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PDF STA680 Data sheet ( Hoja de datos )
| Número de pieza | STA680 | |
| Descripción | HD Radio baseband receiver | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de STA680 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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STA680
HD Radio™ baseband receiver
Features
■ IBOC (in-band on-channel) digital audio
broadcast signal decoding for AM/FM hybrid
and all-digital modes
■ Dual-channel HD 1.5 for background scanning
and data services
■ HD codec (HDC) audio decompression
LQFP144 (20x20x1.4 mm)
LFBGA 168 balls
(12x12x1.4 mm)
■ Metadata support for HD Radio reception
■ MPS (main program service) and PAD
(program associated data) data decoder
■ Advanced HD Radio feature support:
– Conditional access (CA)
– Apple ID3 tag
– Multicasting
– Electronic program guide (EPG)
– Real-time traffic
– Audio time shifting
■ Primary and secondary serial interfaces for
based on industry standard IIC and SPI
■ Several General purpose IOs
■ One Internal clock oscillator and two internal
PLLs
■ External clock input
■ 1.2 V core supply; 3.3 V I/O supply
■ Automotive qualified in accordance with
AEC-Q100
■ Variable input base-band data-rate I2S-like
interface supporting 650, 675, 744.1875, 882,
912 kS/s data rates
■ Secondary RF base-band interface for dual
tuner applications
■ Glueless interface to Synchronous SDRAM
addressing up to 512 Mbit of SDRAM in x16
configuration
■ Optional Serial Flash memory SPI interface for
application code storage
■ IIS serial audio interface with programmable
sample rate converter
Description
The STA680 is an HD-radio base-band processor
for car-radio applications. The STA680
functionality includes audio decompression and
data processing, while multiple interfaces ensure
flexible integration into the system.
The STA680 takes full advantage of HD 1.5 Radio
benefits including CD-like audio quality from HD
Radio FM broadcasts and FM-like audio quality
using HD Radio AM, while program associated
data or traffic information is received from the
second channel.
Table 1. Device summary
Order code
Package(1)
Packing
STA680
STA680Q
1. ECOPACK® compliant.
LFBGA 168 balls (12x12x1.4 mm)
LQFP144 (20x20mm)
Tray
Tray
November 2010
Doc ID 14860 Rev 4
1/43
www.st.com
1
Free Datasheet http://www.Datasheet-PDF.com/
1 page  
STA680
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
LQFP pinout (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
LFBGA ball-out (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
System block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Functional block diagram for HD Radio demodulating and decoding . . . . . . . . . . . . . . . . . 18
Clock generation unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power on timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Crystal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
BBI waveforms and timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Serial audio interface waveforms and timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SPI interface timings diagrams and waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Timing diagrams and waveform for the two I2C interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 32
Timing diagrams and waveform for the SDRAM interface . . . . . . . . . . . . . . . . . . . . . . . . . 34
LQFP144 (20x20mm) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 40
LFBGA 168 balls (12x12x1.4 mm) mechanical data and package dimensions . . . . . . . . . 41
Doc ID 14860 Rev 4
5/43
Free Datasheet http://www.Datasheet-PDF.com/
5 Page 
STA680
Block diagram and pin description
Table 2. Pins description (continued)
Pin # Ball #
Signal name
Type
Pull-up
/down(1)
Electrical
Supply
group
Description
IIS audio input interface
45 F2 AUDIO_IN_AWS I
44 E1 AUDIO_IN_ABCK I
50 F1 AUDIO_IN_ADAT I
Audio output interfaces
Pull-up
Pull-up
Pull-down
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
Generic
IO supply
Reserved
Generic
IO supply
Reserved
Generic
IO supply
Reserved
55 G1
AWS
56 H3
ABCK
54 G2
ADAT
53 C3
ADAT2
52 E3
ADAT3
43 E2
SPDIF
34 B3
BLEND
51 G3
DAC256X
Clock & oscillator
57 K2
CLK_IN
66 L1
OSC_IN
67 K1
OSC_OUT
SPI Flash interface
I/O Pull-up
I/O Pull-up
O-
O-
O-
O-
O-
O-
I-
ana -
ana -
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
1.8 V or
3.3 V
Generic
IO supply
Digital audio output word strobe
Generic
IO supply
Digital audio output clock
Generic
IO supply
Digital audio output serial data
Generic
IO supply
Reserved
Generic
IO supply
Reserved
Generic
IO supply
Reserved
Generic
IO supply
Digital audio output blend output
Generic Digital audio output
IO supply oversampling clock
1.8 V or
3.3 V
1.8 V
1.8 V
Generic
IO supply
Reference digital clock
Osc 28,224MHz crystal in or digital
supply clock input
Osc
supply
Crystal output
78 P4
SPI2_MISO
I
Pull-up
1.8 V or Flash IO SPI interface 2 serial data
3.3 V
supply master in/slave out
74
N3
SPI2_MOSI
O
Pull-up
1.8 V or Flash IO SPI interface 2 serial data
3.3 V
supply master out/slave in
75
P3
SPI2_SS0_N
O
Pull-up
1.8 V or Flash IO SPI interface 2 active-low slave
3.3 V
supply select 0
77
M3
SPI2_SS1_N O
Pull-up
1.8 V or
3.3 V
Flash IO
supply
Reserved
Not
bonded
M4
SPI2_SS2_N
O
Pull-up
1.8 V or
3.3 V
Flash IO
supply
Reserved
Doc ID 14860 Rev 4
11/43
Free Datasheet http://www.Datasheet-PDF.com/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STA680.PDF ] | |
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