Freescale Semiconductor FRDM-FXS-MULTI 데이터 시트
FXOS8700CQ
Sensors
22
Freescale Semiconductor, Inc.
6
Modes of Operation
Figure 9. FXOS8700CQ power mode transition diagram
All register contents are preserved when transitioning from Active-to-Standby mode, but some registers are reset when
transitioning from Standby-to-Active. These registers are noted in
transitioning from Standby-to-Active. These registers are noted in
. The Sleep and
Wake modes are active modes. For more information on how to use the Sleep and Wake modes and configuring the device to
transition between them, please refer to
transition between them, please refer to
or Freescale application note AN4074.
Table 14. Mode of operation description
Mode
I
2
C/SPI Bus state
VDD
VDDIO
Function description
OFF
Powered down
<1.8 V VDDIO can be > VDD
The device is powered off. All analog and digital blocks
are shutdown. I
are shutdown. I
2
C bus inhibited.
Standby
I
2
C/SPI communication with
FXOS8700CQ is possible
ON
VDDIO = High
VDD = High
Active bit is cleared
VDD = High
Active bit is cleared
Only digital blocks are enabled.
Analog subsystem is disabled. Internal clocks disabled.
Analog subsystem is disabled. Internal clocks disabled.
Active
(Wake/Sleep)
I
2
C/SPI communication with
FXOS8700CQ is possible
ON
VDDIO = High
VDD = High
Active bit is set
VDD = High
Active bit is set
All blocks are enabled (digital and analog).
Sleep
Wake
Standby
OFF
Active