DIGILENT PmodACL2 3-Axis MEMS Accelerometer

Bayanan Bayani na PmodACL2TM

An sabunta May 24, 2016
Wannan littafin ya shafi PmodACL2 rev. A 1300 Henley Court Pullman, WA 99163 509.334.6306

www.digilentinc.com

Ƙarsheview
PmodACL2 3-axis MEMS accelerometer mai ƙarfi ne ta na'urorin Analog ADXL362. Ta hanyar sadarwa tare da guntu ta hanyar ka'idar SPI, masu amfani za su iya karɓar ƙuduri har zuwa rago 12 na kowane axis na hanzari. Bugu da ƙari, wannan ƙirar tana ba da jin daɗin faɗakarwa ta waje ta hanyar ganowa ɗaya ko tap sau biyu da kuma fasalin ceton wutar lantarki ta hanyar sa ido kan rashin aiki.

Siffofin Samfur

• 3-axis MEMS accelerometer
• Har zuwa 12 ragi na ƙuduri a kowane axis
• Ƙaddamar da zaɓaɓɓen mai amfani
• Saka idanu ayyuka/rashin aiki
• Ƙananan amfani na yanzu

Umarnin Amfani da samfur

1. Haɗa PmodACL2 zuwa microcontroller ko hukumar haɓaka ta amfani da ka'idar SPI.
2. Ƙarfi a kan PmodACL2 da microcontroller/board na ci gaba.
3. Don karanta bayanan hanzari, aika umarni masu dacewa zuwa PmodACL2 ta hanyar SPI.
4. PmodACL2 yana ba da har zuwa raƙuman 12 na ƙuduri don kowane axis na hanzari. Yi amfani da fasalin ƙudurin zaɓin mai amfani don saita ƙudurin da ake so.
5. Don gano abubuwan jan hankali na waje, kunna fasalin gano guda ɗaya ko tap sau biyu akan PmodACL2.
6. Don ajiye iko, yi amfani da fasalin sa ido na rashin aiki na PmodACL2.
7. Koma zuwa Littafin Magana na PmodACL2 don cikakkun bayanai kan umarnin SPI da zaɓuɓɓukan daidaitawa.

Ƙarsheview
PmodACL2 3-axis MEMS accelerometer mai ƙarfi ne ta na'urorin Analog ADXL362. Ta hanyar sadarwa tare da guntu ta hanyar ka'idar SPI, masu amfani za su iya karɓar ƙuduri har zuwa rago 12 na kowane axis na hanzari. Bugu da ƙari, wannan ƙirar tana ba da jin daɗin faɗakarwa ta waje ta hanyar ganowa ɗaya ko tap sau biyu tare da fasalulluka na ceton wutar lantarki duk da rashin aikin sa.

Farashin PmodACL2.

Siffofin sun haɗa da:

• 3-axis MEMS accelerometer
• Har zuwa 12 ragi na ƙuduri a kowane axis
• Ƙaddamar da zaɓaɓɓen mai amfani
• Saka idanu ayyuka/rashin aiki
• Ƙananan amfani na yanzu a <2 μA a 100Hz
• Gano faɗuwa kyauta
• Ƙananan girman PCB don ƙirar ƙira 1.0 a ×
  0.8 a ciki (2.5 cm × 2.0 cm)
• Yana Bi Digilent Pmod Interface
  Ƙayyadaddun Nau'in 2A
• Laburare da tsohonampda code akwai
  a cibiyar albarkatun

Bayanin Aiki
PmodACL2 yana amfani da na'urorin Analog ADXL362 don samar da bayanan haɓaka MEMS zuwa tsarin tsarin. Tare da zurfin 512-sampda FIFO buffer, masu amfani suna iya view Dogayen abubuwan abubuwan da suka faru kafin katsewar da aka jawo ko kuma kawai sami damar samun damar shiga bayanan gaggawar hukumar lokacin da mai amfani ya ga ya fi dacewa.

