ADV7180
Data Sheet
Bits
(Shading Indicates Default State)
Subaddress
Register
Bit Description
7
6
5
4
3
2
1
0
Comments
Notes
0x0E
ADI Control 1
Reserved
0
0
0
0
0
Set as default
SUB_USR_EN; enables
user to access the interrupt/
VDP register map
0
1
Access main register space
Access interrupt/VDP register space
See Figure 53
Reserved
Reserved
0
0
Set as default
0x0F
Power
management
0
0
Set to default
PDBP; power-down bit
priority selects between
PWRDWN bit or pin control
0
1
Chip power-down controlled by pin
Not applicable for
32-lead LFCSP
Bit has priority (pin disregarded)
Set to default
Reserved
0
0
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 approxi-
mately 2 ms; this
bit is self-clearing
0x10
Status 1
(read only)
IN_LOCK
x
1 = in lock (now)
1 = lost lock (since last read)
1 = fSC lock (now)
1 = peak white AGC mode active
NTSC M/J
Provides info
about the internal
status of the
decoder
LOST_LOCK
FSC_LOCK
FOLLOW_PW
x
x
x
AD_RESULT[2:0]; auto-
detection result reports
the standard of the
input video
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Detected
standard
NTSC 4.43
PAL M
PAL 60
PAL B/G/H/I/D
SECAM
PAL Combination N
SECAM 525
COL_KILL
x
1 = color kill is active
Color kill
0x11
0x12
IDENT
(read only)
IDENT[7:0]; provides
identification on the
revision of the part
0
0
0
1
1
x
1
x
0
x
0
x
Power-up
value = 0x1C
Status 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 3
(read only)
INST_HLOCK
GEMD
x
1 = horizontal lock achieved
1 = Gemstar data detected
SD 60 Hz detected
Unfiltered
x
SD_OP_50Hz
0
1
SD field rate detect
SD 50 Hz detected
Reserved
x
FREE_RUN_ACT
STD FLD LEN
x
1 = free-run mode active
1 = field length standard
Blue screen output
x
Correct field
length found
Interlaced
x
1 = interlaced video detected
1 = swinging burst detected
Field sequence
found
PAL_SW_LOCK
x
Reliable swinging
burst sequence
Rev. G | Page 86 of 120
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