SAA5250 Просмотр технического описания (PDF) - Philips Electronics
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производитель
SAA5250
Philips Electronics
SAA5250 Datasheet PDF : 35 Pages
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Philips Semiconductors
Interface for data acquisition and control
(for multi-standard teletext systems)
Product specification
SAA5250
Table 5 Format table
FORMAT BYTE
B8, B6, B4 AND B2 (1)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Note
1. B8 = MSB and B2 = LSB.
LIST 1
0
1
2
3
4
8
12
16
20
24
28
32
36
40
44
48
LIST 2
0
1
2
3
5
9
13
17
21
25
29
33
37
41
45
49
LIST 3
0
1
2
3
6
10
14
18
22
26
30
34
38
42
46
50
LIST 4
0
1
2
3
7
11
15
19
23
27
31
35
39
43
47
51
R2 register
Table 6 R2 Register contents
R27 TO R24
channel number, third digit
(hexadecimal value, third digit)
R23 TO R20
channel number, second digit
(hexadecimal value, second digit
Note
1. R27 and R23 = MSB and R24 and R20 = LSB
The R2 register provides the other two parts of the channel number (depending on the prefix) that require checking.
January 1987
9
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