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Datasheet
3 J$ c% j! j. S: U: k" F数据表 4 m# a9 {. p" ?$ J& o( o
Bosch Sensortec
$ F8 Y$ i% w& m/ `6 y w g, E9 a博世传感器
% T) S+ L: o g3 ~; q8 }. NSMB380 型
U. ^2 m& h9 l* D, [" T" pThree-axis-accelerometer
& Q1 \6 V* j$ x. `三轴加速度计(陀螺仪,数字信号输出); {# ?' [; t s( B& z' c
这款陀螺仪是民用品中比较流行的,体积2*8*10mm# R! D3 Q9 f# Z6 z( l# [! Z
采用可编程的控制方法,3.3-5v的电源输入.其他的见数据表吧:
, @3 w! g3 F n! H(............
8 h% F* q2 l! R6 m; r( X3.2 INTERRUPT SETTINGS
$ ]- q* `; H& L0 X9 x+ x( W: q9 QFive different types of interrupts can be programmed. When the corresponding criterion & D. l b( @% E" X$ a
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
9 s; P6 ^& c2 B$ L. W9 s% jand drive the interrupt pad with an Boolean <OR> condition.
6 I* r# V6 x1 m5 @3 i3.2中断设置& A6 p% D0 q( m0 ^
5种不同类型的可编程中断。当相应的(中断)准则有效时,中断引脚被一个高电平触发。所有的中断准则都是相结合的(combined ),而且可以用布尔<OR>条件来( Boolean <OR> condition)驱动中断缓冲器。
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Interrupt generations may be disturbed by changes of EEPROM, image or other control bits
( k& ]7 U) S4 xbecause some of these bits influence the interrupt calculation. As a consequence, no write + r4 d9 N/ y6 R2 R6 Y+ Z
sequence should occur when microprocessor is triggered by interrupt or the interrupt should be ; q r4 u) D: L0 j+ w) `& l
deactivated on the microprocessor side when write sequences are operated. , A% R% l; c' }. }# m( ~/ v
中断的产生可能被EEPROM ,image或其他控制位的改变所改变.因为其中一些控制位影响中断计算。因此,未写的(中断)时间序列应该在微处理器被其他中断触发(生效)前发生,或者微处理器应该屏蔽(后来发生的)中断当已写(中断)时间序列(write sequences)正在运行时。' u Q5 y) I) w9 c
+ K3 a4 r; I( sInterrupt criteria are using digital code coming from digital filter output. As a consequence all ) n# \4 y% O% R! l7 P# G
thresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration
8 f( A& A" Z+ T# ^& ~8 L9 L! rand low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers
+ G" e& C/ B ~. u. ucorresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%), 3 X5 L; k6 o& g* n
thus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert
0 w" {6 M9 Q4 b7 i& n' ndetection are proportional to bandwidth settings (section 3.1.3).
, T" [: Q6 z) D. Y, a中断准则使用的数字代码来自数字滤波器输出。因此所有阈值的设置都由量程选择开关来界定(section 3.1.3.2 ) 。用于高加速度和低加速度之间的去抖timiming是绝对值( HG_dur和LG_dur寄存器的一个最小可分辨信号(correspond to)相当于1毫秒, timiming的准确性于振荡器精度成正比= + / -10 % ) , 因此,它并不依赖于选定的带宽。用于motion中断位和alert规则的timiming正比于带宽设置(section 3.1.3 )
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1 w% }, k! Y0 Z% n" E- k& n) [0 G3 y! x这是本人接的一个翻译活,不算什么机密,共40页,但是还没翻完,先看十页吧.发出来就是让大家看看mens系统的陀螺仪是怎么工作的!!!有兴趣的话,可以十天后下我的完整版的数据表!!! |
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