L3GD20 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

比赛名单

L3GD20

MEMS motion sensor: three-axis digital output gyroscope

STMicroelectronics 

Block diagram and pin description

L3GD20

Table 2. Pin description

Pin#

Name

Function

1

Vdd_IO(1) Power supply for I/O pins

SCL

I2C serial clock (SCL)

2

SPC

SPI serial port clock (SPC)

SDA

I2C serial data (SDA)

3

SDI

SPI serial data input (SDI)

SDO

3-wire interface serial data output (SDO)

SDO

SPI serial data output (SDO)

4

SA0

I2C less significant bit of the device address (SA0)

5

CS

I2C/SPI mode selection (1: SPI idle mode / I2C communication

enabled; 0: SPI communication mode / I2C disabled)

6

DRDY/INT2 Data ready/FIFO interrupt (Watermark/Overrun/Empty)

7

INT1

Programmable interrupt

8

Reserved Connect to GND

9

Reserved Connect to GND

10

Reserved Connect to GND

11

Reserved Connect to GND

12

Reserved Connect to GND

13

GND

0 V supply

14

Reserved Connect to GND with ceramic capacitor(2)

15

Reserved Connect to Vdd

16

Vdd(3)

Power supply

1. 100 nF filter capacitor recommended.

2. 1 nF min value must be guaranteed under 11 V bias condition.

3. 100 nF plus 10 µF capacitors recommended.

8/44

Doc ID 022116 Rev 1

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