TDA4671 Philips Semiconductors, TDA4671 Datasheet - Page 10

• Manufacturer Part Number: TDA4671
• Description: Picture Signal Improvement PSI circuit
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 2 Function of the bits
Table 3 Peaking amplification
Remarks to the subaddress bytes
Subaddresses 00H to 0FH are reserved for colour decoders and RGB processors.
Subaddresses 10 and 11 only are acknowledged.
General call address is not acknowledged.
Power-on-reset: D7 to D1 bits of data bytes are set to logic 0, D0 bit is set to logic 1.
1996 Dec 11
DL0
DL1
DL2
DL3
DL4
CTI
SC5
LCF
PEAK
COR
PCONx
Picture Signal Improvement (PSI) circuit
PCON1
DATA
0
0
1
1
set delay in luminance channel
set colour transient improvement
select sandcastle pulse voltage
set peaking frequency response
set peaking delay
set coring control
set peaking amplification
PCON0
0
1
0
1
FUNCTION
10
GRADE OF PEAKING
(dB)
+3
+6
0
3
LOGIC 1
2.6 MHz
180 ns
180 ns
450 ns
active
active
active
45 ns
90 ns
+5 V
see Table 3
Product specification
TDA4671
LOGIC 0
5.0 MHz
inactive
inactive
inactive
+12 V
0 ns
0 ns
0 ns
0 ns
0 ns