ADV7180
Bits (Shading Indicates Default
State)
Comments
LQFP-64 LFCSP-40
Set to default
Subaddress Register
Bit Description
Notes
7
6
5
4
3
2
1
0
0x0F
Power
Reserved.
0
0
Management
PDBP. Power-down
bit priority selects
between PWRDWN bit
or pin control.
0
1
Chip power-down
controlled by pin
Bit has priority
(pin disregarded)
Reserved.
0
0
Set to default
PWRDWN. Power-
down places the
decoder into a full
power-down mode.
0
1
System functional
Powered down
See PDBP, 0x0F Bit 2
Reserved.
0
Set to default
RESET. Chip reset, loads
all I2C bits with default
values.
0
1
Normal operation
Start reset sequence
Executing reset takes
approx. 2 ms; this bit is
self-clearing
0x10
Status Register 1
(Read Only)
IN_LOCK.
x
1 = in lock (now)
Provides information
about the internal status
of the decoder
LOST_LOCK.
FSC_LOCK.
FOLLOW_PW.
x
1 = lost lock (since last read)
1 = FSC lock (now)
x
x
1 = peak white
AGC mode active
AD_RESULT[2:0].
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
NTSM M/J
Detected standard
Autodetection result
reports the standard of
the input video.
NTSC 4.43
PAL M
PAL 60
PAL B/G/H/I/D
SECAM
PAL Combination N
SECAM 525
1 = color kill is active
COL_KILL.
x
Color kill
0x11
0x12
IDENT (Read Only)
IDENT[7:0]. Provides
identification on the
revision of the part.
0
0
0
1
1
x
0
x
1
x
1
x
Power-up value = 0x1B
Status Register 2
(Read Only)
MVCS DET.
MVCS T3.
MV color striping detected
MV color striping type
1 = detected
0 = Type 2
1 = Type 3
MV PS DET.
MV AGC DET.
LL NSTD.
MV pseudosync detected
MV AGC pulses detected
Nonstandard line length
FSC frequency nonstandard
1 = detected
1 = detected
1 = detected
1 = detected
x
FSC NSTD.
Reserved.
x
x
x
0x13
Status Register 3
(Read Only)
INST_HLOCK.
x
1 = horizontal lock
achieved
Unfiltered
GEMD.
x
1 = Gemstar data detected
SD 60 Hz detected
SD_OP_50Hz.
0
1
SD field rate detect
SD 50 Hz detected
CVBS.
0
1
Y/C signal detected
Result of CVBS and
Y/C autodetection
CVBS signal detected
1 = free-run mode active
1 = field length standard
1 = interlaced video detected
1 = swinging burst detected
FREE_RUN_ACT.
STD FLD LEN.
INTERLACED.
x
Blue screen output
x
Correct field length found
Field sequence found
x
PAL_SW_LOCK.
x
Reliable swinging burst
sequence
0x14
Analog Clamp
Control
Reserved.
0
0
1
0
Set to default
CCLEN. Current clamp
enable allows the user
to switch off the
0
1
Current sources switched off
Current sources enabled
current sources in the
analog front.
Reserved.
0
0
0
Set to default
Rev. A | Page 83 of 112
ADI [ ADI ]
