haina kubatana nepini muATmega2564/1284/644RFR2. Iyo alternate pini basa DIG3 (inverted RX/TX chiratidzo) haisi kuwanikwa. Kana iyo JTAG interface haisi kushandiswa iyo DIG4 imwe pini yepini inobuda pachiteshi F3 inogona kushandiswa seRX/TX chiratidzo.

Chiteshi G2
Iyo port G2 haina kubatana nepini muATmega2564/1284/644RFR2. Iyo alternate pini basa AMR (asynchronous otomatiki mita yekuverenga yekuisa kune timer 2) haisi kuwanikwa.

Chiteshi G5
Iyo port G5 haina kubatana nepini muATmega2564/1284/644RFR2. Iyo alternate pini basa OC0B (inobuda enzanisa chiteshi che8-Bit timer 0) haisi kuwanikwa.

RSTON
Iyo RSTON reset yakabuda inoratidzira iyo yemukati reset mamiriro haina kubatana nepini muATmega2564/1284/644RFR2.

Kugadzirisa pfupiso

Zvinoenderana nezvinodiwa zvekushandisa, saizi yekurangarira inosiyana inobvumira kukwirisa mashandisiro azvino uye kuvuza ikozvino.

Tafura 3-1 Memory Configuration

Mudziyo	Flash	EEPROM	SRAM
ATmega2564RFR2	256KB	8KB	32KB
ATmega1284RFR2	128KB	4KB	16KB
ATmega644RFR2	64KB	2KB	8KB

Package uye yakabatana pini kumisikidzwa yakafanana kune ese maturusi anopa kushanda kwakazara kune application.

Tafura 3-2 System Configuration

Mudziyo	Package	GPIO	Seri IF	ADC chiteshi
ATmega2564RFR2	QFN48	33	2 UART, SPI, TWI	7
ATmega1284RFR2	QFN48	33	2 UART, SPI, TWI	7
ATmega644RFR2	QFN48	33	2 UART, SPI, TWI	7

Midziyo yacho yakagadziridzwa kune zvikumbiro zvinoenderana neZigBee uye IEEE 802.15.4 yakatarwa. Kuve neapp stack, network layer, sensor interface uye yakanakisa simba rekudzora rakasanganiswa mune imwechete chip makore mazhinji ekushanda anofanira kuitika.

Tafura 3-3 Application Profile

Mudziyo	Application
ATmega2564RFR2	Large Network Coordinator / Router yeIEEE 802.15.4 / ZigBee Pro
ATmega1284RFR2	Network Coordinator / Router yeIEEE 802.15.4
ATmega644RFR2	End node mudziyo / network processor

Application Circuits

Basic Application Schematic

A basic application schematic yeATmega2564/1284/644RFR2 ine imwe-inopera RF yekubatanidza inoratidzwa muFigure 4-1 pazasi uye inobatanidzwa Bill yeMaterial muTable 4-1 papeji 10. Iyo 50Ω imwe-inopera RF yekuisa inoshandurwa. kune 100Ω musiyano weRF port impedance uchishandisa Balun B1. Iwo capacitors C1 uye C2 anopa AC kubatanidzwa kweRF yekuisa kuRF port, capacitor C4 inovandudza kuenderana.

Mufananidzo 4-1. Basic Application schematic (48-pini pasuru)

Simba rekupa bypass capacitors (CB2, CB4) rakabatana nepini yekunze yeanalogi (EVDD, pin 44) uye yekunze yedhijitari yekupa pini (DEVDD, pini 16). Iyo capacitor C1 inopa inodiwa AC coupling yeRFN/RFP.
Mapini anoyangarara anogona kukonzera kupera simba rakawandisa (semuenzaniso panguva yemagetsi). Dzinofanirwa kubatanidzwa kune imwe nzvimbo yakakodzera. GPIO haifanirwe kubatana nepasi kana magetsi emagetsi zvakananga.
Mapini ekupinza edhijitari TST neCLKI anofanira kunge akabatana. Kana pini TST isingambo shandiswe inogona kubatana neAVSS nepo pini isina kushandiswa CLKI ichigona kubatana neDVSS (ona chitsauko "Mapini Asina Kushandiswa").
Capacitors CB1 uye CB3 ibypass capacitor yeiyo yakabatanidzwa analogi uye dijitari voltage regulators kuti ave nechokwadi chekushanda kwakagadzikana uye kuvandudza kudzivirirwa kweruzha.
Macapacitors anofanirwa kuiswa padyo sezvinobvira kumapini uye anofanirwa kuve nekushomeka kwakaderera uye kuderera-inductance kubatana kusvika pasi kuti uwane kuita kwakanakisa.

