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参数资料
| 型号： | LIS331DL |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | MOTION SENSOR, PQCC16 |
| 封装： | 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, LGA-16 |
| 文件页数： | 13/42页 |
| 文件大小： | 643K |
| 代理商： | LIS331DL |
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Digital interfaces
LIS331DL
20/42
Data are transmitted in byte format (DATA). Each data transfer contains 8 bits. The number
of bytes transferred per transfer is unlimited. Data is transferred with the Most Significant bit
(MSb) first. If a receiver can’t receive another complete byte of data until it has performed
some other function, it can hold the clock line, SCL LOW to force the transmitter into a wait
state. Data transfer only continues when the receiver is ready for another byte and releases
the data line. If a slave receiver doesn’t acknowledge the slave address (i.e. it is not able to
receive because it is performing some real time function) the data line must be left HIGH by
the slave. The Master can then abort the transfer. A LOW to HIGH transition on the SDA line
while the SCL line is HIGH is defined as a STOP condition. Each data transfer must be
terminated by the generation of a STOP (SP) condition.
In order to read multiple bytes, it is necessary to assert the most significant bit of the sub-
address field. In other words, SUB(7) must be equal to 1 while SUB(6-0) represents the
address of first register to be read.
In the presented communication format MAK is Master Acknowledge and NMAK is No
Master Acknowledge.
5.2
SPI bus interface
The LIS331DL SPI is a bus slave. The SPI allows to write and read the registers of the
device.
The Serial Interface interacts with the outside world with 4 wires: CS, SPC, SDI and SDO.
Figure 6.
Read & write protocol
CS is the Serial Port Enable and it is controlled by the SPI master. It goes low at the start of
the transmission and goes back high at the end. SPC is the Serial Port Clock and it is
controlled by the SPI master. It is stopped high when CS is high (no transmission). SDI and
SDO are respectively the Serial Port Data Input and Output. Those lines are driven at the
falling edge of SPC and should be captured at the rising edge of SPC.
Table 13.
Transfer when Master is receiving (reading) one byte of data from slave
Master
ST
SAD + W
SUB
SR
SAD + R
NMAK
SP
Slave
SAK
DATA
Table 14.
Transfer when Master is receiving (reading) multiple bytes of data from slave
Master
ST SAD+W
SUB
SR SAD+R
MAK
NMAK
SP
Slave
SAK
DATA
CS
SPC
SDI
SDO
RW
AD5 AD4 AD3 AD2 AD1 AD0
DI7DI6 DI5DI4 DI3DI2 DI1DI0
DO7DO6 DO5DO4 DO3DO2 DO1DO0
MS
相关PDF资料 |
PDF描述 |
|---|---|
| LIS331DLTR | MOTION SENSOR, PQCC16 |
| LIS331HH | SPECIALTY ANALOG CIRCUIT, PBCC16 |
| LIS332ARTR | SPECIALTY ANALOG CIRCUIT, PBGA16 |
| LIS332AX | SPECIALTY ANALOG CIRCUIT, PBGA16 |
| LIS33DE | SPECIALTY ANALOG CIRCUIT, PBGA16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LIS331DL | 制造商:STMicroelectronics 功能描述:ACCELEROMETER, MEMS, 3-AXIS, DIGITAL O/P, LGA-16; MEMS Sensor Output:Digital; Measurement Axis:X, Y, Z; Acceleration Range: 2g, 8g; Supply Voltage Min:2.16V; Supply Voltage Max:3.6V; Sensor Case Style:LGA; No. of Pins:16 ;RoHS Compliant: No |
| LIS331DL_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:MEMS motion sensor 3-axis - 【2g/【8g smart digital output -nano-accelerometer |
| LIS331DLF | 功能描述:加速计 - 板上安装 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR 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 |
| LIS331DLFTR | 功能描述:加速计 - 板上安装 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR 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 |
| LIS331DLH | 功能描述:加速计 - 板上安装 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR 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 |
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