TDA5235
Functional Description
RX_RUN=0
RX_RUN == 0
1
IDLE
Permanent WU Search Mode Enable== 0
Chip is idle
RX_RUN == 1
2
Wait
Startup Finished == 0
Wait Till Startup
Has Finished
From Run Mode Self Polling
Startup Finished == 1
Init
3
4
5
Loop Counter
Permanent WU Search Mode Enable== 1
CfgLoopCounter
is Initialized
Modulation
Switching CFG A
Modulation Selection
Depending On Register
Setting
WU Search With
Configuration A
Init With
CFG A
Initialize RX-Part
Configuration A
Permanent WU Search Mode Enable== 0
Permanent WU Search Mode Enable== 1
Const On Time
Fast Fall Back To Sleep
7
7
WU Search
WU Search
CFG A COOT
Search For A Configurated
Wake Up Criteria
CFG A FFTS
WU Search Finished == 0
ON Time elapsed == 0
WU Found== 0
Search For A Configurated
Wake Up Criteria
Fast Fall Back
Const On Off
ON Time elapsed == 1
WU Found == 0
WU Search Finished == 1
WU Found == 1
WU Search Finished == 1
WU Found == 0
ON Time elapsed == X
WU Found == 1
9
Compare
Compare Loop Counter
Against Number Of
Configs
CfgLoopCounter <> CfgNr
CfgLoopCounter== CfgNr
8
Store
Channel
Store The Current Channel
Configuration Into Actual
Channel Register
Generating WU CFG A
Interrupt If Not Masked
12
Run Mode
Self Polling
Chip is permanently
active
To Init Loop Counter
of Config B
From Compare of
Config B
Figure 73
Wake-up Search with Configuration A
Data Sheet
102
V1.0, 2010-02-19
INFINEON [ Infineon ]
