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PDF STK8313 Data sheet ( Hoja de datos )
| Número de pieza | STK8313 | |
| Descripción | Digital Output 3-axis MEMS Accelerometer | |
| Fabricantes | Sensortek | |
| Logotipo |  |
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STK8313
Digital Output 3-axis MEMS Accelerometer
Preliminary Datasheet
Version - 0.9.7
2012/12/13
1 page  
STK8313 REV 0.9.7
4. ELECTRICAL SPECIFICATIONS
TA = 25°C, VS = 2.8 V, VDD I/O = 2.8 V, acceleration = 0 g, CS = CI/O = 10 μF and 0.1 μF
Parameter
Test Conditions
POWER SUPPLY
Operating Voltage Range (VS)
Interface Voltage Range (VDD I/O)
Current consumption in active mode
Current consumption in auto-wakeup mode1 ODR = 25Hz
ODR = 3.125Hz
Current consumption in standby mode
Digital high level input voltage (VIH)
Digital low level input voltage (VIL)
High level output voltage (VOH)1
Low level output voltage (VOL)1
OUTPUT DATA RATE AND BANDWIDTH
Each axis
Output data rate (ODR)
in active mode
in auto-wakeup mode
Bandwidth (BW)
1. IOL = 10mA, IOH = -4mA
Min Typ Max Unit
2.4 2.8
1.7
149
122
57
0.7 x VDD I/O
0.8 x VDD I/O
3.6 V
3.6 V
μA
μA
1
0.3 x VDD I/O
0.2 x VDD I/O
μA
V
V
V
V
3.125
3.125
ODR/2
400
25
Hz
Hz
Hz
www.sensortek.com.tw
4 @copyright 2013 Sensortek Technology Corp.
5 Page 
STK8313 REV 0.9.7
9. REGISTER DEFINATION
Address
$00
$01
$02
$03
$04
$05
$06
$07
$08
$09
$0A
$0B
$0C
$0D
$0E
$0F
Name
XOUT1
XOUT2
YOUT1
YOUT2
ZOUT1
ZOUT2
TILT
SRST
INTSU
MODE
SR
PDET
-
OFSX
Definition
12 bit output X MSBs
12 bit output X LSBs
12 bit output Y MSBs
12 bit output Y LSBs
12 bit output Z MSBs
12 bit output Z LSBs
Tilt Status
Sampling Rate Status
Interrupt Setup
Mode
Auto-Wake/Sleep and
Portrait/Landscape
samples
per seconds and
Debounce
Filter
Tap Detection
Reserved
X-Axis offset
Bit 7
XOUT[11]
XOUT[3]
YOUT[11]
YOUT[3]
ZOUT[11]
ZOUT[3]
Shake
0
SHINTX
IAH
FILT[2]
ZDA
-
OFSX[7]
Bit 6
XOUT[10]
XOUT[2]
YOUT[10]
YOUT[2]
ZOUT[10]
ZOUT[2]
Alert
0
SHINTY
IPP
FILT[1]
YDA
-
OFSX[6]
Bit 5
XOUT[9]
XOUT[1]
YOUT[9]
YOUT[1]
ZOUT[9]
ZOUT[1]
Tap
0
SHINTZ
Reserved
Bit 4
XOUT[8]
XOUT[0]
YOUT[8]
YOUT[0]
ZOUT[8]
ZOUT[0]
PoLa[2]
0
GINT
Reserved
Bit 3
XOUT[7]
-
YOUT[7]
-
ZOUT[7]
-
PoLa[1]
FFAL
Reserved
Reserved
Bit 2
XOUT[6]
-
YOUT[6]
-
ZOUT[6]
-
PoLa[0]
DTap
PDINT
TON
Bit 1
XOUT[5]
-
YOUT[5]
-
ZOUT[5]
-
BaFro[1]
Reserved
PLINT
Reserved
FILT[0]
AWSR[1]
AWSR[0]
AMSR[2]
AMSR[1]
XDA
-
OFSX[5]
PDTH[4]
-
