0x1F TRANSIENT_THS Register
The Transient Threshold register sets the threshold limit for the detection of the transient acceleration. The value in the
TRANSIENT_THS register corresponds to a g value which is compared against the values of High Pass Filtered Data. If the High
Pass Filtered acceleration value exceeds the threshold limit, an event flag is raised and the interrupt is generated if enabled.
0x1F TRANSIENT_THS Register (Read/Write)
Bit 7
DBCNTM
Bit 6
THS6
Bit 5
THS5
Bit 4
THS4
Bit 3
THS3
Bit 2
THS2
Bit 1
THS1
Bit 0
THS0
Table 34. TRANSIENT_THS Description
DBCNTM
THS[6:0]
Debounce counter mode selection. Default value: 0. 0: increments or decrements debounce; 1: increments or clears counter.
Transient Threshold: Default value: 000_0000.
The threshold THS[6:0] is a 7-bit unsigned number, 0.063g/LSB. The maximum threshold is 8g. Even if the part is set to full
scale at 2g or 4g this function will still operate up to 8g. If the Low Noise bit is set in Register 0x2A, the maximum threshold to be
reached is 4g.
0x20 TRANSIENT_COUNT
The TRANSIENT_COUNT sets the minimum number of debounce counts continuously matching the condition where the
unsigned value of high pass filtered data is greater than the user specified value of TRANSIENT_THS.
0x20 TRANSIENT_COUNT Register (Read/Write)
Bit 7
D7
Bit 6
D6
Bit 5
D5
Bit 4
D4
Bit 3
D3
Bit 2
D2
Bit 1
D1
Bit 0
D0
Table 35. TRANSIENT_COUNT Description
D[7:0]
Count value. Default value: 0000_0000.
The time step for the transient detection debounce counter is set by the value of the system ODR and the Oversampling mode.
Table 36. TRANSIENT_COUNT Relationship with the ODR
ODR (Hz)
Normal
Max Time Range (s)
LPLN HighRes
LP
Normal
Time Step (ms)
LPLN HighRes
LP
800
400
200
100
50
12.5
6.25
1.56
0.319
0.638
1.28
2.55
5.1
5.1
5.1
5.1
0.319
0.638
1.28
2.55
5.1
20.4
20.4
20.4
0.319
0.638
0.638
0.638
0.638
0.638
0.638
0.638
0.319
0.638
1.28
2.55
5.1
20.4
40.8
40.8
1.25
2.5
5
10
20
20
20
20
1.25
2.5
5
10
20
80
80
80
1.25
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.25
2.5
5
10
20
80
160
160
MMA8453Q
Sensors
Freescale Semiconductor, Inc.
31
相关PDF资料
MMBF0201NLT1 MOSFET N-CH 20V 300MA SOT-23
MMBF170-7 MOSFET N-CH 60V 500MA SOT23-3
MMBF170LT1 MOSFET N-CH 60V 500MA SOT-23
MMBF170 MOSFET N-CH 60V 500MA SOT-23
MMBF2201NT1 MOSFET N-CH 20V 300MA SOT-323
MMBF2202PT1 MOSFET P-CH 20V 300MA SOT-323
MMDF1N05ER2G MOSFET N-CHAN DUAL 2A 50V 8SOIC
MMDF2C03HDR2G MOSFET N/P-CHAN 2A 30V 8SOIC
相关代理商/技术参数
MMA8453QT 功能描述:加速计 - 板上安装 LOW G 3-AXIS DGTL ACCEL RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8491Q 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8491Q 3-Axis Multifunction Digital Accelerometer
MMA8491QR1 功能描述:加速计 - 板上安装 3-Axis Low Voltage Discrete Tilt Sensor RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8491QT 功能描述:加速计 - 板上安装 3-Axis Low Voltage Discrete Tilt Sensor RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8652FC 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8652FC 3-Axis, 12-bit Digital Accelerometer
MMA8652FCR1 功能描述:加速计 - 板上安装 3-axis 2g/4g/8g 12 bit RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8653FC 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8653FC 3-Axis, 10-bit Digital Accelerometer
MMA8653FCR1 功能描述:加速计 - 板上安装 3-axis 2g/4g/8g 10 bit RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C