TMC22091/TMC22191
PRODUCT SPECIFICATION
Table 3. Control Register Map (continued)
Table 3. Control Register Map (continued)
Reg Bit Name Function
Reg Bit Name
Function
07
7-0 FKEY
Red/blue/C data key
R
value
19
1A
7-0 FP
7-0 EL
Front porch length
Equalization pulse LOW
length
08-0D
Reserved
Misc. Control Register
1B
1C
1D
7-0 EH
7-0 SL
7-0 SH
Equalization pulse HIGH
length
0E
0E
0E
0E
7
6
5
4
EFEN
Register 0E and 0F
enable
Vertical sync LOW
length
COMPD/A
SVIDD/A
FKREN
COMPOSITE D/A
disable
Vertical sync HIGH
length
LUMA/CHROMA D/A
disable
1E
1F
1F
7-0 CBL
Color bar length
Luminance processing
enabled
7-5 FIELD
4-0 LTYPE
Field identification
Line type identification
0E
0E
3
2
RATIO
TFLK
Luminance ratio select
Subcarrier Registers
Luminance pass
threshold select
20
21
22
23
7-0 FREQL
7-0 FREQ3
7-0 FREQ2
7-0 FREQM
Subcarrier frequency 4th
byte (LSBs)
0E
0E
1
0
T512
EH/SL offset select
Subcarrier frequency 3rd
byte
CB100
NTSC/PAL Color Bars
Standards Control Register
Subcarrier frequency
2nd byte
0F
0F
0F
7
6
5
4
EFEN
SIX25
PALID
SETUP
Same as Reg 0E bit 7
but read-only
Subcarrier frequency 1st
byte (MSBs)
625/525 line per frame
select
24
25
7-0 SYSPHL
7-0 SYSPHM
Video phase offset LSBs
Phase alternate line
select
Video phase offset
MSBs
0F
0F
0F
7.5 IRE Pedestal Enable
Luminance gain settings
26
27
7-0 BURPHL
7-0 BURPHM
Burst phase offset LSBs
Burst phase offset MSBs
Reserved
3-2 YGAIN
1-0 CGAIN
Chrominance gain
settings
28-3F
Test I/O Register
Timing Registers
40
7-0 TESTDAT
Test data input/output
Mask register
10
7-0 SY
Horizontal sync tip
length
Mask Register
50
7-0 MASK
11
12
13
14
7-0 BR
7-0 BU
7-0 CBP
7-0 XBP
Breezeway length
Burst length
Y-Component Register
60
7-0
Y
Y-component input/
output
Color back porch length
Extended color back
porch 8 LSB
Notes:
1. Functions are listed in the order used for reading and
writing.
2. For each register listed above, all bits not listed are
reserved and should be set to zero to ensure proper
operation.
3. The meaning of Register 04 (Key Control Register/Layer-
ing Control Register) is determined by Format Control
Register bit 6 (TMC22191).
15
16
17
18
7-0 VA
7-0 VC
7-0 VB
7-6 XBP
Active video 8 LSB
Active video start 8 LSB
Active video end 8 LSB
Extended color back
porch 2 MSB
18
18
18
5-4 VA
3-2 VC
1-0 VB
Active video 2 MSB
Active video start 2 MSB
Active video end 2 MSB
12