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STA027 Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer STA027
Beschreibung SBC Codec
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 30 Seiten
STA027 Datasheet, Funktion
STA027
SBC CODEC
PRODUCT PREVIEW
Features
Fully Integrated SBC Encoder And Decoder
Operating Modes:
– SBC encoder mode (PCM In/Serial Output)
– PCM input: 16, 32, 44.1, 48kHz
m– Channel Mode: Mono, Dual,
o– Stereo
.c– Subbands: 4 OR 8
– Allocation Methods:
– Loudness/SNR
U– SBC Decoder Mode
t4– Serial Input
– PCM Output: 16, 32, 44.1, 48kHz
eDigital Volume
Bass & Treble Control
eSerial Bitstream Input/output Interface up to
h2Mbit/s
Easy Programmable ADC Input Interface
SSerial PCM Output Interface (I2S and other
taFormats)
PLL for Internal Clock and for Output PCM
aClock Generation
.DI2C Control Bus
Low Power 2.4V CMOS Technology with 3.3V
Tolerant and Capable I/O
wApplications
wbluetooth AV Applications
wDVD Wirless Speaker Options
TQFP64
Wireless Audio Dongle
PC Wireless Speakers
Generic Compressed Audio LinkS
Wireless Headphone/Headsets
Description
STA027 is a fully integrated SBC codec targeting
wireless audio transmission such as DVD rear
channels wireless speakers, USB dongle, PC
wireless speakers. The device is fully controllable
through a standard I2C bus.
Compression Engine
SBC
The SBC Subband Coding engine can be used
when high quality audio is required in wireless
applications (such as Bluetooth). SBC is an audio
coding system specially designed for Bluetooth
AV applications to obtain high quality audio at
medium bit rates, and having a low computational
complexity. SBC uses 4 or 8 subbands, adaptive
bit allocation algorithm, and simple adaptive block
PCM quantizers..
.comOrder codes
t4UPart number
eSTA027
Package
TQFP64
Packing
Tube
www.DataSheSeptember 2005
CD00066274
Rev 1
1/44
www.st.com
44






STA027 Datasheet, Funktion
2 Pins description and connection diagram
2 Pins description and connection diagram
STA027
2.1 Pin description
Table 1.
PIN
pin description
Pin Name
Type
Description
SDO interface
1 BSO_LRCK
2 BSO_BCK
3 BSO_DATA
SDI interface
4 DREQ
7 BSI_LRCK
8 BSI_BCK
9 BSI_DATA
PCM IN interface
12 LRCKI
13 BCKI
14 SDI
PCM OUT interface
19 OSCK
20 LRCKO
21 BCKO
22 SDO
I DSP Interface left/right Clock
I DSP interface serial data
I DSP interface bit clock
O Bitstream data request
I Bitstream interface left/right Clock
I Bitstream interface clock
I Bitstream interface serial data
I ADC left/right Clock
I ADC bit clock
I ADC serial data
O DAC oversampling clock
O DAC Interface left/right Clock
O DAC bit clock
O DAC serial data
GPSO interface
54 GPSO_SDO
55 GPSO_CK
56 GPSO_REQ
O GPSO serial data
I GPSO bit clock
O GPSO request signal
GPIO interface
26 IODATA0
27 IODATA1
28 IODATA2
31 IODATA3
32 IODATA4
33 IODATA5
I/O GPIODATA0
I/O GPIODATA1
I/O GPIODATA2
I/O GPIODATA3
I/O GPIODATA4
I/O GPIODATA5
Source/Dest
From DSP
From DSP
From DSP
To MCU
From MCU
From MCU
From MCU
From ADC
From ADC
From ADC
To DAC/ADC
To DAC
To DAC
To DAC
To MCU
From MCU
To MCU
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STA027 pdf, datenblatt
4 Host register
4.1 Register map
Table 9. register map by function
Register function
Hex
0x00
VERSION
0x01
0xD3
0xDC
0xDD
0xDE
0xDF
PLL_AUDIO_CONFIGURATION
0xE0
0xE1
0xE2
0xE3
0xE4
0xE5
0xE6
0xE7
0xE8
0xE9
PLL_SYSTEM_CONFIGURATION
0xEA
0xEB
0xEC
0xED
0xEE
0xEF
0x66
I2Sout_CONFIGURATION
0x67
0x68
0x69
GPSO_CONFIGURATION
0x66
0x6A
0x5A
I2Sin_CONFIGURATION
0x5B
0x5C
0x5D
Dec Name
0 VERSION
1 IDENT
211 SOFT_VERSION
220 PLL_AUDIO_PEL_192
221 PLL_AUDIO_PEH_192
222 PLL_AUDIO_NDIV_192
223 PLL_AUDIO_XDIV_192
224 PLL_AUDIO_MDIV_192
225 PLL_AUDIO_PEL_176
226 PLL_AUDIO_PEH_176
227 PLL_AUDIO_NDIV_176
228 PLL_AUDIO_XDIV_176
229 PLL_AUDIO_MDIV_176
230 PLL_SYSTEM_PEL_50
231 PLL_SYSTEM_PEH_50
232 PLL_SYSTEM_NDIV_50
233 PLL_SYSTEM_XDIV_50
234 PLL_SYSTEM_MDIV_50
235 PLL_SYSTEM_PEL_42_5
236 PLL_SYSTEM_PEH_42_5
237 PLL_SYSTEM_NDIV_42_5
238 PLL_SYSTEM_XDIV_42_5
239 PLL_SYSTEM_MDIV_42_5
102 OUTPUT_CONF
103 PCM_DIV
104 PCM_CONF
105 PCM_CROSS
102 OUTPUT_CONF
106 GPSO_CONF
90 INPUT_CONF
91 I_AUDIO_CONFIG_1
92 I_AUDIO_CONFIG_2
93 I_AUDIO_CONFIG_3
STA027
Type
RO
RO
RO
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
When
DWT
DWT
DWT
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
DEC
12/44
CD00066274

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