saa7199b NXP Semiconductors, saa7199b Datasheet - Page 15

• Manufacturer Part Number: saa7199b
• Description: Digital Video Encoder Denc Genlock-capable
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 10 Sync select
Table 11 Multi-purpose key control
Table 12 Colour encoding standards
Colour look-up tables (CLUTs)
The CLUTs consist of RAM tables. The RAM tables can be loaded with X = 0 to 255 in accordance with equation 1 for
the signals R, G and B. Gamma-correction (pre-distortion) by the following equation:
The RAM tables are loaded via MPU-bus or via I
1996 Sep 27
SYSEL1 SYSEL0
MPKC1
Y = NINT (b + a
b = 16
Digital Video Encoder (DENC)
GENLOCK-capable
STD3
SET BY BITS
0
0
1
1
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
a
MPKC0
STD2
16
X
0
1
0
1
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2.2
X1
CSYN (active LOW; pin 3)
HSN and VSN (active LOW; pins 84 and 3)
CSYN (active HIGH; pin 3)
HSN and VSN (active HIGH; pins 84 and 3)
control via CCIR bit and FMT bits bypass
format 5 (RGB) CCIR level
format 7 (indexed colour)
CCIR level
IN FUNCTION BLOCKS INPUT
1/g
STD1
); Y(X
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
FORMATTER
16) = 16; Y(X
STD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
NTSC 4.43; 60 Hz; SQP (12.27 MHz)
NTSC 4.43; 50 Hz; SQP (14.75 MHz)
PAL-B/G 4.43; 50 Hz; SQP (14.75 MHz)
NTSC 4.43; 60 Hz; CCIR (13.5 MHz)
NTSC 4.43; 50 Hz; CCIR (13.5 MHz)
PAL-B/G 4.43; 50 Hz; CCIR (13.5 MHz)
reserved
reserved
PAL-M; 60 Hz; SQP (12.27 MHz)
PAL-M; 60 Hz; CCIR (13.5 MHz)
PAL-N; 50 Hz; CCIR (13.5 MHz)
PAL-N; 50 Hz; SQP (14.75 MHz)
NTSC-M; 60 Hz; SQP (12.27 MHz)
NTSC-M; 60 Hz; CCIR (13.5 MHz)
reserved
reserved
2
C-bus (Table 17).
235) = 235 (equation 1) with g = 2.2:
active,
no indexed colour
active,
no indexed colour
SYNCHRONIZED FROM
15
CLUTs
STANDARD
control via FMT bits control via CCIR bit
active
active
MATRIX
a
=
--------------------------------------- -
235
–
2.2
Product specification
219
CCIR level
CCIR level
SAA7199B
–
16
MATCHING
–
LEVEL
2.2
;