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TCM8240MD Datasheet, PDF (23/30 Pages) Toshiba Semiconductor – 1.3 Mega pixel sensor chip
TCM8240MD Ver 1.2
OPERATING FLOW
The sensor chip supports the operating mode and the standby mode as shown in the following figure.
power management
In power off mode, the output pins are not in High-Z status.
Power off mode
AVDD
ON
OFF
OFF
DVDD
EXTCLK
ON
OFF
ON
OFF
OFF
OFF
RESET
ON
OFF
Operating
mode
IIC command
Standby in
Standby out
OFF
Standby
mode
In standby mode, the latest status of output pins is restored.
If the host sends "Lowfixed" command before sleep command,
all the output pins are set to "Low".
Powering order and timing margin are shown in the following figure.
Timing description in power sequence
AVDD
>= 0 sec
( no order reverse. Sametime is OK)
DVDD
>= 0 msec
( no order reverse. Sametime is OK)
>= 0 msec
( no order reverse. Sametime is OK)
EXTCLK
>= 0 msec
( no order reverse. Sametime is OK)
>= 0 msec
( no order reverse. Sametime is OK)
RESET
>>=1 0mmsescec
Effective data
353 msec
period for stable VCO
04/12/13
23/30