2004 Mar 16
174
Philips Semiconductors
Product specification
PC-CODEC
SAA7108E; SAA7109E
Table 196
I port signal definitions; global set 84H[7:6] and 86H[5]
Table 197
I port signal definitions; global set 84H[5:4] and 86H[4]
Table 198
I port output signal definitions; global set 84H[3:0]; note 1
Note
1.
X = don’t care.
I PORT SIGNAL DEFINITIONS
CONTROL BITS
86H[5]
84H[7:6]
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)
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
0
0
0
0
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
I PORT SIGNAL DEFINITIONS
CONTROL BITS
86H[4]
84H[5:4]
IDG12
IDG11
IDG10
IGP1 is output field ID, as defined by OFIDC[90H[6]]
IGP1 is A/B task flag, as defined by CONLH[90H[7]]
IGP1 is sliced data flag, framing the sliced VBI data at the I port
IGP1 is set to logic 0 (default polarity)
IGP1 is the output FIFO almost filled flag
IGP1 is the output FIFO overflow flag
IGP1 is the output FIFO almost full flag, level to be programmed in subaddress 86H
IGP1 is the output FIFO almost empty flag, level to be programmed in subaddress 86H
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
I PORT OUTPUT SIGNAL DEFINITIONS
CONTROL BITS 3 TO 0
IDV1
IDV0
IDH1
IDH0
IGPH is a H-gate signal, framing the scaler output
IGPH is an extended H-gate (framing H-gate during scaler output and scaler
input H-reference outside the scaler window)
IGPH is a horizontal trigger pulse, on active going edge of H-gate
IGPH is a horizontal trigger pulse, on active going edge of extended H-gate
IGPV is a V-gate signal, framing scaled output lines
IGPV is the V-reference signal from scaler input
IGPV is a vertical trigger pulse, derived from V-gate
IGPV is a vertical trigger pulse derived from input V-reference
X
X
X
X
0
0
0
1
X
X
0
0
1
1
X
X
0
1
0
1
1
1
X
X
X
X
0
1
X
X
X
X