SDA5650X Siemens, SDA5650X Datasheet - Page 34

• Manufacturer Part Number: SDA5650X
• Description: VPS / PDC-plus Decoder
• Manufacturer: Siemens

Semiconductor Group
5.6
Byte No.
13
14
15
16
17
18
19
20
21
22
23
24
25
Note: This corresponds to the coding adopted in CCIR teletext system B BDSP 8/30
format 1.
NB: The received bytes are output on the I
bit-first-in-first-out basis. No bit manipulation is performed on the chip in this
operating mode.
Concerning bytes no. 16 through 21: When evaluating the numbers, note that
each 4-bit-digit has been incremented by one prior to transmission, and the least
significant bits are transmitted first.
BDSP 8/30 Format 1 Bit Allocation
0
2
MJD Digit
Weight 10
MJD Digit
Weight 10
MJD Digit
Weight 10
UTC Hours
Units
UTC Minutes
Units
UTC Seconds
Units
– 2
Weight
1
2
– 1
4
2
0
2
2
0
Bit No.
3
2
1
Weight
4
2
1
MJD Digit
Weight 10
MJD Digit
Weight 10
UTC Hours
Tens
UTC Minutes
Tens
UTC Seconds
Tens
2
5
2
1
3
34
3
1
6
0
1
1
Sign Time Offset Code
2
C Bus in a transparent way, i.e., on a
7
1
Contents
Network Identification
Network Identification
Modified Julian Date (MJD)
1. Byte
Modified Julian Date
2. Byte
Modified Julian Date (MJD)
3. Byte
Universal Time Coordinated
(UTC)
1. Byte
Universal Time Coordinated
2. Byte
Universal Time Coordinated
3. Byte
Short Programme Label 1. Byte
Short Programme Label 2. Byte
Short Programme Label 3. Byte
Short Programme Label 4. Byte
SDA 5650/X
1. Byte
2. Byte
02.97