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Datasheet4 `- y# i) j/ _- K5 {9 I
數(shù)據(jù)表 - G2 F# G% J- e3 d$ O/ H! L
Bosch Sensortec
" H4 E! j- v0 a$ H$ V( R博世傳感器: S$ |4 f5 M$ w* U, d# H% i& a1 k
SMB380 型0 s+ x' ]; a% q7 n, S& l
Three-axis-accelerometer; T4 @: |1 W$ T
三軸加速度計(jì)(陀螺儀,數(shù)字信號輸出)9 x/ W/ i9 ?- J* P8 v ~
這款陀螺儀是民用品中比較流行的,體積2*8*10mm1 M B% q+ t+ B3 m4 {
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:' a% B3 {, L1 A& _5 M9 Z1 S' R3 Z
(............ " @/ a- Q! S( v/ \! R8 k0 C
3.2 INTERRUPT SETTINGS # \6 V: W1 x. V: [: t& F
Five different types of interrupts can be programmed. When the corresponding criterion ! [' |' F S) b# G
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
1 e) G7 X( e* e5 H' u/ ]8 kand drive the interrupt pad with an Boolean <OR> condition.
( F9 U8 g. w: H/ F7 R4 |, ?, t3.2中斷設(shè)置
* `$ i6 L* y9 G! a0 L" S* J% ]. ~5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（ Boolean <OR> condition）驅(qū)動中斷緩沖器。
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Interrupt generations may be disturbed by changes of EEPROM, image or other control bits ; L- q$ o2 H: q( e$ r
because some of these bits influence the interrupt calculation. As a consequence, no write 4 w' U/ ?1 K# p* G- m
sequence should occur when microprocessor is triggered by interrupt or the interrupt should be
. X' t! ^( [ q1 v+ c- P& bdeactivated on the microprocessor side when write sequences are operated. & J+ m/ _4 D8 h* C# _! J
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)。/ _1 [9 i) e8 v& L" s o
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Interrupt criteria are using digital code coming from digital filter output. As a consequence all
7 P, J9 W+ P; N1 Kthresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration
+ i. g% o' q8 C R" gand low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers 1 w0 A8 L( f; V8 B0 x
corresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%),
. M; q7 C( n& rthus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert
7 L. s0 g7 ?6 k4 l' ^5 rdetection are proportional to bandwidth settings (section 3.1.3). 2 e; y" b1 X6 X$ Z/ d
中斷準(zhǔn)則使用的數(shù)字代碼來自數(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是絕對值（ HG_dur和LG_dur寄存器的一個(gè)最小可分辨信號（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 ） G) g, }9 I' t) s# [
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0 \5 Y5 v# ~+ c6 ?" ~2 U3 F這是本人接的一個(gè)翻譯活,不算什么機(jī)密,共40頁,但是還沒翻完,先看十頁吧.發(fā)出來就是讓大家看看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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發(fā)表于 2009-2-15 21:10:59
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在此謝過老兄啦。5 y5 X6 a- b& z) |; x