TDA7580_07 Datasheet, PDF (11/39 Pages) STMicroelectronics – FM/AM digital IF sampling processor

TDA7580
Block diagram and electrical specifications
Table 5. Pin description (continued)
N°
Name
Type
Description
Notes
21 GND
22 VDD
23 IQSYNC
24 IQCH1
25 IQCH2
26 IQCH3
27 VDDH
28 GNDH
29 RDS_INT
30 RDS_CS
31 INT
32 ADDR_SD
33 RESETN
34 VDD
35 GND
36 TESTN
G Digital core power ground
P Digital core power supply
1.8V
High speed synchronous serial interface ^{DSP1 GPIO0}
B
(HS³I) clock if HS³I master mode, else
DSP1 GPIO or DSP1 debug port clock
5V tolerant. With
internal pull-up, on at
(DBOUT1)
reset
High speed synchronous serial interface ^{DSP1 GPIO1}
B
(HS³I) channel 1 data if HS³I master
5V tolerant. With
mode, else DSP1 GPIO or DSP1 debug _{internal pull-up, on at}
port request (DBRQ1)
reset [PP]
High speed synchronous serial interface DSP1 GPIO2
B
(HS³I) channel 2 data if HS³I master
5V tolerant. With
mode, else DSP1 GPIO or DSP1 debug _{internal pull-down, on at}
port data In (DBIN1)
reset [PP]
High speed synchronous serial interface ^{DSP1 GPIO3}
B
(HS³I) channel 3 data if HS³I master
5V tolerant
mode, else DSP1 GPIO or DSP1 debug _{With internal pull-down,}
port data out (DBCK1)
on at reset [PP]
P
3.3V IO ring power supply (HS³I, I²C/SPI,
RDS, INT)
G
3.3V IO ring power ground (HS³I, I²C/SPI,
RDS, INT)
RDS interrupt to external main
B microprocessor in case of traffic
information
DSP1 GPIO4. 5V
tolerant, open drain
With internal pull-up, on
at reset [OD]
RDS chip select. When RESETN rising, If DSP1 GPIO5. 5V
B RDS_CS 0, the RDS’s SPI is selected;
else RDS’s I²C
tolerant. With internal
pull-up, on at reset [PP]
I DSP0 external interrupt
5V tolerant. With
internal pull-up, on at
reset
IFS chip master (Low) or slave (High)
DSP0 GPIO2
B
mode selection, latched in upon RESETN 5V tolerant
release. It selects the LSB of the I²C
With internal pull-down,
addresses. Station detector output
on at reset [PP]
I Chip hardware reset, active low
5V tolerant
With internal pull-up
P Digital power supply
1.8V
G Digital power ground
I Test enable pin, active low
With internal pull-up
After
Reset
Input
Input
Input
Input
Input
Input
Input
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