SAA7108AE Datasheet, PDF (159/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
SAA7108AE_SAA7109AE_3
Product data sheet
Table 189. I port signal definitions; global set 84h[7:6] and 86h[5]
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]]
0
0
0
IGP0 is A/B task flag, as defined by CONLH[90h[7]]
0
0
1
IGP0 is sliced data flag, framing the sliced VBI data at the I port 0
1
0
IGP0 is set to logic 0 (default polarity)
0
1
1
IGP0 is the output FIFO almost filled flag
1
0
0
IGP0 is the output FIFO overflow flag
1
0
1
IGP0 is the output FIFO almost full flag, level to be programmed in 1
1
0
subaddress 86h
IGP0 is the output FIFO almost empty flag, level to be programmed 1
1
1
in subaddress 86h
Table 190. I port signal definitions; global set 84h[5:4] and 86h[4]
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]]
0
0
0
IGP1 is A/B task flag, as defined by CONLH[90h[7]]
0
0
1
IGP1 is sliced data flag, framing the sliced VBI data at the I port 0
1
0
IGP1 is set to logic 0 (default polarity)
0
1
1
IGP1 is the output FIFO almost filled flag
1
0
0
IGP1 is the output FIFO overflow flag
1
0
1
IGP1 is the output FIFO almost full flag, level to be programmed in 1
1
0
subaddress 86h
IGP1 is the output FIFO almost empty flag, level to be programmed 1
1
1
in subaddress 86h
Table 191. I port output signal definitions; global set 84h[3:0]^[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
X
X
0
0
IGPH is an extended H gate (framing H gate during scaler output X
X
0
1
and scaler input H reference outside the scaler window)
IGPH is a horizontal trigger pulse, on active going edge of H gate X
X
1
0
IGPH is a horizontal trigger pulse, on active going edge of extended X
X
1
1
H gate
IGPV is a V gate signal, framing scaled output lines
0
0
X
X
IGPV is the V reference signal from scaler input
0
1
X
X
IGPV is a vertical trigger pulse, derived from V gate
1
0
X
X
IGPV is a vertical trigger pulse derived from input V reference
1
1
X
X
[1] X = don’t care.
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
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