參數(shù)資料
型號: VS6724
廠商: 意法半導(dǎo)體
英文描述: 2 Megapixel single-chip camera module
中文描述: 兩百萬像素的單芯片相機(jī)模塊
文件頁數(shù): 24/118頁
文件大?。?/td> 1200K
代理商: VS6724
Functional description
VS6724
24/118
2.7.1
Operational mode control
The microprocessor allows high level control of the modes in which the VS6724 can
operate, this avoids the need for the host to be concerned with the complexity of controlling
the timing or power management during mode changes.
Figure 10. State machine at power -up and user mode transitions
The power down mode is entered and exited by driving the hardware CE signal. Transitions
between all other modes are initiated by I2C transactions from the host system or
automatically after time-outs.
Supplies Off
Standby
-
Power-Down
CE pin LOW
CE pin
HIGH
Pause Mode
Supplies
turned-off
Supplies
turned-on
& CE pin LOW
Supplies
turned-off
1
Stop Mode
Run Mode
State Machine at power-up
I
2
C controlled user mode transitions
Uninitialised
Flashgun
Note; Depending on the snapshot
exit transition settings the device will
revert to RUN or PAUSE state
automatically after snapshot
It is possible to enter any of
the user modes direct from the
uninitialised state via an I2C
command
System state changes
Host initiated state
changes
Snapshot
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