saa5250 NXP Semiconductors, saa5250 Datasheet - Page 9

• Manufacturer Part Number: saa5250
• Description: Interface For Data Acquisition And Control For Multi-standard Teletext Systems
• Manufacturer: NXP Semiconductors

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