Philips Semiconductors
Preliminary specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI-data slicer and high performance scaler
SAA7114H
Table 86 I-port signal definitions; global set 84H[7:6] and 86H[5]
CONTROL BITS
84H[7:6]
I-PORT SIGNAL DEFINITIONS
86H[5]
IDG02
IDG01
IDG00
IGP0 is output field ID, as defined by OFIDC[90H[6]]
IGP0 is A/B task flag, as defined by CONLH[90H[7]]
IGP0 is sliced data flag, framing the sliced VBI-data at the I-port
IGP0 is set to logic 0 (default polarity)
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
IGP0 is the output FIFO almost filled flag
IGP0 is the output FIFO overflow flag
IGP0 is the output FIFO almost full flag, level to be programmed in subaddress
86H
IGP0 is the output FIFO almost empty flag, level to be programmed in subaddress
86H
1
1
1
Table 87 I-port reference signal polarities; global set 85H[4:0]
X = don’t care.
CONTROL BITS D4 TO D0
I-PORT REFERENCE SIGNAL POLARITIES
IGP0P
IGP1P
IGVP
IGHP
IDQP
IDQ at default polarity (1 = active)
IDQ is inverted
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
0
X
X
X
X
0
X
X
0
0
1
IGPH at default polarity (1 = active)
IGPH is inverted
X
X
X
X
X
X
X
X
1
IGPV at default polarity (1 = active)
IGPV is inverted
X
X
X
X
X
X
1
IGP1 at default polarity
IGP1 is inverted
X
X
X
X
1
IGP0 at default polarity
IGP0 is inverted
X
X
1
Table 88 X-port signal definitions text slicer; global set 85H[7:5]
X = don’t care.
CONTROL BITS D7 TO D5
X-PORT SIGNAL DEFINITIONS TEXT SLICER
ISWP1
ISWP0
ILLV
Video data limited to range 1 to 254
X
X
0
X
X
0
0
1
Video data limited to range 8 to 247
Dword byte swap, influences serial output timing
X
D0 D1 D2 D3
D1 D0 D3 D2
D2 D3 D0 D1
D3 D2 D1 D0
FF 00 00 SAV CB0 Y0 CR0 Y1
00 FF SAV 00 Y0 CB0 Y1 CR0
00 SAV FF 00 CR0 Y1 CB0 Y0
SAV 00 00 FF Y1 CR0 Y0 CB0
0
1
1
1
0
1
X
X
X
2000 Mar 15
113
NXP [ NXP ]
