|
Datasheet& ^' s- ?" T2 G
數(shù)據(jù)表 8 c4 `3 B" ]( D) J" u
Bosch Sensortec2 f% [7 c( a1 d& [! n0 {& X
博世傳感器9 S! a# u" Z2 F! [/ R, J/ e
SMB380 型
o9 |4 o8 W0 UThree-axis-accelerometer2 u% {! }- b# G8 \4 {+ Y9 M. v& h
三軸加速度計(jì)(陀螺儀,數(shù)字信號輸出)
/ M3 h! M& N1 J- p9 ~& b, E! R; I這款陀螺儀是民用品中比較流行的,體積2*8*10mm) Q3 I8 a! \# \7 w: w% N5 U" C
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:% ~1 N& a& ~3 @, T
(............
/ [: T, M# r" {* K) t3.2 INTERRUPT SETTINGS & ?0 r- A+ k% J; x5 z( m
Five different types of interrupts can be programmed. When the corresponding criterion & i$ P0 b0 c$ H; {+ x. {, M
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined : H0 _4 U1 F1 M
and drive the interrupt pad with an Boolean <OR> condition. * z# L2 }/ m: _- O& j p
3.2中斷設(shè)置
1 Q& I T8 b! u/ p5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,。' I" _' k" b6 R8 x8 O# n
* {- s8 k( _8 Y4 ?0 Q/ H7 J0 }
Interrupt generations may be disturbed by changes of EEPROM, image or other control bits 8 Z6 P! ]+ A) M$ q/ w7 `7 Z" |4 ~
because some of these bits influence the interrupt calculation. As a consequence, no write
8 c$ L- L5 u- R+ `. zsequence should occur when microprocessor is triggered by interrupt or the interrupt should be
% T [( @) }2 b5 Y. f5 ^( `+ y' F1 vdeactivated on the microprocessor side when write sequences are operated.
& p; W" l( D, o( n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),。
6 L" @: O0 H. G* U' Y1 K5 |
1 i' p! S( k! ?5 N' H+ tInterrupt criteria are using digital code coming from digital filter output. As a consequence all
9 m! J- V4 b3 L7 e2 N$ o7 `thresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration
% R& _4 N$ |7 X( j9 O% H( hand low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers ! A& I5 a/ p+ [% z5 Y7 K5 ^1 S' x
corresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%), 0 E+ Q- n: K) I1 J" _ [
thus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert
1 k1 Z2 |6 K1 l( Cdetection are proportional to bandwidth settings (section 3.1.3).
9 M$ J' c7 ~9 O% Z' a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 ). e& Z: m) n8 l& o# R2 T- Y
)+ ]+ l! K+ g! G" |5 E5 a# P
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!!! |
本帖子中包含更多資源
您需要 登錄 才可以下載或查看,,沒有帳號,?注冊會員
x
|