TDA5230 Datasheet, PDF (46/186 Pages) Infineon Technologies AG – Universal Low Power ASK/FSK Single Conversion Multi-Channel Image-Reject Receiver

TDA523x
Functional Description
From Compare of
Config A
To Init Loop
Counter of Config A
WU Search With
Configuration B
3
Init
Loop Counter
Loop Counter Is
Initialized
4 _Modulation
Switching CFG B
Modulation Selection
Depending On Register
Setting
5
Init With
CFG B
Initialize RX-Part
Configuration B
Loop Counter == 10
Loop Counter == 11
6
Load
11
Load
11
Load
S1R1 Channel
S2R2 Channel
S3R3 Channel
Initialize RX-Part
Multi Channel B
Initialize RX-Part
Multi Channel B
Initialize RX-Part
Multi Channel B
Permanent WU Search Mode Enable == 0
Permanent WU Search Mode Enable == 1
Const On Time
Fast Fall Back To Sleep
ON Time elapsed == 0
WU Found == 0
7
WU Search
CFG B COOT
Search For A Configurated
Wake Up Criteria
Const On Off
ON Time elapsed == X
WU Found == 1
7
WU Search
CFG B FFTS
Search For A Configurated
Wake Up Criteria
Fast Fall Back
WU Search Finished == 0
ON Time elapsed == 1 WU Search Finished == 1 WU Search Finished == 1
WU Found == 0
WU Found == 1
WU Found == 0
9
Compare
Compare Loop Counter
Against Number Of
Channels
Loop Counter == BNOC
Dual Config Enable == 0
Loop Counter <> BNOC
10 _Increment
Loop Counter
Incrementation Of
The Loop Counter
Figure 21
8
Store
Channel
Store The Current Channel
Configuration Into Actual
Channel Register
Generating WU CFG B
Interrupt If Not Masked
12 _{Run Mode}
Self Polling
Chip is permanently
active
Wake up Search with Configuration B
Data Sheet
42
Version 4.0, 2007-06-01