saa5250 NXP Semiconductors, saa5250 Datasheet - Page 13

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

Philips Semiconductors
Table 13 Hamming correction (coding)
Note
1. B7 = B8
January 1987
Interface for data acquisition and control
(for multi-standard teletext systems)
B5 = B6
B3 = B4
B1 = B2
B8, B6, B4 and B2 = data bits
B7, B5, B3 and B1 = redundancy bits
= exclusive OR gate function
HEXADECIMAL
NOTATION
B6
B4
B2
B8
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
B2
B8
B6
B4
B8
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
B7
0
0
1
1
1
1
0
0
1
1
0
0
0
0
1
1
13
B6
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
B5
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
B4
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
B3
1
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
Product specification
SAA5250
B2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
B1
1
0
1
0
0
1
0
1
0
1
0
1
1
0
1
0