LMH0030_0608 Datasheet, PDF (16/29 Pages) National Semiconductor (TI) – SMPTE 292M/259M Digital Video Serializer with Video and Ancillary Data FIFOs and Integrated Cable Driver

Device Operation (Continued)
Register Function
Scrambler_ Enable
NRZI_Enable
LSB_Clipping
SYNC_Detect_Enable
I/O Bus Pin Config.
TABLE 1. Configuration and Control Data Register Summary (Continued)
Initial Condition
Assignable to
Bits
Read or Write
(Note 13)
I/O Bus as
1
R/W
ON
No
1
R/W
ON
No
1
R/W
ON
No
1
R/W
ON
No
48
R/W
See Table 6
No
Note 12: Connected to multifunction I/O port at power-on.
Note 13: ON = logic-1, OFF = logic-0 (positive logic).
Notes
TABLE 2. Control Register Bit Assignments
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
EDH 0 (register address 01h)
EDH ERROR
EDH FORCE EDH ENABLE F/F FLAGS(4) F/F FLAGS(3) F/F FLAGS(2) F/F FLAGS(1) F/F FLAGS(0)
(SD)
EDH 1 (register address 02h)
reserved
reserved
reserved A/P FLAGS(4) A/P FLAGS(3) A/P FLAGS(2) A/P FLAGS(1) A/P FLAGS(0)
EDH 2 (register address 03h)
F/F FLAG
A/P FLAG
ANC FLAG
ANC
ANC
ANC
ANC
ANC
ERROR
ERROR
ERROR
FLAGS(4)
FLAGS(3)
FLAGS(2)
FLAGS(1)
FLAGS(0)
ANC 0 (register address 04h)
VIDEO FIFO VIDEO FIFO VIDEO FIFO
DEPTH(2)
DEPTH(1)
DEPTH(0)
FIFO
OVERRUN
FIFO
EMPTY
FIFO
FULL
ANC CHECK- ANC CHECK-
SUM ERROR SUM FORCE
ANC 1 (register address 05h) DID
ANC ID(7)
ANC ID(6)
ANC ID(5)
ANC ID(4)
ANC ID(3)
ANC ID(2)
ANC ID(1)
ANC ID(0)
ANC 2 (register address 06h) SDID/DBN
ANC ID(15) ANC ID(14) ANC ID(13) ANC ID(12) ANC ID(11) ANC ID(10) ANC ID(9)
ANC ID(8)
ANC 3 (register address 07h) DID
ANC MASK(7) ANC MASK(6) ANC MASK(5) ANC MASK(4) ANC MASK(3) ANC MASK(2) ANC MASK(1) ANC MASK(0)
ANC 4 (register address 08h) SDID/DBN
ANC
MASK(15)
ANC
MASK(14)
ANC
MASK(13)
ANC
MASK(12)
ANC
MASK(11)
ANC
ANC MASK(9) ANC MASK(8)
MASK(10)
ANC 5 (register address 17h)
FIFO INSERT CHSUM
ENABLE
ATTACH IN
reserved
reserved
FIFO FLUSH
STATIC
reserved
reserved
reserved
ANC 6 (register address 18h)
reserved
reserved
ANC PARITY
MASK
reserved
reserved
reserved
reserved
VANC
SWITCH POINT 0 (register address 09h)
LINE(7)
LINE(6)
LINE(5)
LINE(4)
LINE(3)
LINE(2)
LINE(1)
LINE(0)
SWITCH POINT 1 (register address 0Ah)
PROTECT(4) PROTECT(3) PROTECT(2) PROTECT(1) PROTECT(0) LINE(10)
LINE(9)
LINE(8)
SWITCH POINT 2 (register address 19h)
LINE(7)
LINE(6)
LINE(5)
LINE(4)
LINE(3)
LINE(2)
LINE(1)
LINE(0)
SWITCH POINT 3 (register address 1Ah)
PROTECT(4) PROTECT(3) PROTECT(2) PROTECT(1) PROTECT(0) LINE(10)
LINE(9)
LINE(8)
FORMAT 0 (register address 0Bh)
reserved
SD ONLY
HD ONLY
FORMAT
SET(4)
FORMAT
SET(3)
FORMAT
SET(2)
FORMAT
SET(1)
FORMAT
SET(0)
FORMAT 1 (register address 0Ch)
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