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PMODGYRO2_RM

更新时间: 2024-11-25 12:46:51
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其他 - ETC /
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2页 239K
描述
The PmodGYRO2 features the Analog Devices ADXRS453 High Performance, Digital Output Gyroscope that is ideal for systems in need of a gyroscope for high vibration environments.

PMODGYRO2_RM 数据手册

 浏览型号PMODGYRO2_RM的Datasheet PDF文件第2页 
PmodGYRO2™ Reference Manual  
Revision: October 24, 2012  
1300 NE Henley Court, Suite 3  
Pullman, WA 99163  
(509) 334 6306 Voice | (509) 334 6300 Fax  
Note: This document applies to REV A of the board.  
Overview  
The PmodGYRO2 features the Analog Devices  
ADXRS453 High Performance, Digital Output  
Gyroscope that is ideal for systems in need of  
a gyroscope for high vibration environments.  
Functional Description  
The PmodGYRO2 is a single-axis high  
performance gyroscope that utilizes a standard  
6-pin connector and communicates via a Serial  
Peripheral Interface (SPI) bus.  
Interface  
Features include:  
The PmodGYRO2 interfaces with systems  
using standard SPI transmission protocol. (See  
table 1 for signal descriptions.) The module is  
set up for Clock Phase = Clock Polarity = 0 or  
Simple SPI interface  
300°/sec angular rate sensing  
Ultrahigh vibration rejection .01°/sec/g  
Excellent 16°/hour null bias stability  
Internal temperature compensation  
Continuous self-test  
SPI mode 0.  
Users should drive SPI  
communication only to a maximum frequency  
of 8MHz.  
This Analog Devices gyroscope utilizes a 32-  
bit Command/Response system to facilitate  
communication with user devices. System  
commands are sent to the Pmod during one  
32-bit transmission sequence, and it returns a  
response during the next 32-bit transmission  
sequence. This message layout ensures that  
the very first module response is always  
0x00000001. (See table 2 for details on bit  
definitions.)  
When users assert chip select for each  
command, the PmodGyro2 begins latching rate  
data in case the command is a data request.  
The device then sends the data via the  
response in the next command sequence. The  
PmodGyro2 is capable of sending three  
different types of command packets and  
returning four different response packets. (See  
tables 3 and 4 for a breakdown of the allowed  
SPI commands and responses.)  
the device is only 8-bits wide.  
Due to the  
differences in widths, a read command will  
return the register requested and the next  
sequential register in the memory map. The  
same width ratio applies to a write command.  
Users should address read and write  
commands to even registers only. Users  
that desire access to an odd register must  
address commands to the previous (even)  
register.  
For simple acquisition of data, users should  
issue an SPI Command in the Sensor Data  
Format. This will return an SPI Response in  
the Sensor Data Format on the next SPI  
transmission.  
The ADXRS453 has a continuous self-test  
the  
function  
that  
tests  
complete  
electromechanical system and reports errors to  
the user. The ADXRS453 returns results to  
users via the FAULT register. The status of  
the PmodGYRO2 is included in most  
responses The PmodGyro2 also prevents  
Even though commands are 32-bits wide and  
the data part is 16-bits wide, each register in  
Doc: 502-232  
page 1 of 2  

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