TDA5225 Datasheet, PDF (71/176 Pages) Infineon Technologies AG – Enhanced Sensitivity Multi-Channel Quad-Configuration Receiver

TDA5225
Functional Description
2.6.2.3 Active Idle Period Selection
This mode is used to deactivate some polling periods and can additionally be applied to
the above mentioned Polling Mode.
Normally, polling starts again after the T_MasterPeriod. With this Active Idle Period selection
some of the polling periods can be deactivated, independent from the Polling Mode. The
active and the idle sequence is set with the SPMAP and the SPMIP registers. The values
of these registers determine the factor M and N.
run mode
RX polling
sleep mode
T_On
T_Off
T_MasterPeriod
M*T_MasterPeriod
Active
Figure 47 Active Idle Period
N*T_MasterPeriod
Idle
Data Sheet
71
V1.0, 2010-02-19