DIGILENT PmodACL2 3-Axis MEMS Accelerometer

Akwụkwọ ntuziaka PmodACL2TM

Emegharịrị May 24, 2016
Akwụkwọ ntuziaka a na-emetụta PmodACL2 rev. A 1300 Henley Court Pullman, WA 99163 509.334.6306

www.digilentinc.com

gafereview
PmodACL2 bụ 3-axis MEMS accelerometer kwadoro site na Ngwaọrụ Analog ADXL362. Site na iji mgbawa na-ekwurịta okwu site na protocol SPI, ndị ọrụ nwere ike nweta ihe ruru 12 nke mkpebi maka axis nke osooso. Na mgbakwunye, modul a na-enye nghọta ihe na-akpalite mpụga site na nchọpụta otu ma ọ bụ ugboro abụọ yana njirimara nchekwa ike site na nleba anya adịghị arụ ọrụ ya.

Njirimara ngwaahịa

• 3-axis MEMS accelerometer
• Ruo 12 bit nke mkpebi kwa axis
• Mkpebi nwere ike ịhọrọ onye ọrụ
• nlekota oru/adịghị arụ ọrụ
• Oriri dị ala ugbu a

Ntuziaka ojiji ngwaahịa

1. Jikọọ PmodACL2 na microcontroller ma ọ bụ bọọdụ mmepe gị site na iji protocol SPI.
2. Ike na PmodACL2 na microcontroller/mmepe osisi gị.
3. Iji gụọ data osooso, ziga iwu kwesịrị ekwesị na PmodACL2 site na SPI.
4. PmodACL2 na-enye mkpebi ruru 12 ibe n'ibe maka axis ọ bụla nke osooso. Jiri njirimara mkpebi onye ọrụ nwere ike iji hazie mkpebi achọrọ.
5. Iji chọpụta ihe na-akpalite mpụga, mee ka njirimara nchọpụta otu ma ọ bụ ugboro abụọ na PmodACL2.
6. Ka ịchekwaa ike, jiri njirimara nlebanya anaghị arụ ọrụ nke PmodACL2.
7. Rụtụ aka na akwụkwọ ntuziaka PmodACL2 maka ozi zuru ezu na iwu SPI na nhọrọ nhazi.

gafereview
PmodACL2 bụ 3-axis MEMS accelerometer kwadoro site na Ngwaọrụ Analog ADXL362. Site na iji mgbawa na-ekwurịta okwu site na protocol SPI, ndị ọrụ nwere ike nweta ihe ruru 12 nke mkpebi maka axis nke osooso. Na mgbakwunye, modul a na-enye nghọta ihe na-akpalite mpụga site na nchọpụta otu ma ọ bụ ugboro abụọ yana njirimara nchekwa ike n'agbanyeghị na nleba anya anaghị arụ ọrụ ya.

PmodACL2.

Atụmatụ gụnyere:

• 3-axis MEMS accelerometer
• Ruo 12 bit nke mkpebi kwa axis
• Mkpebi nwere ike ịhọrọ onye ọrụ
• nlekota oru/adịghị arụ ọrụ
• Oriri dị ala ugbu a na <2 μA na 100Hz
• Nchọpụta ọdịda efu
• Obere PCB maka atụmatụ mgbanwe 1.0 na ×
  0.8 inch (2.5 cm × 2.0 cm)
• Na-esochi Interface Pmod Digilent
  Ụdị nkọwapụta 2A
• Ọbá akwụkwọ na example koodu dị
  na resource center

Nkọwa ọrụ
PmodACL2 na-eji Ngwaọrụ Analog ADXL362 iji nye data ngwangwa MEMS na bọọdụ sistemụ. Ya na omimi 512-sampna FIFO nchekwa, ndị ọrụ na-enwe ike view ogologo usoro ihe omume tupu nkwụsị nke kpalitere ma ọ bụ nwee ike ịnweta data osooso nke bọọdụ sistemụ mgbe onye ọrụ hụrụ na ọ kacha adaba.

Mmekọrịta na Pmod

PmodACL2 na-ekwurịta okwu na bọọdụ nnabata site na protocol SPI. Iji gụọ site na ndekọ ndekọ data nọ n'elu,
A ga-ebu ụzọ dọtu ahịrị Chip Họrọ ala wee zipụ byte iwu ka ọ gụọ na ndekọ data (0x0B).
A ga-eziga byte a chọrọ na-esote, wee nweta byte achọrọ na MSB na mbụ n'akụkụ elekere na-ada. N'ihi na ihe nrịbama adreesị ahụ na-abawanye na baiti adreesị na-esote, ọ ga-ekwe omume ịgụ ọtụtụ bytes n'usoro site n'ịga n'ihu na-akụtu ahịrị elekere Serial. Otu exampEnyere usoro iwu ịgụ site na ndekọ yaxis n'okpuru:

