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参数资料
| 型号： | MMA6527KWR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 49/56页 |
| 文件大小： | 0K |
| 描述： | SENSOR XY-AXIS 120/120G |
| 产品变化通告： | Reel Size Change 15/Dec/2011 |
| 标准包装： | 1,000 |
| 轴： | X，Y |
| 加速范围： | ±120g |
| 灵敏度： | 16 LSB/g |
| 电源电压： | 3.13 V ~ 5.25 V |
| 输出类型： | SPI |
| 接口： | SPI |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-QFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（6x6） |
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4.4
Register Access Operations
Two types of register access operations are supported; register write, and register read. Register access operations are initi-
ated when the acceleration bit (A) of the command message is set to a logic ‘0’. The operation to be performed is indicated by
the Access Selection bit (AX) of the command message.
Access Selection Bit (AX)
0
1
Operation
Register Read
Register Write
Register Access operations include a parity bit (P). Odd parity is employed. The number of logic ‘1’ bits in the Register Access
operation must be an odd number.
4.4.1
Register Write Request
During a register write request, bits 12 through 8 contain a five-bit address, and bits 7 through 0 contain the data value to be
written. Writable registers are defined in Table 3 .
The response to a register write operation is shown in Table 30 . The response is transmitted on the next SPI message if and
only if all of the following conditions are met:
? No SPI Error is detected (Reference Section 4.5.1 )
? No MISO Error is detected (Reference Section 4.5.2 )
? The ENDINIT bit is cleared (Reference Section 3.1.6.3 )
– This applies to all registers with the exception of the DEVCTL register (Only Bits 6 and 7 can be modified)
? No Invalid Register Request is detected (Reference Section 4.5.3.2 )
If the above conditions are met, the device responds to the register write request as shown in Table 30 . Otherwise, the device
Responds as specified in Section 4.5 .
Register write operations do not occur internally until the transfer during which they are requested has been completed. In the
event that a SPI Error is detected during a register write transfer, the write operation is not completed.
4.4.2
Register Read Request
During a register read request, bits 12 through 8 contain the five-bit address for the register to be read. Bits 7 through 0 must
be logic ‘0’. Readable registers are defined in Table 3 .
The response to a register read operation is shown in Table 30 . The response is transmitted on the next SPI message if and
only if all of the following conditions are met:
? No SPI Error is detected (Reference Section 4.5.1 )
? No MISO Error is detected (Reference Section 4.5.2 )
? No Invalid Register Request is detected (Reference Section 4.5.3.2 )
If the above conditions are met, the device responds to the register read request as shown in Table 30 . Otherwise, the device
responds as specified in Section 4.5 .
MMA65xx
Sensor
Freescale Semiconductor, Inc.
49
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MMA6555KW | 功能描述:加速计 - 板上安装 X-AXIS 100G 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 |
| MMA6555KWR2 | 功能描述:加速计 - 板上安装 X-AXIS 100G 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 |
| MMA6556KW | 功能描述:加速计 - 板上安装 X-AXIS 120G 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 |
| MMA6556KWR2 | 功能描述:加速计 - 板上安装 X-AXIS 120G 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 |
| MMA65XX | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Dual-Axis SPI Inertial Sensor |
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