SDA5648X SIEMENS [Siemens Semiconductor Group], SDA5648X Datasheet - Page 20

• Manufacturer Part Number: SDA5648X
• Description: Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

BDSP 8/30 Format 1 Bit Allocation
Byte No.
15
16
17
18
19
20
21
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
basis. No bit manipulation is performed on the chip in this operating mode. 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.
Semiconductor Group
Bit No.
Weight
2
MJD Digit
Weight 10
MJD Digit
Weight 10
MJD Digit
Weight 10
UTC Hours
Units
UTC Minutes
Units
UTC Seconds
Units
0
– 2
2
1
– 1
4
2
0
2
2
0
Weight
2
1
3
2
1
MJD Digit
Weight 10
MJD Digit
Weight 10
UTC Hours
Tens
UTC Minutes
Tens
UTC Seconds
Tens
2
4
2
1
3
5
2
C-bus in a transparent way, i.e., on a bit-first-in-first-out
3
1
Sign
0
1
6
40
1
7
1
Contents
Time Offset Code
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
SDA 5648X
SDA 5648