ML6461CS datasheet(22/30 Pages) MICRO-LINEAR

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ML6461

Table 6: Control Register (CNTR) Summary

DATA BIT

NAME

DESCRIPTION

BIT CODE RANGE

AC_DC

Configures analog output buffers for AC or DC drive

0 = DC, 1 = AC

SUBCARRIER_OFF

Disable internal subcarrier oscillator - for test only

0 = Normal, 1= Disable oscillator

CC_ALL

Enables Closed Caption transmission on every line

0 = Normal, 1 = Enable

FIX_SCH

Enable reset of subcarrier oscillator every other frame

0 = Not reset, 1 = Oscillator reset

to maintain SCH phase

ACTIVE_ON

Eliminate H & V intervals, suppress burst — for test only

0 = Normal, 1 = Test Mode

BURST ON

Burst Available at all time — For test only

0 = Normal, 1 = Test Mode

YDEL0

Delay/Advance luma channel

<YDEL1, YDEL0> = 00 = Normal

<YDEL1, YDEL0> = 01= Delay luma 1 clock cycle

YDEL1

Delay/Advance luma channel

<YDEL1, YDEL0> = 10 = Advance luma 1 clock cycle,

<YDEL1, YDEL0> = 11= Advance luma 2 clock cycles

FRAME_MODE

Configure FIELD pin as input or output

0 = output, 1= input

FLD_FRM_MODE

Configure FIELD pin to give odd/even or 1,2 and 3,4 info

0 = odd/even, 1= 1,2 or 3,4

B10

SENSE_VSYNC

Set vertical reset pulse polarity

0 = Falling edge, 1= Rising edge

B11

SWITCH_FIELD

Switches even/odd fields

0 = Normal, 1= switch even/odd

B12

SWITCH_UV

Switch Cr and Cb internally

0 = Normal, 1= Switch Cr & Cb

B13

SEL_HSYNC0

Used to facilitate pixel synchronization

See Figures 4, 5, 7, 8

B14

SEL_HSYNC1

Used to facilitate pixel synchronization

See Figures 4, 5, 7, 8

B15

SENSE_HSYNC

Set horizontal reset pulse polarity

0 = Falling edge, 1= Rising edge

B16

OVERLAY_ON

Enables use of PHERR pin

0 = Disable, 1= Enable PHERR pin

B17

FSYNC

Enable frame syncing

0 = Disable, 1= Enable

B18

CC_284

Enable transmission of Closed Caption data on line 284

0 = Disable, 1= Enable transmission

B19

CC_21

Enable transmission of Closed Caption data on line 21

0 = Disable, 1= Enable transmission

B20

WIDE_BLANK

Select wide or narrow blanking

0 = 9 lines of blanking, 1= 15 lines

B21

JAPAN_BLANK

Removes 7.5 IRE setup in blanking and boosts Y & C gain

0 = Normal, 1= Japanese NTSC

B22

FULL_BAR

To handle 100% amplitude video (100% colorbars)

0 = Normal, 1 handles 100%Amp. Video

B23

ANALOG_HRESET

Selects position of horizontal reset

0 = Digital H blank edge,

1= Analog H blank edge

B24

ANALOG_HBLANK

Select analog blanking with smooth transition at the edges

0 = Digital blanking,

or digital blanking

1= Analog blanking

B25

HRESET_MODE

Select H reset at start of active video or start of H blanking

0 = Start of blanking,

1= Start of active

B26

SLAVE_MODE

Select external H/V reset or embedded H/V reset

0=External H/V reset (H/V ext. source)

1=Embedded H/V reset (SAV/EAV codes)

B27

SELCCIR

Select CCIR656 rate or Square Pixel rate

0 = Square Pixel, 1= CCIR656

B28

SLAVE/MASTER

Select slave or master mode

0 = Master mode, 1= Slave mode

B29

CBLANK

Composite Blanking

0 = Disable, 1= Enable

B30

Reserved

Set to 1 for Proper Operation

B31

Reserved

Set to1 for Proper Operation

Note: B31 is MSB

ML6461CS 数据表(PDF) 22 Page - Micro Linear Corporation

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