ASX340AT Datasheet, PDF (29/75 Pages) ON Semiconductor – Color CMOS NTSC/PAL Digital Image

ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor
External Signal Processing
Power Sequence
In power-up, refer to the power-up sequence in Figure 39: “Power Up Sequence,” on
page 59.
In power down, refer to Figure 40: “Power Down Sequence,” on page 60 for details.
Figure 14: Power-Up Sequence – Configuration Options Flow Chart
Power Up/ RESET
Disable Auto-Config
Wait for Host
Command
EEPROM/Flash
yes
device present?
no
EEPROM/Flash
contents valid?
yes
SPI _SDI = 0?
no
no
Parse
EEPROM/Flash
Content
(:optional)
Auto-Config
Change-Config
Auto Configuration:
FRAME_VALID
LINE_VALID
DOUT _LSB 0
DOUT _LSB 1
Auto-Config
(default)
Wait for Host
Command
Host Config
Change Config
Change-Config
Wait for Host
Command
ASX340AT/D Rev. H, 8/15 EN
29
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