AL300 datasheet(47/64 Pages) ETC

47 / 64 page

AL300

November 28, 2001

51h:

Horizontal Blank Start High (R/W) [HBLANKSTART]

HBlankStartH <2:0> Bits <10:8> of Horizontal blank start position + 12. (Unit: 1 pixel)

52h:

Horizontal Blank End Low (R/W) [HBLANKEND]

HBlankEndL

<7:0> Bits <7:0> of Horizontal blank end position + 12. (Unit: 1 pixel)

53h:

Horizontal Blank End High (R/W) [HBLANKEND]

HBlankEndH <2:0> Bits <10:8> of Horizontal blank end position + 12. (Unit: 1 pixel)

54h:

Vertical Blank Start Low (R/W) [VBLANKSTART]

VBlankStartL <7:0> Bits <7:0> of Vertical blank start position. (Unit: 1 line)

55h:

Vertical Blank Start High (R/W) [VBLANKSTART]

VBlankStartH <2:0> Bits <10:8> of Vertical blank start position. (Unit: 1 line)

56h:

Vertical Blank End Low (R/W) [VBLANKEND]

VBlankEndL

<7:0> Bits <7:0> of Vertical blank end position. (Unit: 1 line)

57h:

Vertical Blank End High (R/W) [VBLANKEND]

VBlankEndH <2:0> Bits <10:8> of Vertical blank end position. (Unit: 1 line)

Input Timing Measurement:

60h:

Input Status (R only) [INPUTSTATUS]

InHsPol

<0>

Input HSYNC Polarity.

Active low/ negative polarity

Active high/ positive polarity

InVsPol

<1>

Input VSYNC polarity.

Active low/ negative polarity

Active high/ positive polarity

OddFIeld

<2>

1, if input is in odd field

Reserved

<3>

InVde

<4>

1, if input video is in active region

OutVde

<5>

1, if output video is in active region

RefVs

<6>

1, if refence timing is in VSYNC cycle (in free running mode)

InVSYNC

<7>

1, if input timing is in VYSNC cycle

61h:

Input Line Rate Low (R only) [LINERATE]

LineRateL

<7:0> Bits <7:0> of input line rate, which is in terms of how many reference lock

cycles per horizontal line.

Refresh Rate = (Reference clock frequency) / (LINERATE x INVTOTAL)

Reference clock is the clock from XIN pin.

LINERATE is the input line rate defined in registers #61h and #62h

INVTOTAL is the input vertical total line defined in registers #63h and #64h

AL300 Datasheet(PDF) 47 Page - List of Unclassifed Manufacturers

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