STV2310 datasheet(59/112 Pages) STMICROELECTRONICS

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STV2310

DDECCONT1

PIXMODE

Pixel Mode Selection

In Square Pixel mode, the number of Y, Cr and Cb components depends on the standard as shown in

Table 12. The output line locked frequency (CLK_DATA) will also change according to the standard.

0: Normal Pixel mode (Default)

1: Square Pixel mode

ACTEDGE

Data is output from the STV2310 on the following pads: FIELD, VSYNC, HSYNC, PLLLOCK and

YCRCB[7:0]. It is synchronous to the CLK_DATA output clock either on the rising or falling edge depending

on this option.

0: Clock falling edge is active edge (Default)

1: Clock rising edge is active edge

CVBSMUX

Y/CVBS Input Selection

0: Y/CVBS1 input (Default)

1: Y/CVBS2 input

OUTTRISTATE

Pad Tristate Mode

The pad tristate mode depends on the chip I2C address.

If the I2C default chip address is chosen:

0: Output digital pads in Output mode (Default)

1: Output digital pads in Tristate mode

If the I2C spare chip address is chosen:

0: Output digital pads in Tristate mode (Default)

1: Output digital pads in Output mode

Note that only the following pads can be in Tristate mode: FIELD, VSYNC, HSYNC, PLLLOCK, CLK_DATA

and YCRCB[7:0]. The I2C pads are never in Tristate mode.

SVIDEOSEL

CVSB/S-Video Selection

The S-video mode notifies the STV2310 that the chroma and luma signals are already separated.

0: S-Video Input

1: CVBS Input (Default)

5060MODE[1:0]

Vsync Search Mode and initial Free-running Mode

These bits provide the starting point for the Vsync extraction mechanism. 50-Hz or 60-Hz input standards

are expected. The options are to look exclusively for 50-Hz or 60-Hz standards (Forced 50 or 60) or to

search for all standards with a priority in the search mechanism (Auto 50 or 60).

00: Auto 50: Automatic search mode starting with 50-Hz standards. (Default)

01: Forced 60: Search mode forced to 60-Hz standards only.

10: Forced 50: Search mode forced to 50-Hz standards only.

11: Auto 60: Automatic search mode starting with 60-Hz standards.

Address (hex): 01h

Reset Value (bin): 0011 1111

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BLANKMODE[1:0]

AUTOSTD[5:0]

Bit Name

Function

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