SDA5648X SIEMENS [Siemens Semiconductor Group], SDA5648X Datasheet - Page 7

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

Control Register
Bit Number
Default: All bits are set to 0 on power-up.
Bit 0:
0
BDSP
8/ 30/ 2
data accessible
Bit 1:
0
VPS mode active
Bits 2 through 7 are used for test purposes.
DIS: Don‘t care.
Bits 3 through 7 must not be changed for normal operation by user software!
Read Mode
For reading from the PDC decoder, the following format has to be used.
Semiconductor Group
START
Determines, which kind of data is accessed via the I
Determines the operating mode.
Chipaddress Read Mode
T4
7
T3
6
AS
T2
5
1st Byte
Value
Value
27
1
BDSP 8/ 30/ 1 or
header row
data accessible (refer to description of Bit 2)
1
PDC mode active
T1
4
AM
2
C-Bus when PDC mode is active.
T0
3
…
Byte
DIS
Last
2
PDC/
VPS
NAM
1
SDA 5648X
SDA 5648
FOR1/
FOR2
STOP
0