TDA5240 Datasheet, PDF (98/284 Pages) Infineon Technologies AG – Enhanced Sensitivity Multi-Channel Quad-Configuration Receiver

TDA5240
Functional Description
0
Wait
Wait Till Startup
Has Finished
Startup Finished == 0
4
FIFO locked
Wait Till FIFO Read Out
fifolk == 1
Startup Finished == 1
1
INIT
fifolk == 1
EXTPROC==00 ^{Init FIFO=Init FIFO@Cyc.}
fifolk == 0
2
Symbol Sync ==0
INITDRXES==1
fifolk == 0
INITDRXES==1
INIT
Init Digital Receiver
Symbol Sync ==0
INITDRXES==0
Hold == 0
12
Hold
Ready for
reconfiguration
Hold == 1
3
fifolk == 0
INITDRXES==0
Wait
Wait Till Symbol
Sy nc hroniz at ion
Is Found
Symbol Sync == 1
EXTPROC<>10
5
Wait
Wait Till Frame Start
Is Found
Frame Sync == 1
EXTPROC==00
6
INIT FIFO
Init FIFO =
Init FIFO@FSYNC
Symbol Sync == 0
Generating A Frame Start
Interrupt If Not Masked
Frame Sync == 0
7
Check
MID Setup
Check The MID Setup
R egis t er
MID Screening enable == 0
MID Screening enable == 1
8
Init MID
Scanning Unit
Initialize The MID
Scanning Unit
Figure 69
9
MID Scanning Finished == 0
Wait
Store RX Data Into FIFO
Wait For Scan Finish
MID Scanning Finished == 1
Generating A MID Found
Interrupt If Not Masked
10 _{Checking ID}
MID Found== 0
Scanning Result
Store RX Data Into FIFO
Analyze The Scanning
R es ult
MID Found=1
11
EOM Found == 1
EOM Check
Store RX Data Into FIFO
Check For EOM
Generating A EOM Interrupt If
Not Masked
EOM Found == 0
Run Mode Slave
Data Sheet
98
V4.0, 2010-02-19