ADV7180WBSTZ datasheet(24/120 Pages) AD

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ADV7180

Data Sheet

Rev. G | Page 24 of 120

GLOBAL STATUS REGISTER

Four registers provide summary information about the video

decoder. The IDENT register allows the user to identify the

revision code of the ADV7180. The other three registers (0x10,

0x12, and 0x13) contain status bits from the ADV7180.

IDENTIFICATION

IDENT[7:0], Address 0x11[7:0]

This is the register identification of the ADV7180’s revision.

Table 19 describes the various versions of the ADV7180.

Table 19. IDENT CODE

IDENT[7:0]

Description

0x1B1

Initial release silicon

0x1C1

Improved ESD and PDC fix

0x1E

48-lead and 32-lead devices only

64-lead and 40-lead models only.

STATUS 1

Status 1[7:0], Address 0x10[7:0]

This read-only register provides information about the internal

status of the ADV7180.

See the CIL[2:0], Count Into Lock, Address 0x51[2:0] section

and the COL[2:0], Count Out of Lock, Address 0x51[5:3]

section for details on timing.

Depending on the setting of the FSCLE bit, the Status Register 0

and Status Register 1 are based solely on horizontal timing

information or on the horizontal timing and lock status of

the color subcarrier. See the FSCLE, fSC Lock Enable, Address

0x51[7] section.

AUTODETECTION RESULT

AD_RESULT[2:0], Address 0x10[6:4]

The AD_RESULT[2:0] bits report back on the findings from the

ADV7180 autodetection block. See the General Setup section for

more information on enabling the autodetection block and the

Autodetection of SD Modes section for more information on

how to configure it.

Table 20. AD_RESULT Function

AD_RESULT[2:0]

Description

000

NTSC M/J

001

NTSC 4.43

010

PAL M

011

PAL 60

100

PAL B/G/H/I/D

101

SECAM

110

PAL Combination N

111

SECAM 525

Table 21. Status 1 Function

Status 1[7:0]

Bit Name

Description

IN_LOCK

In lock (now)

LOST_LOCK

Lost lock (since last read of

this register)

FSC_LOCK

fSC locked (now)

FOLLOW_PW

AGC follows peak white

algorithm

AD_RESULT[0]

Result of autodetection

AD_RESULT[1]

Result of autodetection

AD_RESULT[2]

Result of autodetection

COL_KILL

Color kill active

STATUS 2

Status 2[7:0], Address 0x12[7:0]

Table 22. Status 2 Function

Status 2[7:0]

Bit Name

Description

MVCS DET

Detected Macrovision color

striping

MVCS T3

Macrovision color striping

protection; conforms to Type 3

if high, Type 2 if low

MV PS DET

Detected Macrovision pseudo-

sync pulses

MV AGC DET

Detected Macrovision AGC

pulses

LL NSTD

Line length is nonstandard

FSC NSTD

fSC frequency is nonstandard

Reserved

STATUS 3

Status 3[7:0], Address 0x13[7:0]

Table 23. Status 3 Function

Status 3[7:0]

Bit Name

Description

INST_HLOCK

Horizontal lock indicator

(instantaneous)

GEMD

Gemstar detect

SD_OP_50Hz

Flags whether 50 Hz or 60 Hz is

present at output

Reserved

Reserved for future use

FREE_RUN_ACT

ADV7180 outputs a blue

screen (see the DEF_VAL_EN,

Default Value Enable,

Address 0x0C[0] section)

STD FLD LEN

Field length is correct for

currently selected video

standard

Interlaced

Interlaced video detected

(field sequence found)

PAL_SW_LOCK

Reliable sequence of

swinging bursts detected

ADV7180WBSTZ Datasheet(PDF) 24 Page - Analog Devices

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