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Datasheet7 M8 H' ], ~1 J: u, I/ z- a
數(shù)據(jù)表
+ V* k4 K8 L& i9 d" Y( B# MBosch Sensortec* R+ e3 i! j: q
博世傳感器
& w1 H8 @, s% bSMB380 型
+ k8 G- a9 ?4 @* }6 S( gThree-axis-accelerometer2 Z; t8 l2 B$ M' ]1 j# r$ r2 @' _
三軸加速度計(jì)(陀螺儀,數(shù)字信號(hào)輸出)
1 x* n9 G2 J: P% J6 b1 I這款陀螺儀是民用品中比較流行的,體積2*8*10mm
( h1 J3 i d. U采用可編程的控制方法,3.3-5v的電源輸入.其他的見數(shù)據(jù)表吧:
$ M. H4 H( d. Z7 u(............ : a1 T& N) Q7 r5 q+ U
3.2 INTERRUPT SETTINGS
' O% v' r+ R8 |$ h* W: l, xFive different types of interrupts can be programmed. When the corresponding criterion 7 V: b* M8 g& S u5 {1 U# \; t
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
; ?& R; r/ Y1 v0 h- Yand drive the interrupt pad with an Boolean <OR> condition. ! V$ b# F) C A) b" v% b
3.2中斷設(shè)置
" i" O, T( n5 R2 a- d O5種不同類型的可編程中斷。當(dāng)相應(yīng)的(中斷)準(zhǔn)則有效時(shí),中斷引腳被一個(gè)高電平觸發(fā)。所有的中斷準(zhǔn)則都是相結(jié)合的(combined ),而且可以用布爾<OR>條件來(lái)( Boolean <OR> condition)驅(qū)動(dòng)中斷緩沖器。2 T8 Q) V& O3 w! f7 m
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Interrupt generations may be disturbed by changes of EEPROM, image or other control bits ! }/ J4 E$ [" N+ N3 j/ E
because some of these bits influence the interrupt calculation. As a consequence, no write , I+ I6 z" G& s ]
sequence should occur when microprocessor is triggered by interrupt or the interrupt should be
3 f. n" n- [5 q5 ndeactivated on the microprocessor side when write sequences are operated.
% U" t1 @" y" g3 F中斷的產(chǎn)生可能被EEPROM ,image或其他控制位的改變所改變.因?yàn)槠渲幸恍┛刂莆挥绊懼袛嘤?jì)算。因此,未寫的(中斷)時(shí)間序列應(yīng)該在微處理器被其他中斷觸發(fā)(生效)前發(fā)生,或者微處理器應(yīng)該屏蔽(后來(lái)發(fā)生的)中斷當(dāng)已寫(中斷)時(shí)間序列(write sequences)正在運(yùn)行時(shí)。/ W* O+ X/ b$ x& J$ G
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Interrupt criteria are using digital code coming from digital filter output. As a consequence all $ u: c4 T& n5 h d$ ~% w
thresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration
- a4 e$ H) f+ M2 A) O* |% }and low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers
; ?$ [4 _7 U( Ncorresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%),
$ z* K9 u/ a; W3 O) athus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert - d0 k7 G# f* L! t- X: u
detection are proportional to bandwidth settings (section 3.1.3).
2 A) P, y' E j+ ^) ~: t9 d中斷準(zhǔn)則使用的數(shù)字代碼來(lái)自數(shù)字濾波器輸出。因此所有閾值的設(shè)置都由量程選擇開關(guān)來(lái)界定(section 3.1.3.2 ) 。用于高加速度和低加速度之間的去抖timiming是絕對(duì)值( HG_dur和LG_dur寄存器的一個(gè)最小可分辨信號(hào)(correspond to)相當(dāng)于1毫秒, timiming的準(zhǔn)確性于振蕩器精度成正比= + / -10 % ) , 因此,它并不依賴于選定的帶寬。用于motion中斷位和alert規(guī)則的timiming正比于帶寬設(shè)置(section 3.1.3 ). G0 V( W( N. r' q( P& J" s% L
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這是本人接的一個(gè)翻譯活,不算什么機(jī)密,共40頁(yè),但是還沒翻完,先看十頁(yè)吧.發(fā)出來(lái)就是讓大家看看mens系統(tǒng)的陀螺儀是怎么工作的!!!有興趣的話,可以十天后下我的完整版的數(shù)據(jù)表!!! |
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