OFSX[4]
PDTH[3]
-
OFSX[3]
PDTH[2]
-
OFSX[2]
PDTH[1]
-
OFSX[1]
$10 OFSY
$11 OFSZ
$12 PLAT
Y-Axis offset
Z-Axis offset
Tap Latency
OFSY[7]
OFSZ[7]
PLAT[7]
OFSY[6]
OFSZ[6]
PLAT[6]
OFSY[5]
OFSZ[5]
PLAT[5]
OFSY[4]
OFSZ[4]
PLAT[4]
OFSY[3]
OFSZ[3]
PLAT[3]
OFSY[2]
OFSZ[2]
PLAT[2]
OFSY[1]
OFSZ[1]
PLAT[1]
$13 PWIN
Tap Window
PWIN[7]
PWIN[6]
PWIN[5]
PWIN[4]
PWIN[3]
PWIN[2]
PWIN[1]
$14
FTH
Free-Fall Threshold
FTH[7]
FTH[6]
FTH[5]
FTH[4]
FTH[3]
FTH[2]
FTH[1]
$15 FTM
Free-Fall Time
Dynamic Range
$16 STH Setup and Shake
Threshold
$17
ISTMP
Interrupt Setup and
Map
$18 INTMAP
Interrupt Map
FTM[7]
RNG[1]
MFFINT
MSHINTX
FTM[6]
RNG[0]
MDPINT
MSHINTY
FTM[5]
-
-
MSHINTZ
FTM[4]
-
-
MGINT
FTM[3]
-
AOI
MASINT
FTM[2]
STH[2]
-
MPDINT
FTM[1]
STH[1]
FFINT
MPLINT
$20 SWRST
Software Rest
SWRST[7] SWRST[6] SWRST[5] SWRST[4] SWRST[3] SWRST[2] SWRST[1]
NOTE: To write to the registers the MODE bit in the MODE (0x0A) register must be set to 0, placing the device in Standby Mode.
Bit 0
XOUT[4]
-
YOUT[4]
-
ZOUT[4]
-
BaFro[0]
AMSRS
FBINT
MODE
AMSR[0]
PDTH[0]
-
OFSX[0]
OFSY[0]
OFSZ[0]
PLAT[0]
PWIN[0]
FTH[0]
FTM[0]
STH[0]
DPINT
MFBINT
SWRST[0]
$00: 12-bits MSBs output value X (Read Only when not in Test Mode)
XOUT1 — X MSBs Output
D7 D6 D5 D4 D3 D2 D1 D0
XOUT[11]
XOUT[10]
XOUT[9]
XOUT[8]
XOUT[7]
XOUT[6]
XOUT[5] XOUT[4]
0 0 0 0 0 0 00
This is the MSBs of X-axis output which is signed byte 12-bit 2’s complement data with allowable range of +2047 to -2048.
XOUT[11] is 0 if the g direction is positive, 1 if the g direction is negative.
$01: 12-bits LSBs output value X (Read Only when not in Test Mode)
XOUT2 — X LSBs Output
D7 D6 D5 D4 D3 D2 D1
XOUT[3]
XOUT[2]
XOUT[1]
XOUT[0]
-
--
0 0 0 0 0 00
This is the LSBs of X-axis output which is signed byte 12-bit 2’s complement data with allowable range of +2047 to -2048.
D0
-
0
$02: 12-bits MSBs output value Y (Read Only when not in Test Mode)
YOUT1 — Y MSBs Output
D7 D6 D5 D4 D3 D2 D1 D0
YOUT[11]
YOUT[10]
YOUT[9]
YOUT[8]
YOUT[7]
YOUT[6]
YOUT[5] YOUT[4]
0 0 0 0 0 0 00
This is the MSBs of Y-axis output which is signed byte 12-bit 2’s complement data with allowable range of +2047 to -2048.
YOUT[11] is 0 if the g direction is positive, 1 if the g direction is negative.
www.sensortek.com.tw
10 @copyright 2013 Sensortek Technology Corp.
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet STK8313.PDF ] | |
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