ASX340AT Datasheet, PDF(34/75 Page) ON Semiconductor – Color CMOS NTSC/PAL Digital Image

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ASX340AT Datasheet, PDF (34/75 Pages) ON Semiconductor – Color CMOS NTSC/PAL Digital Image

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ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor

External Signal Processing

Summary of Host Commands

Table 14 on page 34 through Table 21 on page 36 show summaries of the host

commands. The commands are divided into the following sections:

â¢ System Manager

â¢ Overlay

â¢ GPIO

â¢ Flash Manager

â¢ Sequencer

â¢ Patch Loader

â¢ Miscellaneous

â¢ Calibration Stats

Following is a summary of the Host Interface commands. The description gives a quick

orientation. The âTypeâ column shows if it is an asynchronous or synchronous

command. For a complete list of all commands including parameters, consult the Host

Command Interface Specification document.

Table 14: System Manager Commands

System Manager

Host Command

Set State

Get State

Value

0x8100

0x8101

Type

Synchronous

Description

Request the system enter a new state

Get the current state of the system

Table 15: Overlay Host Commands

Overlay Host Command

Enable Overlay

Get Overlay State

Set Calibration

Set Bitmap Property

Get Bitmap Property

Set String Property

Load Buffer

Load Status

Write Buffer

Read Buffer

Enable Layer

Get Layer Status

Set String

Get String

Load String

Value

0x8200

0x8201

0x8202

0x8203

0x8204

0x8205

0x8206

0x8207

0x8208

0x8209

0x820A

0x820B

0x820C

0x820D

0x820E

Type

Synchronous

Asynchronous

Synchronous

Asynchronous

Description

Enable or disable the overlay subsystem

Retrieve the state of the overlay subsystem

Set the calibration offset

Set a property of a bitmap

Get a property of a bitmap

Set a property of a character string

Load an overlay buffer with a bitmap (from Flash)

Retrieve status of an active load buffer operation

Write directly to an overlay buffer

Read directly from an overlay buffer

Enable or disable an overlay layer

Retrieve the status of an overlay layer

Set the character string

Get the current character string

Load a character string (from Flash)

ASX340AT/D Rev. H, 8/15 EN

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