Ọgụgụ Iwu									Adreesị axis Y nke mbụ
0	0	0	0	1	0	1	1	0		0	0	0	1	0	1	0

 

LSB Byte nke data Y-axis

MSB Byte nke data Y-axis

b7

b6

b5

b4

b3

b2

b1

LSB

SX

SX

SX

SX

Ọkachamara

b10

b9

b8

Mara: SX bit ọ bụla bụ otu uru dị ka ntakịrị ntakịrị nke data y-axis.
Iji gụọ site na nchekwa FIFO, iwu byte ka edebanye aha na ndekọ data (0x0A) ga-ebu ụzọ ziga ka anyị nwee ike ịhazi ndekọ njikwa FIFO (adreesị 0x28) iji gosi na anyị chọrọ ka FIFO buffer chekwaa data. Mgbe ahaziri ADXL362 ka ọ jiri ihe nchekwa FIFO, iwu byte ga-agụ site na FIFO buffer (0x0D) ga-ebu ụzọ ziga, wee soro ụzọ abụọ nke data data nwere nke axis na-atụ yana data ngwa ngwa. Otu exampEnyere usoro iwu ka ịgụọ site na nchekwa FIFO n'okpuru:

Iwu Gụọ FIFO njikwa ndekọ adreesị iwu FIFO Gụọ
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 nke Axis Data

MSB Byte nke data Axis

b7

b6

b5

b4

b3

b2

b1

LSB

b15

b14

SX

SX

Ọkachamara

b10

b9

b8

Mara: SX bit ọ bụla bụ otu uru dị ka ntakịrị ntakịrị nke data y-axis. b15 na b14 na-anọchi anya nke axis data na-abata na-anọchi anya.

Okpokoro nkọwa Pinout

Okpokoro Pinout nke PmodACL2

Njikọ J1

Njikọ J2

Ntụtụ

Signal

Nkọwa

Ntụtụ

Signal

Nkọwa

Ntụtụ

Signal

Nkọwa

1

~CS

Nhọrọ mgbawa

7

INT2

Kwụsị Abụọ

1

INT1

Kwụsị otu

2

MOSI

Nna-ukwu Ohu In

8

INT1

Kwụsị otu

2

G

Ịnye ọkụ Ala

3

MISO

Nna-ukwu na Ohu pụọ

9

NC

Ejikọtaghị ya

Njikọ J3

4

Bipute

Oghere Usoro elekere

10

NC

Ejikọtaghị ya

Ntụtụ

Signal

Nkọwa

5

GND

Ịnye ọkụ ala

11

GND

Ịnye ọkụ ala

1

INT2

Kwụsị Abụọ

6

VCC

Ịnye ọkụ (3.3V)

12

VCC

Ịnye ọkụ (3.3V)

2

G

Ịnye ọkụ Ala

PmodACL2 nwekwara ntụtụ nkwụsịtụ abụọ nwere ike ime mmemme dị maka ojiji. Enwere ike ịtọ ntụtụ abụọ a ka ọ kpalite nkwụsịtụ n'elu ọtụtụ ihe dị iche iche gụnyere ọrụ / enweghị ọrụ (iji nyere aka belata ike usoro), mgbe FIFO buffer jupụtara n'ogo a chọrọ, mgbe data dị njikere iweghachite, na ihe ndị ọzọ na-akpata.
Ike mpụga ọ bụla etinyere na PmodACL2 ga-abụrịrị n'ime 1.6V na 3.5V. N'ihi ya, na bọọdụ sistemụ Digilent, Pmod a ga-agbapụ na ụgbọ okporo ígwè 3.3V.

Akụkụ anụ ahụ
A na-ekewa ntụtụ ndị dị na nkụnye eji isi mee ihe 100 mil iche. PCB dị sentimita 0.95 n'ogologo n'akụkụ ya na ntụtụ dị na nkụnye eji isi mee na 0.8 sentimita asatọ n'ogologo n'akụkụ ya na-adaba na nkụnye eji isi mee.

Nwebiisinka Digilent, Inc. Ikike niile echekwabara.
Ngwaahịa na aha ụlọ ọrụ ndị ọzọ akpọtụrụ nwere ike ịbụ ụghalaahịa nke ndị nwe ha.

Akwụkwọ / akụrụngwa

DIGILENT PmodACL2 3-Axis MEMS Accelerometer [pdf] Akwụkwọ ntuziaka onye nwe PmodACL2 3-Axis MEMS Accelerometer, PmodACL2, 3-Axis MEMS Accelerometer, MEMS Accelerometer, Accelerometer

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