LMH0031 Datasheet, PDF (20/39 Pages) National Semiconductor (TI) – SMPTE 292M/259M Digital Video Deserializer Descrambler with Video and Ancillary Data FIFOs

LMH0031
SNLS218A – JANUARY 2006 – REVISED APRIL 2013
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Table 1. Configuration and Control Data Register Summary⁽¹⁾ (continued)
Register Function
Bits
Video Format Operations
Format Set
5
SD Only
1
HD Only
1
Format
5
H
1
V
1
F
1
Framing Mode
1
Framing Enable
1
New Sync Position (NSP)
1
SAV
1
EAV
1
De-scramble Enable
1
NRZI Enable
1
LSB Clipping Enable
1
Sync Detect Enable
1
De-Dither Enable
1
Vert. De-Dither Enable
1
Lock Detect
1
Unscrambled
1
Video Data Out
TPG and BIST Operations
Test Pattern Select
6
TPG Enable
1
Pass/Fail
1
VPG Filter Enable
1
Reference Clock Operations
Reference Clock
2
External Vclk
1
Multifunction I/O Bus Operations
I/O Bus Pin Config.
48
Read or Write
R/W
R/W
R/W
R
R
R
R
R/W
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
Initial Condition
00000B
OFF
OFF
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
000000b
OFF
OFF
00b
OFF
See Table 6
Available on
I/O Bus
Notes
No
No
No
Output
Output
Output
Output
No
Input
Output
Output
Output
No
No
No
No
Input
Input
Output
No
Format [4] ⁽²⁾ I/O 3
See ⁽²⁾ I/O 2
See ⁽²⁾ I/O 1
See ⁽²⁾ I/O 0
See ⁽²⁾ I/O 7
See ⁽⁴⁾ I/O 4
See ⁽⁵⁾
Input
Input
Output
Input
No
No
No
525/27 MHz/Black
EXT CLK Enabled
See ⁽⁵⁾
(4) Connected to multifunction I/O port at power-on.
(5) Special or restricted functionality. Refer to text for details.
Bit 7
Bit 6
EDH 0 (register address 01h)
CRC ERROR EDH FORCE
EDH 1 (register address 02h)
CRC
REPLACE
CRC ERROR
LUMA
EDH 2 (register address 03h)
F/F FLAG
ERROR
A/P FLAG
ERROR
ANC 0 (register address 04h)
VIDEO
VIDEO
FIFO-DEPTH(2) FIFO-DEPTH(1)
Table 2. Control Register Bit Assignments
Bit 5
Bit 4
Bit 3
Bit 2
EDH ENABLE
F/F UES
F/F IDA
F/F IDH
CRC ERROR
CHROMA
A/P UES
A/P IDA
A/P IDH
ANC FLAG
ERROR
ANC UES
ANC IDA
ANC IDH
VIDEO
ANC FIFO
FIFO-DEPTH(0) OVERRUN
ANC FIFO
EMPTY
ANC FIFO
FULL
Bit 1
F/F EDA
A/P EDA
Bit 0
F/F EDH
A/P EDH
ANC EDA
ANC EDH
ANC CHECK- ANC CHECK-
SUM ERROR SUM FORCE
20
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