TDA5225 Datasheet, PDF (49/176 Pages) Infineon Technologies AG – Enhanced Sensitivity Multi-Channel Quad-Configuration Receiver

TDA5225
Functional Description
The Interrupt Status register is always cleared after read out via SPI.
It is not possible to disable the Power On Reset Indicator Interrupt using the Interrupt
Mask registers.
Interrupt-Mask
NINT
Interrupt-Signalling
Figure 25
NINT signal
Interrupt Generation Unit
IS1 + IS0
IM1 + IM0
Reset
RESET
PP2_select=NINT
PP2INV
SPI READ IS0
IS0 ^{X FF}
01
PP2(NINT)
WU(A,B)
10
00
ConfigA
ConfigB
Figure 26 Interrupt Generation Waveform (Example for Configuration A+B)
Data Sheet
49
V1.0, 2010-02-19