SAA7108AE Datasheet, PDF (168/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
Table 213. Vertical input window length; register set A [9Ah[7:0]; 9Bh[3:0]] and B [CAh[7:0]; CBh[3:0]]
Vertical input acquisition
Control bits
window definition input
A [9Bh[3:0]] and
A [9Ah[7:0]] and B [CAh[7:0]]
window length in Y (vertical)
direction^[1]
B [CBh[3:0]]
YS11 YS10 YS9 YS8 YS7 YS6 YS5 YS4 YS3 YS2 YS1 YS0
No input lines
0
0
0
0
0
0
0
0
0
0
0
0
1 input line
0
0
0
0
0
0
0
0
0
0
0
1
Maximum possible number of 1
1
1
1
1
1
1
1
1
1
1
1
input lines = 4095
[1] For trigger condition: STRC[1:0] 90h[1:0] = 00; YO + YS > (number of input lines per field − 2), will result in field dropping. Other trigger
conditions: YS > (number of input lines per field − 2), will result in field dropping.
11.2.5.8 Subaddresses 9Ch to 9Fh
Table 214. Horizontal output window length; register set A [9Ch[7:0]; 9Dh[3:0]] and B [CCh[7:0]; CDh[3:0]]
Horizontal output acquisition Control bits
window definition number of _{A [9Dh[3:0]] and}
A [9Ch[7:0]] and B [CCh[7:0]]
desired output pixels in
X (horizontal) direction^[1]
B [CDh[3:0]]
XD11 XD10 XD9 XD8 XD7 XD6 XD5 XD4 XD3 XD2 XD1 XD0
No output
0
0
0
0
0
0
0
0
0
0
0
0
Odd lengths are allowed, but will 0
0
0
0
0
0
0
0
0
0
0
1
be filled up to even lengths
Maximum possible number of 1
1
1
1
1
1
1
1
1
1
1
1
input pixels = 4095^[2]
[1] Reference for counting are luminance samples.
[2] If the desired output length is greater than the number of scaled output pixels, the last scaled pixel is repeated.
Table 215. Vertical output window length; register set A [9Eh[7:0]; 9Fh[3:0]] and B [CEh[7:0]; CFh[3:0]]
Vertical output acquisition Control bits
window definition number of _{A [9Fh[3:0]] and B [CFh[3:0]] A [9Eh[7:0]] and B [CEh[7:0]]}
desired output lines in
Y (vertical) direction
YD11 YD10 YD9 YD8 YD7 YD6 YD5 YD4 YD3 YD2 YD1 YD0
No output
0
0
0
0
0
0
0
0
0
0
0
0
1 pixel
0
0
0
0
0
0
0
0
0
0
0
1
Maximum possible number of 1
1
1
1
1
1
1
1
1
1
1
1
output lines = 4095^[1]
[1] If the desired output length is greater than the number of scaled output lines, the processing is cut.
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
168 of 208