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Datasheet4 I, ? Y* v' J) f: U 数据表6 a+ _0 o# s7 r" s, {) e Bosch Sensortec 0 S% j2 ?) U0 _$ @4 r- [% Q" p博世传感器 # ?7 d& D* \) f& @4 Z6 cSMB380 型- K4 w7 R$ I* c: S L6 K Three-axis-accelerometerk4 B6 U O$ o4 n& j1 i+ a: q 三轴加速度计(陀螺仪,数字信号输出)- a( t' |9 g* }; b- R) p( F8 u+ R 这款陀螺仪是民用品中比较流行的,体积2*8*10mm ' \: b, T v* ^! Q) s* e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 H" p7 t2 R2 L0 C8 O (............ ' |" B5 Y9 [: p0 [3.2 INTERRUPT SETTINGS # `8 o4 U3 l! B- V2 W: ?* }Five different types of interrupts can be programmed. When the corresponding criterion# F$ {( |" `; y; K( [5 L$ } becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined) B, z) e6 L7 ~# w1 D and drive the interrupt pad with an Boolean condition.0 \# e- q: U/ h6 f 3.2中断设置 * s- A- i: v" q6 @) v% E3 K5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),而且可以用布尔条件来(Boolean condition)驱动中断缓冲器。 + d7 A! G. z; c6 N6 x% R * W; K. G3 H: H5 _Interrupt generations may be disturbed by changes of EEPROM, image or other control bits / X6 ]7 d- w! gbecause some of these bits influence the interrupt calculation. As a consequence, no write 6 _% y7 a( ~1 |sequence should occur when microprocessor is triggered by interrupt or the interrupt should be# @1 G @& f- {- I" h deactivated on the microprocessor side when write sequences are operated.) ~% U2 j5 M6 I# `9 D! e6 F 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。 : m0 k% H6 ?/ x4 F 3 H& Z1 ?) b( o; S4 `/ p1 x |Interrupt criteria are using digital code coming from digital filter output. As a consequence all: i: M F; ` t, T thresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration 8 y( b* V9 G4 Sand low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers" O) l- c* f @. U/ ?4 O corresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%), : f. i. t* I0 Nthus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert: U( f& v5 t7 q detection are proportional to bandwidth settings (section 3.1.3). : L6 N2 t' A! ]0 v+ N7 G7 f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) 3 Q7 M7 I+ l( }' G% z" \5 m) . t1 {1 o1 P) U6 q+ E- N. z# \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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