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Datasheet
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Bosch Sensortec
( C$ @1 f0 [7 q3 j6 X博世傳感器
# ?; s5 ~: y; ^/ sSMB380 型% ]; J v! u; i2 A& B/ C4 n
Three-axis-accelerometer
5 l3 Y8 O0 {* K* ?4 e5 v3 z5 A三軸加速度計(jì)(陀螺儀,數(shù)字信號(hào)輸出)( Y3 C5 {, Z6 J3 W# P
這款陀螺儀是民用品中比較流行的,體積2*8*10mm
1 A- q* k/ V# f/ u3 B' F4 V采用可編程的控制方法,3.3-5v的電源輸入.其他的見(jiàn)數(shù)據(jù)表吧:( i; H$ c4 Z# r
(............ ; B Y- _% r9 H6 ? b# A* s& [
3.2 INTERRUPT SETTINGS
$ }6 D% o3 ~- a0 A9 b+ RFive different types of interrupts can be programmed. When the corresponding criterion 7 D' |) w* L, N. n: W
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
7 Q F$ N8 p1 J4 ^and drive the interrupt pad with an Boolean <OR> condition.
- a) h. r; H9 G4 B8 w3.2中斷設(shè)置
( |& V9 T- X* C1 Z7 S5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,。
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Interrupt generations may be disturbed by changes of EEPROM, image or other control bits / ?$ Y! t/ u( A. z8 o0 |; t
because some of these bits influence the interrupt calculation. As a consequence, no write / d5 Z+ Q; z. d+ d# T
sequence should occur when microprocessor is triggered by interrupt or the interrupt should be / _( P3 j7 G0 c5 t( z$ ]" A$ L+ i8 w
deactivated on the microprocessor side when write sequences are operated.
$ |6 K! |. A# ^" \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(xiě)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(xiě)(中斷)時(shí)間序列(write sequences)正在運(yùn)行時(shí),。
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Interrupt criteria are using digital code coming from digital filter output. As a consequence all
) M9 i- }$ y5 q5 kthresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration * Y2 {7 O U+ F6 Q
and low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers
3 }: a% I: s8 t3 _4 Q# u9 ccorresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%),
2 ]# @7 {, F1 O( l0 E+ Tthus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert
# F4 j2 t* W* R) ?9 F% E' y1 Ddetection are proportional to bandwidth settings (section 3.1.3).
; Q! j& E- K$ @" C0 q K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(kāi)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 ) n' H# w/ a/ P( L2 X
)
[, f7 f" v n, O+ x+ Y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(méi)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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