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参数资料
| 型号： | EVAL-KXR94-2353 |
| 厂商： | Kionix Inc |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR KXR94-2353 |
| 应用说明： | Sensor Handling, Mounting, Soldering |
| 设计资源： | EVAL-KXR94 Schematic |
| 标准包装： | 1 |
| 传感器类型： | 加速计，3 轴 |
| 传感范围： | ±2g |
| 接口： | SPI |
| 灵敏度： | 819 计数/g |
| 电源电压： | 2.5 V ~ 5.25 V |
| 已供物品： | 板 |
| 已用 IC / 零件： | KXR94-2353 |
| 其它名称： | 1191-1032 |
PART NUMBER:
Axis Conversion Command
± 2g Tri-axis Digital
Accelerometer Specifications
KXR94-2353
Rev. 3
Nov-2010
SDI
A7 A6 A5 A4 A3 A2 A1 A0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MSB
MSB
SDO
X
X
X
X
X
X
X
X
D11 D10 D9 D8 D7 D6 D5 D4
D3 D2 D1 D0 X
X
X
X
X = Don’t Care Bits
Conversion Read Back Data
Figure 5 Register Diagram for 12-Bit ADC Read Operation
SPI Commands
The accelerometer SPI interface uses an 8-bit command register to carry out all of its functions. The
commands are given in Table 7.
1 st byte (SDI)
Description
Convert X axis
Convert Y axis
Convert Z axis
Read Control Register
Write Control Register
Convert Aux In
(Command)
0x00
0x01
0x02
0x03
0x04
0x07
Table 6 Command Register Bit Utilization
Convert X axis (0x00 or 0000 0000) samples the X-axis sensor data held on the filter cap,
digitizes it and returns it as 12-bits through SDO.
Convert Y axis (0x01 or 0000 0001) samples the Y-axis sensor data held on the filter cap,
digitizes it and returns it as 12-bits through SDO.
Convert Z axis (0x02 or 0000 0010) samples the Z-axis sensor data held on the filter cap,
digitizes it and returns it as 12-bits through SDO.
Read Control Register (0x03 or 0000 0011) reads back the current contents of the control
register and returns it as 8-bits through SDO.
Write Control Register (0x04 or 0000 0100) is used to initiate a write to the control register
and set the operational mode of the accelerometer. The first byte initiates the write to the
register, and the second byte specifies the operational mode.
36 Thornwood Dr. – Ithaca, NY 14850
tel: 607-257-1080 – fax:607-257-1146
www.kionix.com - info@kionix.com
? 2010 Kionix – All Rights Reserved
352-1783-1011041430
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