ASX340AT_16 Datasheet, PDF (20/54 Pages) ON Semiconductor – 1/4‐inch Color CMOS NTSC/PAL Digital Image SOC

ASX340AT
Power Sequence
In power-up, refer to the power-up sequence in Figure 44:
“Power Up Sequence.”
In power down, refer to Figure 45: “Power Down
Sequence”, for details.Modes in the Developer Guide
document for details.
Power Up/RESET
Disable Auto−Config
Wait for Host
Command
EEPROM/Flash
yes
device present?
no
yes
SPI_SDI = 0?
EEPROM/Flash
contents valid?
no
no
Auto Configuration
FRAME_ VALID
LINE_VALID
D_OLUST B0
DOUT_LSB1
Auto−Config
Parse
EEPROM/Flash
Content
(:optional)
(default)
Auto−Config
Change−Config
Wait for Host
Command
Host Config
Change Config
Change−Config
Wait for Host
Command
Figure 19. Power-Up Sequence – Configuration Options Flow Chart
Supported NVM Devices
The ASX340AT supports a variety of SPI non-volatile
memory (NVM) devices. Refer to Flash/EEPROM
Programming section in Developer Guide document for
details.
TABLE 13. SPI FLASH DEVICES
Type
Flash
Flash
EEPROM
EEPROM
Density
1 MB
8 MB
1 MB
8 KB
Manufacturer
Device
ST
M25P10−AVMB3
Atmel
AT26DF081A
ST
M95M01−R
Microchip
25LC080
Speed
(MHz)
50
70
5
2
Standard
JEDEC/Device ID
Temp Range
(5C)
–40 to +125
–20 to +85
–40 to +130
–40 to +125
Supported
Yes
Yes
Yes
Yes
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