saa7120 NXP Semiconductors, saa7120 Datasheet - Page 25

• Manufacturer Part Number: saa7120
• Description: Digital Video Encoder Condenc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Jan 06
handbook, full pagewidth
handbook, full pagewidth
Digital Video Encoder (ConDENC)
The data demultiplexing phase is coupled to the internal horizontal phase.
The phase of the RCV2 signal is programmed to tbf (tbf for 50 Hz) in this example in output mode (RCV2S).
LLC clock output
LLC clock input
input data
output data
LLC
MP(n)
RCV2
t SU; DAT
valid
valid
t HD; DAT
t HD; DAT
t HD; DAT
Cb(0)
t HIGH
t HIGH
Fig.8 Clock data timing.
Fig.9 Functional timing.
Y(0)
t d
not valid
not valid
25
T LLC
T LLC
t f
t f
Cr(0)
Y(1)
SAA7120; SAA7121
t r
t r
valid
valid
Preliminary specification
MBE742
Cb(2)
MGB699
2.6 V
1.5 V
0.6 V
2.4 V
1.5 V
0.8 V
2.0 V
0.8 V
2.4 V
0.6 V