|
Datasheet7 a$ [: l* f9 |; Z
數(shù)據(jù)表
8 \( _) l9 R" KBosch Sensortec( l3 G- A$ F; X# {5 Y
博世傳感器* i; a0 C* ~# F1 ]2 F2 ^
SMB380 型6 c% B8 C( W1 Q) W% Q4 `, U
Three-axis-accelerometer
; b {9 {1 j) \1 f三軸加速度計(陀螺儀,數(shù)字信號輸出)
* R: z# X2 H9 w, s$ F: F# u6 R, E這款陀螺儀是民用品中比較流行的,體積2*8*10mm ~ M. o6 _5 n$ P6 r
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:. r) [# E5 K7 p3 L* ? k
(............
7 }! D. {* h0 \. W3 ^* ~! ?3.2 INTERRUPT SETTINGS 6 z w7 }* @4 I) L3 B {
Five different types of interrupts can be programmed. When the corresponding criterion ( T5 _3 F( G8 C, i
becomes valid, the interrupt pin is triggered to a high level. All interrupt criteria are combined
' g/ @+ n$ Q M) X3 V# {2 E7 J+ Sand drive the interrupt pad with an Boolean <OR> condition. 4 g4 Q% m6 n* U. @0 e1 ~7 _
3.2中斷設置
# ~& }! u* a9 U, h5種不同類型的可編程中斷。當相應的(中斷)準則有效時,中斷引腳被一個高電平觸發(fā)。所有的中斷準則都是相結合的(combined ),而且可以用布爾<OR>條件來( Boolean <OR> condition)驅動中斷緩沖器。8 t u) c' L. ^2 w* o) Q
7 i; M# A5 _1 Y5 h6 F) ?Interrupt generations may be disturbed by changes of EEPROM, image or other control bits 7 X0 K/ x/ x% i3 s4 ] W
because some of these bits influence the interrupt calculation. As a consequence, no write
. u/ _) A1 @7 Q; S5 M8 qsequence should occur when microprocessor is triggered by interrupt or the interrupt should be & h, f$ R9 f& K" g5 N+ E
deactivated on the microprocessor side when write sequences are operated.
1 a$ ~+ O P: P7 S( d- S8 o: o+ {/ t中斷的產(chǎn)生可能被EEPROM ,image或其他控制位的改變所改變.因為其中一些控制位影響中斷計算。因此,未寫的(中斷)時間序列應該在微處理器被其他中斷觸發(fā)(生效)前發(fā)生,或者微處理器應該屏蔽(后來發(fā)生的)中斷當已寫(中斷)時間序列(write sequences)正在運行時。% E( G! V q5 Z5 B3 i
* b) E! ]$ ]# p6 w& m% M
Interrupt criteria are using digital code coming from digital filter output. As a consequence all
D- ~ y3 \# n/ h! F' g6 D+ gthresholds are scaled with range selection (section 3.1.3.2). Timings used for high acceleration - \4 ]" |/ Y9 l* U/ n3 H# h7 Z
and low acceleration debouncing are absolute values (1 LSB of HG_dur and LG_dur registers 7 p6 e/ J2 _" C' \' P! F
corresponds to 1 millisecond, timiming accuracy is proportional to oscillator accuracy = +/-10%),
: k8 \3 g% M* T5 mthus it does not depend on selected bandwidth. Timings used for any motion interrupt and alert 2 I! S( Q4 e4 c4 X h& V# v
detection are proportional to bandwidth settings (section 3.1.3).
5 b$ x. w: k2 I/ b0 J% R U中斷準則使用的數(shù)字代碼來自數(shù)字濾波器輸出。因此所有閾值的設置都由量程選擇開關來界定(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寄存器的一個最小可分辨信號(correspond to)相當于1毫秒, timiming的準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正比于帶寬設置(section 3.1.3 )' a3 Q+ N. D: `. o& @2 Q( z/ }9 y
)7 j8 |$ j5 t( \0 ?
這是本人接的一個翻譯活,不算什么機密,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
|