ASX340 datasheet(32/78 Pages) ETC2

tên linh kiện	ASX340

Giải thích chi tiết về linh kiện	1/4-Inch Color NTSC/PAL Digital Image SOC with Overlay Processor

PDF	78 Pages

Scroll/Zoom	100%

nhà sản xuất	ETC2 [List of Unclassifed Manufacturers]

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32 / 78 page

PDF: 171981479/Source: 8304342517

Aptina reserves the right to change products or specifications without notice.

ASX340/MT9V139_DS Rev. C Pub. 3/11 EN

ASX340/MT9V139: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor

External Signal Processing

Aptina Confidential and Proprietary

Preliminary

Power Sequence

In power-up, the core voltage (1.8V) must trail the IO (2.8V) by a positive number. All

2.8V rails can be turned on at the same time or follow the power-up sequence in Figure

45: “Power Up Sequence,” on page 62.

In power down, the sequence is reversed. The core voltage (1.8V) must be turned off

before any 2.8V. Refer to Figure 46: “Power Down Sequence,” on page 63 for details.

Figure 19:

Power-Up Sequence – Configuration Options Flow Chart

DOUT_LSB 0

Power Up/ RESET

Auto Configuration:

FRAME_VALID

LINE_VALID

SPI _SDI = 0?

Wait for Host

Command

Wait for Host

Command

Parse

EEPROM/Flash

Content

Wait for Host

Command

yes

Disable Auto-Config

Host Config

DOUT_LSB 1

EEPROM/Flash

Header?

EEPROM/Flash

Exists?

Change Config

(default)

:(optional)

Auto-Config

Change-Config

Auto-Config

Change-Config

yes

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