STK6005 datasheet(26/36 Pages) ETC

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STK6005

clear the interrupt flags and reset INTN output to high.

5.17 GPIO Ports

STK6005 provides four general purpose inputs / outputs. These provide additional

signals to control the various devices in the system. Each GPIO port can be

independently programmed to input or output a direction (SelGPO) or a pulse width

modulation output (SelPWM).

6. REGISTER DEFINITION

6.1 ADC Control

Address

Bit

Name

Initial R/W

Description

0x10

[7:0]

HBP[7:0]

0x28

R/W

0x11

[3:0]

HBP[11:8]

0x1

R/W

Horizontal back-porch length of input video, unit in

number of input clocks

0x12

[7:0]

HDISP[7:0]

0x00

R/W

0x13

[3:0]

HDISP[11:8]

0x4

R/W

Horizontal display active length of input video, unit in

number of input clocks

0x14

[7:0]

VBP[7:0]

0x23

R/W

0x15

[2:0]

VBP[10:8]

0x0

R/W

Vertical back-porch length of input video, unit in number

of input scan lines

0x16

[7:0]

VDISP[7:0]

0x00

R/W

0x17

[2:0]

VDISP[10:8]

0x3

R/W

Vertical display active length of input video, unit in

number of input scan lines

0x18

[7:5]

ClampSTA

0x2

R/W Clamp start from RGHS trailing edge ( # of RefCLKs)

[4:0]

ClampPW

0x08

R/W Clamp output pulse width ( # of RefCLKs)

0x19

[7:4]

MaskBW

0x4

R/W Backward expansion width of VS mask (# of lines)

[3:0]

MaskFW

0x4

R/W Forward expansion width of VS mask (# of lines)

0x1A

[5]

EnClamp

R/W 0/1 : Clamp output low / enable

[4]

SetClamp

0/1 : to set Clamp output polarity to positive / negative

[3]

MaskSync

0/1 : MaskVS sync to RGHS leading / trailing edge

[2]

MaskExp

1 : enable MaskVS expansion

[1]

EnMaskVS

0/1 : MaskVS output low / enable

[0]

SetMask

0/1 : to set MaskVS output polarity to positive / negative

0x1B

[6]

SetICLK

R/W 0/1 : to set input clock polarity to positive / negative

[5]

SetIVS

0/1 : to set input Vsync polarity to positive / negative

[4]

SetIHS

0/1 : to set input Hsync polarity to positive / negative

[3]

HVMode

1 : VGAHS is composite sync and separates VS from it.

[2]

SelCSync

1 : to select Csync as Hsync / Vsync input

[1]

EnRGHS

0/1 : RGHS output low / enable

[0]

SetRGHS

0/1 : to set RGHS output polarity to positive / negative

0x1C

[5]

EnInter

R/W 1 : to enable a de-interlace function

[4]

L1Odd

1 : to indicate that Odd field is a first frame

[3]

HalfOdd

1 : VS active at half of HS period is an Odd field.

[2]

AdjEvenF

1 : to delay an active area of even field by 1 line

[1]

AdjOddF

1 : to delay an active area of odd field by 1 line

[0]

SelIntF

0/1 : YUV field is indicated by Field / HV sync timing.

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