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參數(shù)資料
| 型號： | LIS3DHTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA16 |
| 封裝： | 3 X 3 MM, 1 MM HEIGHT, GREEN, PLASTIC, LGA-16 |
| 文件頁數(shù)： | 13/42頁 |
| 文件大?。?/td> | 689K |
| 代理商： | LIS3DHTR |
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Digital interfaces
LIS3DH
20/42
Doc ID 17530 Rev 1
6
Digital interfaces
The registers embedded inside the LIS3DH may be accessed through both the I2C and SPI
serial interfaces. The latter may be SW configured to operate either in 3-wire or 4-wire
interface mode.
The serial interfaces are mapped onto the same pads. To select/exploit the I2C interface, CS
line must be tied high (i.e. connected to Vdd_IO).
6.1
I2C serial interface
The LIS3DH I2C is a bus slave. The I2C is employed to write data into registers whose
content can also be read back.
The relevant I2C terminology is given in the table below.
There are two signals associated with the I2C bus: the serial clock line (SCL) and the Serial
DAta line (SDA). The latter is a bidirectional line used for sending and receiving the data
to/from the interface. Both the lines must be connected to Vdd_IO through external pull-up
resistor. When the bus is free both the lines are high.
The I2C interface is compliant with fast mode (400 kHz) I2C standards as well as with the
normal mode.
Table 10.
Serial interface pin description
Pin name
Pin description
CS
SPI enable
I2C/SPI mode selection (1: I2C mode; 0: SPI enabled)
SCL
SPC
I2C serial clock (SCL)
SPI serial port clock (SPC)
SDA
SDI
SDO
I2C serial data (SDA)
SPI serial data input (SDI)
3-wire interface serial data output (SDO)
SA0
SDO
I2C less significant bit of the device address (SA0)
SPI serial data output (SDO)
Table 11.
Serial interface pin description
Term
Description
Transmitter
The device which sends data to the bus
Receiver
The device which receives data from the bus
Master
The device which initiates a transfer, generates clock signals and terminates a
transfer
Slave
The device addressed by the master
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LIS3DSH | 功能描述:加速計 - 板上安裝 MEMS 3-Axis Nano 1.71 to 3.6V 1.6kHz RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型: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 |
| LIS3DSHTR | 功能描述:加速計 - 板上安裝 MEMS 3-Axis Nano 1.71 to 3.6V 1.6kHz RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型: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 |
| LIS3L02AL | 功能描述:加速計 - 板上安裝 3-axis +/-2g Linear MEMS Intertial Sensr RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型: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 |
| LIS3L02AL | 制造商:STMicroelectronics 功能描述:ACCELEROMETER 3 AXIS LGA-8 302 |
| LIS3L02ALETR | 制造商:ST 功能描述:MEMS INERTIAL SENSOR: 3-Axis - ??2g/??6g LINEAR ACCELEROMETER |
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