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Datasheet, V: l/ e3 o2 k$ R4 R" u
數(shù)據(jù)表
- a' i f: L2 A- O4 K6 sBosch Sensortec
5 z F: `, B0 C% u: M1 a博世傳感器" l. ?; t9 T. N3 O3 D7 Q$ f! j; a
SMB380 型
4 w2 k0 z/ n2 aThree-axis-accelerometer6 {( ^* l. b- R0 d9 P
三軸加速度計(jì)(陀螺儀,數(shù)字信號(hào)輸出)
- M, m: R/ j9 G9 E2 {這款陀螺儀是民用品中比較流行的,體積2*8*10mm
4 j: R6 C- d( a8 F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:
. O: U c0 X6 i+ v! F) e(............
) ?( |7 ]4 M* }( B/ A2 r. b* o3.2 INTERRUPT SETTINGS t8 c, X6 _" |2 L9 I$ j: h
Five different types of interrupts can be programmed. When the corresponding criterion # E5 o- p1 X; a. f8 m5 D
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
- ?' Y! E2 P- P3 K T9 A. v# g8 Hand drive the interrupt pad with an Boolean <OR> condition.
" v1 W! M' e6 Z1 J5 |* c$ J3.2中斷設(shè)置
+ i- H/ w4 E# D! L6 P, D R5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(dòng)中斷緩沖器。
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Interrupt generations may be disturbed by changes of EEPROM, image or other control bits
3 I: K3 ?8 H5 a9 Y+ U2 [$ t8 K7 {because some of these bits influence the interrupt calculation. As a consequence, no write ' q- Z! Y# `! O9 J
sequence should occur when microprocessor is triggered by interrupt or the interrupt should be }/ v4 Z) M+ _( t' k) W: E
deactivated on the microprocessor side when write sequences are operated. ! L- j3 y$ i' B2 t, t+ S8 d9 m
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)。
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2 ?( J( l% \( v* S4 I- H2 Z8 JInterrupt criteria are using digital code coming from digital filter output. As a consequence all " P3 D K7 _3 Z+ D
thresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration
3 E/ i+ k) m1 d8 \7 W. Land low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers 7 M% @, R4 [3 y, K: f b1 c
corresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%), . _" J, T' ?5 y* `4 o9 ]; \+ ^2 }
thus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert ; u F: H" B. ?& _; u
detection are proportional to bandwidth settings (section 3.1.3). 6 K. i1 ~# M6 R
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(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 ）+ ]* I4 }, Y2 @. W1 I- x2 _
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# j% f1 K5 _" P3 i0 ]& K: L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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