tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 108

• Manufacturer Part Number: tda5235
• Description: Enhanced Sensitivity Double-configuration Receiver With Digital Baseband Processing
• Manufacturer: Infineon Technologies Corporation

Figure 77
Data Sheet
Generating WU
CFG X Interrupt
If Not Masked
EOM2SPM == 0
EXTEOM found
(from external controller )
13
12
To Self Polling Mode
EOM2nCfg == 0
14
(WU Search With
Configuration A)
Goto SelfPolling
Config After EOM
16
Configuration
Channel and
Information
Parallel Wake-Up
EOM2SPM == 1
After EOM
Goto Next
Save
Found
EOM2nCfg == 1
To Self Polling Mode
Next Configuration)
(WU Search With
Run Mode Self Polling
Symbol Sync ==0
17
INITDRXES==1
Init Digital Receiver
WU Found == 1
PWUF == 1
INITDRXES==0
INIT
INITDRXES==0
EOM Found == 1
WU Found == 1
PWUF == 1
ToTim Timeout TSI == 0
Frame Sync == 1
EXTPROC==00
MID Scanning
Finished == 0
7
9
Store RX Data Into FIFO
Check The MID Setup
ToTim Timeout SYNC == 0
Wait For Scan Finish
MID Setup
1.1
6
11
0
1
2
4
5
MID Found == 0
Symbol Sync == 1
Check
EXTPROC <> 10
Register
Wait
Start ToTimEOM (If Enab.)
Start ToTim Timer SYNC
Start ToTim TSI (If Enabl.)
Store RX Data Into FIFO
Depending On Register
Init FIFO @Cycle Start }
If INITFRCS == 1 then
Initialize TOTIM timers
Modulation Selection
PWUF = PWUEN bit
Wait Till Frame Start
If PWUF == 0 then
InitFIFO @FSYNC
EOM Check
Init TOTIMs
Modulation
Check For EOM
Switching
INIT FIFO
fifolk == 0
(If Enabled)
{ Init FIFO =
Init Framer
PWUF = 0
Init FIFO=
MID Found == 1
Is Found
Setting
INIT
Wait
Wait
INIT
MID Screening
MID Scanning
Finished == 1
enable == 1
8
Scanning Result
Store RX Data Into FIFO
Analyze The Scanning
3.1
Checking ID
EXTPROC==00
ToTim Timeout TSI == 0
Frame Sync == 0
ToTim Timeout SYNC == 0
Symbol Sync == 0
ToTim Timeout EOM == 0
EOM Found == 0
All Operations Are Done With
Scanning Unit
fifolk == 1
Digital Receiver
Initialize The MID
The Wake Up Configuration
Result
MID Screening
Scanning Unit
Init MID
enable == 0
108
INIT
Init
Wait Till FIFO Read Out
3
FIFO locked
10
fifolk == 0
ToTim Timeout TSI == 1
Frame Sync == X
EXTPROC == 00
ToTim Timeout EOM == 1
EOM Found == X
It Is Possible To Disable
Generating A MID Found
Interrupt If Not Masked
Generating A EOM
Interrupt If Not Masked
Generating A Frame Start
Interrupt If Not Masked
Symbol Sync ==0
The Timeout Feature
To Self Polling Mode
(WU Search With
INITDRXES==1
Configuration A )
ToTim Timeout SYNC == 1
Symbol Sync == X
ToTim Timeout SYNC == 1
Symbol Sync == X
EXTPROC <> 10
Functional Description
(from external controller )
EXTTOTIM
TOTIM2nCh == 0
ToTim Timeout
EOM == 1
V1.0, 2010-02-19
(WU Search With Next
To Self Polling Mode
TOTIM2nCh == 1
ToTim Timeout == 1
Configuration )
Configuration
TDA5235
Goto SP Next
15