saa7110 NXP Semiconductors, saa7110 Datasheet - Page 46

• Manufacturer Part Number: saa7110
• Description: One Chip Front-end 1 Ocf1
• Manufacturer: NXP Semiconductors

Philips Semiconductors
16.4.3
Table 39 Mixer control #1
16.4.4
Table 40 Clamping level control 21 CLL21
1995 Oct 18
Analog MUX3 control (MX34); data bits D1 and D0
Clamping function test (CLTS); data bit D2
Fast digital multiplexing channel 2/3 active (MUYC); data bit D3
Luminance select (YSEL); data bit D4
Chrominance select (CSEL); data bit D5
Automatic gain control (GACO); data bits D7 and D6
DECIMAL CLAMP LEVEL
CLAAn and CLAUn adjusted via CLL32 value for testing
Multiplex mode on CHR channel for test purposes only
One Chip Front-end 1 (OCF1)
ADC 3 to CHR (MUXC not inverse; MUYC = 1)
ADC 2 to CHR (MUXC inverse; MUYC = 1)
S
S
UBADDRESS
UBADDRESS
128
254
Automatic gain control channel 2
Automatic gain control channel 3
Automatic gain control channel 4
64
Normal mode on CHR channel
1
Channel 3 on; channel 4 off
Channel 3 off; channel 4 on
Automatic gain control off
Normal clamping mode
Both channels off
ADC 2 to CVBS
ADC 3 to CVBS
22 (
23 (
Adder mode
(do not use)
(do not use)
FUNCTION
DATA BYTE
DATA BYTE
CLL217
0
0
1
1
023 to 016)
031 to 024)
CLL216
0
1
0
1
CLL215
0
0
0
1
46
CLL214
CONTROL BITS
0
0
0
1
CLL213
GACO1 = 0; GACO0 = 0
GACO1 = 0; GACO0 = 1
GACO1 = 1; GACO0 = 0
GACO1 = 1; GACO0 = 1
MX341 = 0; MX340 = 0
MX341 = 0; MX340 = 1
MX341 = 1; MX340 = 0
MX341 = 1; MX340 = 1
0
0
0
1
CONTROL BITS
MUYC = 1
SAA7110; SAA7110A
MUYC = 0
CSEL = 0
CSEL = 1
YSEL = 0
YSEL = 1
CLTS = 0
CLTS = 1
CLL212
0
0
0
1
Product specification
CLL211
0
0
0
1
CLL210
1
0
0
0