參數(shù)資料
型號: LIS35DE
廠商: STMICROELECTRONICS
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA14
封裝: 3 X 5 MM, 0.92 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, LGA-14
文件頁數(shù): 18/39頁
文件大小: 650K
代理商: LIS35DE
LIS35DE
Register description
Doc ID 15594 Rev 1
25/39
7
Register description
The device contains a set of registers which are used to control its behavior and to retrieve
acceleration data. The registers address, made of 7 bits, is used to identify them and to
write the data through serial interface.
7.1
CTRL_REG1 (20h)
DR bit allows to select the data rate at which acceleration samples are produced.
The default value is 0 which corresponds to a data-rate of 100Hz. By changing the content
of DR to “1” the selected data-rate will be set equal to 400Hz.
PD bit allows to turn on the turn the device out of power-down mode. The device is in power-
down mode when PD = “0” (default value after boot). The device is in normal mode when PD
is set to 1.
Zen bit enables the generation of Data Ready signal for Z-axis measurement channel when
set to 1. The default value is 1.
Yen bit enables the generation of Data Ready signal for Y-axis measurement channel when
set to 1. The default value is 1.
Xen bit enables the generation of Data Ready signal for X-axis measurement channel when
set to 1. The default value is 1.
Table 17.
CTRL_REG1 (20h) register
DR
PD
FS
0(1)
1.
CTRL_REG1[4:3] value is loaded at boot, ‘0’ value must not be changed.
Zen
Yen
Xen
Table 18.
CTRL_REG1 (20h) register description
DR
Data rate selection. Default value: 0
(0: 100 Hz output data rate; 1: 400 Hz output data rate)
PD
Power Down Control. Default value: 0
(0: power down mode; 1: active mode)
FS
Full Scale selection. Default value: 0
(refer to
Table 2 for typical full scale value)
Zen
Z axis enable. Default value: 1
(0: Z axis disabled; 1: Z axis enabled)
Yen
Y axis enable. Default value: 1
(0: Y axis disabled; 1: Y axis enabled)
Xen
X axis enable. Default value: 1
(0: X axis disabled; 1: X axis enabled)
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