Iyo crystal (XTAL), iyo mbiri capacitor (CX1, CX2), uye yemukati wedunhu yakabatana nemapini XTAL1 uye XTAL2 inoumba iyo 16MHz crystal oscillator ye2.4GHz transceiver. Kuti uwane iyo yakanyanya kurongeka uye kugadzikana kweiyo referensi frequency, yakakura parasitic capacitances inofanira kudziviswa. Mitsetse yeCrystal inofanirwa kufambiswa ipfupi sezvinobvira uye kwete padyo nedhijitari I/O masiginecha. Izvi zvinonyanya kudiwa kune High Data Rate Modes.
Iyo 32.768 kHz crystal yakabatana neiyo yemukati yakaderera simba (sub 1µA) crystal oscillator inopa yakagadzikana nguva yereferensi kune ese mashoma magetsi modes anosanganisira 32 Bit IEEE 802.15.4 Symbol Counter ("MAC Symbol Counter") uye nguva chaiyo yekushandisa uchishandisa asynchronous. timer T/C2 (“Timer/Counter2 ine PWM uye Asynchronous Operation”).
Yese shunt capacitance inosanganisira CX3, CX4 haifanirwe kudarika 15pF pamapini ese ari maviri.
Iyo yakaderera kwazvo yekugovera ikozvino yeoscillator inoda kungwarira marongero ePCB uye chero nzira yekudonha inofanirwa kudzivirirwa.
Crosstalk uye nemwaranzi kubva pakuchinja masaini edhijitari kuenda kumakristaro mapini kana maRF mapini anogona kukanganisa mashandiro ehurongwa. Iyo hurongwa hwehushoma dhiraivha simba zvigadziriso zvedhijitari inobuda chiratidzo inokurudzirwa (ona "DPDS0 - Port Driver Simba Rejista 0").

Tafura 4-1. Bhiri reZvinhu (BoM)

Mugadziri	Tsanangudzo	Value	Mugadziri	Chikamu Nhamba	Comment
B1	SMD chikamu SMD balun / sefa	2.4 GHz	Wuerth Johanson Technology	748421245 2450FB15L0001	Sefa inosanganisirwa
CB1 CB3	LDO VREG bypass capacitor	1 mF (100nF shoma)	AVX Murata	0603YD105KAT2A GRM188R61C105KA12D	X5R (0603) 10% 16V
CB2 CB4	Simba rekupa bypass capacitor	1 mF (100nF shoma)
CX1,C2	16MHz crystal mutoro capacitor	12 pF	AVX Murata	06035A120JA GRP1886C1H120JA01	COG (0603) 5% 50V
CX3,C4	32.768kHz crystal load capacitor	12 … 25 pF
C1, C2	RF coupling capacitor	22 pF	Epcos Epcos AVX	B37930 B37920 06035A220JAT2A	C0G 5% 50V (0402 kana 0603)
C4 (kusarudza)	RF kuenzanisa	0.47 pF	Johnstech
XTAL	Crystal	CX-4025 16 MHz SX-4025 16 MHz	ACAL Taitjen Siward	XWBBPL-F-1 A207-011
XTAL 32kHz	Crystal				Rs=100 kOhm

Revision History

Ndapota cherechedza kuti nhamba dzepeji dziri muchikamu chino dziri kureva gwaro iri. Kudzokororwa kuri kurehwa muchikamu chino kunoreva kudzokororwa kwegwaro.

Rev. 42073BS-MCU Wireless-09/14

1. Zvemukati hazvina kuchinjwa - zvakagadziridzwa kuti zvakasanganiswa kuburitswa nedhetabheti.

Rev. 8393AS-MCU Wireless-02/13

1. Kusunungurwa kwekutanga.

© 2014 Atmel Corporation. Kodzero dzese dzakachengetwa. / Rev.: 42073BS-MCU Wireless-09/14 Atmel® , Atmel logo nemisanganiswa yacho, Kugonesa Unlimited Possibilities® , uye mamwe marekodhi akanyoreswa kana zviratidzo zveAtmel Corporation kana masangano ayo. Mamwe mazwi uye mazita echigadzirwa anogona kunge ari zviratidzo zvevamwe.
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Mouser Electronics

Mvumo Distributor

Dzvanya kuti View Mitengo, Inventory, Delivery & Lifecycle Ruzivo:

Microchip:

ATMEGA644RFR2-ZU
ATMEGA2564RFR2-ZF
ATMEGA644RFR2-ZF
ATMEGA644RFR2-ZUR
ATMEGA1284RFR2-ZU
ATMEGA2564RFR2-ZFR
ATMEGA1284RFR2-ZFR
ATMEGA1284RFR2-ZUR
ATMEGA644RFR2-ZFR
ATMEGA2564RFR2-ZU
ATMEGA1284RFR2-ZF
ATMEGA2564RFR2-ZUR

Mutengi Support

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USA
Nhare: (+1)408-441-0311
Fax: (+1)408-487-2600
www.atmel.com

Zvinyorwa / Zvishandiso

Atmel ATmega2564 8bit AVR Microcontroller [pdf] Bhuku reMuridzi ATmega2564RFR2, ATmega1284RFR2, ATmega644RFR2, ATmega2564 8bit AVR Microcontroller, ATmega2564, 8bit AVR Microcontroller, AVR Microcontroller, Microcontroller

References

• User Manual