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PDF AT85C51SND3 Data sheet ( Hoja de datos )
| Número de pieza | AT85C51SND3 | |
| Descripción | Single Chip Digital Audio Decoder - Encoder | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Audio Processor
– Proprietary Digital Signal Processor
– MP3 (Full MPEG I/II-Layer 3) Decoder (1)
– Windows Media® Audio (WMA) Decoder (1)
– OGG (Vorbis) Decoder (2)
– WAV PCM Decoder/Encoder
– ADPCM Decoder/Encoder (G726: 40, 32, 24, 16 Kbps)
• Audio Codec
– 16-bit Stereo D/A Converters(3)
– Headphone Amplifier with Analog Volume Control(3)
– Microphone Pre-Amplifier with Bias Control
– 16-bit Mono A/D Converter: Microphone or Line Inputs Recording
– Stereo Lines Input for FM Playback or Mono Recording
– Baseband Sound Processor with Digital Volume Control, Bass, Medium, and
Treble Control, Bass Boost and Virtual Surround Effects
• Digital Audio DAC Interface
– PCM / I2S Format Compatible
• USB Rev 2.0 Controller
– High Speed Mode (480 Mbps)
– Full Speed Mode (12 Mbps)
– On The Go Full Speed Mode
• Data Flow Controller
– 16-bit Multimedia Bus with 2 DMA Channels for high speed transfer with USB
• Nand Flash Controller
– Up to four Memories with Page Size: 512B, 1KB, 2KB or 4KB
– Built-in ECC and Hardware Write Protection
– xD-Picture Card™ and SmartMedia® Card Interface
• MultiMediaCard® Controller
– MultiMediaCard 1-bit / 4-bits Modes (V4.0 compatible)
– Secure Digital Card 1-bit / 4-bit Modes
• Man Machine Interface
– Glueless Generic LCD Interface
– Keyboard Interface
• Remote Controlled / Streaming
– PSI I80 Slave Interface (EBI Compatible) up to 6Mbyte/s
– SPI Master and Slave Modes
– Full Duplex UART with Baud Rate Generator up to 6 Mbit/s (Rx, Tx, RTS, CTS)
• Control Processor
– Enhanced 8-bit MCU C51 Core (FMAX = 24 MHz)
– 64K Bytes of Internal RAM for application code and data
– Boot ROM Memory: Secured Nand Flash Boot Strap (standard), USB Boot Loader
– Two 16-bit Timers/Counters
– Hardware Watchdog Timer
• Power Management
– 1.8V 40 mA Single AAA or AA Battery Powered(4)
– Direct USB VBUS Supply
– 3V - 50 mA Regulator Output
– 1.8V - 50 mA Regulator Output
– Battery Voltage Monitoring
– Power-on Reset
– Software Programmable MCU Clock
– Idle, Power-Down, Power-Off Modes
• On Chip Debug
• Operating Conditions
– Supply 0.9V to 5V
– 25 mA Typical Operating at 25°C (estimation to be confirmed)
– Temperature Range: -40°C to +85°C
Single-Chip
Digital Audio
Decoder -
Encoder with
USB 2.0
Interface
AT85C51SND3B1
AT85C51SND3B2
AT85C51SND3B3
Preliminary
7632A–MP3–03/06
1
1 page  
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AT85C51SND3Bx
Low Voltage 3V System
Figure 3. Typical Low Voltage 3V Application
AT85C51SND3B2
3V NF Memories
Write Protect
SD/MMC
FM Module
3V DC-DC
HVDD
LCD
7632A–MP3–03/06
5
5 Page 
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Audio Processor
7632A–MP3–03/06
AT85C51SND3Bx
Signal
Name Type Description
USB OTG Identifier Input
UID I This pin monitors the function of the OTG device.
Note: This input is requested for OTG mode.
UVCC
ULVDD
USB Supply Voltage
PWR
Connect this pin to USB VBUS power line.
USB Pad Low Voltage
PWR
Connect this pin to LVDD pin.
USB Pad High Voltage
UHVDD PWR
Connect this pin to HVDD pin.
UVSS GND USB Ground
UBIAS
O
USB Bias
Connect this pin to external resistor and capacitor.
Table 8. I2S Output Description
Signal
Name
OCLK
DCLK
DDAT
DSEL
Type Description
O Over-sampling Clock Line
O Data Clock Line
O Data Lines
O Data Channel Selection Line
Table 9. Audio Codec Description
Signal
Name Type Description
LINR
I Right Channel Analog Input
LINL
I Left Channel Analog Input
MICIN
I Electret Microphone Analog Input
MICBIAS O Electret Microphone Bias Output
OUTR
Right Channel Output
O
Do not connect on AT85C51SND3B1 product
OUTL
O
Left Channel Output
Do not connect on AT85C51SND3B1 product
AVCM
Analog Common Mode Voltage
I
Connect this pin to external decoupling capacitor.
AREF
Analog Reference Voltage
O
Connect this pin to external decoupling capacitor.
Analog Power Supply 1
AVDD1 PWR
Connect this pin to LVDD pin.
Analog Ground 1
AVSS1 GND
Connect this pin to LVSS pin.
Alternate
Function
P3.7
-
-
-
-
Alternate
Function
P4.0
P4.1
P4.2
P4.3
Alternate
Function
-
-
-
-
-
-
-
-
-
-
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AT85C51SND3.PDF ] | |
Hoja de datos destacado
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