參數(shù)資料
型號(hào)： LIS331DLHTR
廠商： STMICROELECTRONICS
元件分類(lèi)： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PBCC16
封裝： 3 X 3 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-16
文件頁(yè)數(shù)： 11/38頁(yè)
文件大小： 622K
代理商： LIS331DLHTR
LIS331DLH
Digital interfaces
19/38
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 LIS331DLH 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 and 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
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
DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
MS
相關(guān)PDF資料
PDF描述
LIS331DLMTR SPECIALTY ANALOG CIRCUIT, PBCC16
LIS331DL MOTION SENSOR, PQCC16
LIS331DLTR MOTION SENSOR, PQCC16
LIS331HH SPECIALTY ANALOG CIRCUIT, PBCC16
LIS332ARTR SPECIALTY ANALOG CIRCUIT, PBGA16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LIS331DLM 功能描述:加速計(jì) - 板上安裝 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類(lèi)型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C
LIS331DLMTR 功能描述:加速計(jì) - 板上安裝 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類(lèi)型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C
LIS331DLTR 功能描述:加速計(jì) - 板上安裝 MEMS MOTION SENSOR 3-AXIS RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類(lèi)型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C
LIS331HH 功能描述:加速計(jì) - 板上安裝 MEMS Digital Sensor 3-axes Nano RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類(lèi)型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C
LIS331HHTR 功能描述:加速計(jì) - 板上安裝 MEMS digital output L-Power Motion Snsr RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類(lèi)型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C
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