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STA310 Datasheet(PDF) 87 Page - STMicroelectronics

Part # STA310
Description  62-CH. MULTISTANDARD AUDIO DECODER
PDF  90 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA310 Datasheet(HTML) 87 Page - STMicroelectronics

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STA310
INIT_RAM
RAM initialization
Address : 0xFF
Type: RO
Software Reset: 1
Hardware Reset: 0
Description:
The register is used to signal when the STA310 has finished to boot.
After a soft reset or a hardware reset, or a hardware reset, the host processor must wait until INIT_RAM hold
the value “1”.
the host can then start to configure the STA310 according to its application
APPENDIX A OVERVIEW OF THE CHIP
This STA310 is based on a very high performances low power general purpose DSP core, MMDSP+, and a set
of dedicated peripherals. Internal audio and system PLL allows to configure the chip for a wide range of audio
frequencies and DSP processing power (1 to 100 Mips).
A.1 Architectural Block Diagram
765
432
1
0
Reserved
RAM_INIT
ST ASDSP
Xbus
Ybus
Emulation
18Kx24
Rom
15Kx24
Ram
32 Kinstr
Rom
S/Pdif
in
I2S
Packet
Parser
Frame Buffer
32k x 8
Parallel
Audio
Parser
Dbit/Nbit
DMA x 3
pcm
RS232
Data in
Host
host
registers
Sys PLL
in
in/out
slave
1WS Mem
Audio PLL
Two
MMDSP+
core
Parallel
I2C
64Kx8
2048 bits
input FIFO
CRC
checkers
256x24
Ram
768words
Ram
S/Pdiff
out
4x2
out
CNA interf
I2S/Sony
DMA
4Kx16
Ram
Second Serial Input
I2Sin



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