Yin hulɗa tare da Pmod

PmodACL2 yana sadarwa tare da hukumar gudanarwa ta hanyar ka'idar SPI. Don karantawa daga rajistar bayanan kan allo,
Chip Select line dole ne a fara ja da ƙasa sannan a aika da umarni byte don karantawa daga rajistar bayanai (0x0B).
Dole ne a aika byte ɗin da ake so a gaba, sannan ana karɓar byte ɗin da ake so tare da MSB da farko a gefen agogo mai faɗuwa. Saboda mai nuna adireshin yana ƙara kai tsaye zuwa byte na gaba, yana yiwuwa a karanta bytes da yawa a jere ta hanyar ci gaba da bugun layin Serial Clock. ExampAna ba da jerin umarni don karantawa daga rajistar yaxis a ƙasa:

Umurnin Karanta									Adireshin Y-axis na farko
0	0	0	0	1	0	1	1	0		0	0	0	1	0	1	0

 

LSB Byte na Y-axis Data

MSB Byte na Y-axis Data

b7

b6

b5

b4

b3

b2

b1

LSB

SX

SX

SX

SX

MSB

b10

b9

b8

Lura: Kowane SX bit yana da ƙima ɗaya da mafi mahimmancin bit na bayanan y-axis.
Don karantawa daga ma'ajin FIFO, umarni byte don rubutawa zuwa rajistar bayanai (0x0A) dole ne a fara aiko da shi don mu iya saita rajistar Kula da FIFO (address 0x28) don nuna cewa muna son buffer FIFO don adana bayanai. Bayan an saita ADXL362 don amfani da buffer FIFO, sai a fara aiko da byte na umarni don karantawa daga buffer FIFO (0x0D), sannan a biyo ta biyu na bytes ɗin bayanai waɗanda ke ƙunshe da axis da ake aunawa da kuma bayanan hanzari. ExampAn ba da saitin umarni don karantawa daga buffer FIFO a ƙasa:

Umurnin Karanta FIFO Control Adireshin adireshin Dokar FIFO Karanta
0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 1

LSB Byte na Axis Data

MSB Byte na Axis Data

b7

b6

b5

b4

b3

b2

b1

LSB

b15

b14

SX

SX

MSB

b10

b9

b8

Lura: Kowane SX bit yana da ƙima ɗaya da mafi mahimmancin bit na bayanan y-axis. b15 da b14 suna wakiltar wane axis bayanan mai shigowa ke wakilta.

Teburin Bayanin Pinout

Bayanan Bayani na PmodACL2

Mai haɗa J1

Mai haɗa J2

Pin

Sigina

Bayani

Pin

Sigina

Bayani

Pin

Sigina

Bayani

1

~CS

Zaɓi guntu

7

INT2

Katse Biyu

1

INT1

Katse Daya

2

MOSI

Jagora Out Bawa In

8

INT1

Katse Daya

2

G

Tushen wutan lantarki Kasa

3

MISO

Jagora A Bawa Fita

9

NC

Ba a haɗa

Mai haɗa J3

4

SCLK

Serial agogon

10

NC

Ba a haɗa

Pin

Sigina

Bayani

5

GND

Tushen wutan lantarki ƙasa

11

GND

Tushen wutan lantarki ƙasa

1

INT2

Katse Biyu

6

VCC

Tushen wutan lantarki (3.3V)

12

VCC

Tushen wutan lantarki (3.3V)

2

G

Tushen wutan lantarki Kasa

PmodACL2 kuma yana da fil ɗin katsewa guda biyu masu shirye-shirye don amfani. Ana iya saita waɗannan fitilun biyu don haifar da katsewa akan abubuwa daban-daban da suka haɗa da aiki / rashin aiki (don taimakawa rage ƙarfin tsarin), lokacin da aka cika buffer FIFO zuwa matakin da ake so, lokacin da aka shirya dawo da bayanai, da sauran abubuwan jan hankali.
Duk wani ƙarfin waje da aka yi amfani da shi ga PmodACL2 dole ne ya kasance tsakanin 1.6V da 3.5V. Saboda haka, tare da allon tsarin Digilent, wannan Pmod dole ne a kashe shi daga layin dogo na 3.3V.

Girman Jiki
An raba fitattun fitilun da ke kan kan fil a nisan mil 100. PCB yana da tsayin inci 0.95 akan gefuna daidai da fil akan filin kan da tsayin inci 0.8 akan gefuna daidai da filin kan.

Haƙƙin mallaka Digilent, Inc. Duk haƙƙin mallaka.
Sauran samfura da sunayen kamfanoni da aka ambata na iya zama alamun kasuwanci na masu su.

Takardu / Albarkatu

DIGILENT PmodACL2 3-Axis MEMS Accelerometer [pdf] Littafin Mai shi PmodACL2 3-Axis MEMS Accelerometer, PmodACL2, 3-Axis MEMS Accelerometer, MEMS Accelerometer, Accelerometer

Magana

• Manual mai amfani