PRODUCT SPECIFICATION
TMC22091/TMC22191
Table 2. Microprocessor Port Control
Table 3. Control Register Map (continued)
Reg Bit Name Function
A
1-0
R/W
Action
00
00
01
01
10
10
11
11
0
Write D
pointer
into Control Register
7-0
02
02
02
2
1
0
FBDIS
Frame buffer signals
disable
1
0
1
0
1
0
1
Read Control Register pointer
on D
PDCDIR
FLDLK
PDC master, slave
select
7-0
Write D
Pointer
into CLUT Address
7-0
Field lock select
Test Control Register
Read CLUT Address Pointer on
03
03
7
6
Reserved
D
7-0
LIMEN
Luminance limiter
enable
Write D
7-0
Register
to addressed Control
03
03
03
5
4
3
TESTEN
HOLDEN
TSTMSB
Test enable
Read addressed Control
Register on D
7-0
to addressed CLUT
MSBs/LSBs hold select
Write D
7-0
LSBs, MSBs in/out
select
location
Read addressed CLUT location
on D
03
03
2
1
LUMTST
8FSUBR
LUMA channel test
7-0
8-field subcarrier reset
enable
03
0
CHRTST
CHROMA channel test
Table 3. Control Register Map
Key Control Register
04
04
04
04
7
6
5
4
Reserved
Reg Bit Name
Function
HKEN
Hardware key enable
Burst key enable
Global Control Register
BUKEN
SKEXT
00
00
00
7-5
4
Reserved
Data key operation
select
SRESET
PAL
Software reset
3
Standard select, NTSC
or PAL
04
04
04
04
3
2
1
0
DKDIS
EKDIS
FKDIS
SKEN
Green/red/Y data key
disable
00
00
2
1
LUMDIS
CHRDIS
Luminance input disable
Blue/green/C data key
B
disable
Chrominance input
disable
Red/blue/C data key
R
disable
00
0
HRESET
Software reset disable
Format Control Register
Data key enable
01
01
7
6
Reserved
Layering Control Register (TMC22191)
LCREN
Layering Control
Register enable
(TMC22191)
04
7
LAYMODE MSB of Layer
Assignments select
04
04
04
6
5
4
HKEN
Hardware key enable
Burst key enable
01
01
01
5
4
RAMPEN
CB
Modulated ramp test
Color bar test
BUKEN
SKEXT
Data key operation
select
3-2 FORMAT
PD
23-0
input format
select
04
04
3-1 LAYMODE LSBs of Layer
Assignments select
01
1-0 INMODE
PD
23-0
select
input mode
0
SKEN
Data key enable
Interface Control Register
Key Value Registers
02
02
02
02
7
6
VITSEN
SHCY
VITS lines enable
05
7-0 DKEY
Green/red/Y data key
value
Short-cycle test mode
Time-base source select
Sync output mode select
5-4 TBASE
SOUT
06
7-0 EKEY
Blue/green/C data key
B
value
3
11
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