參數(shù)資料
型號(hào)： SAF7847HL
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： One chip CD audio device with integrated MP3-WMA decoder
中文描述： COLOR SIGNAL DECODER, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, SOT486-1, MS-026, PLASTIC, QFP-144
文件頁數(shù)： 65/93頁
文件大?。?/td> 396K
代理商： SAF7847HL
SAF784X_2
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 9 May 2008
65 of 93
NXP Semiconductors
SAF784x
One chip CD audio device with integrated MP3/WMA decoder
Once the interrupt has been triggered, it will remain asserted until cleared by the
Inreq_Clr signal. However, after being cleared, it is then free to fire again on the next
transition.
Note that the register bit INREQ_CLR retains the latest value written by the ARM
processor so a typical sequence will be to write logic 0 followed some time later by logic 1
in order to return to the non-reset state.
6.9.3
Segmentation buffer ARM sub-system interface
The segmentation buffer access to the ARM sub-system is fully synchronous. The
implementation allows for minimum latency-overhead so as to maximize the available
bandwidth on the ARM processor. The synchronous interface is AMBA AHB-compliant.
Note: The synchronous transfers are initiated by the Direct Memory Access (DMA)
controller. Once sector transfer has been initiated, the recommendation is that these
transfers should not be interrupted and the application must allow for the complete sector
to be copied to the main ARM sub-system 110 kB internal memory.
Fig 36. SAF784x data path with segmentation manager
001aag347
ARM7TDMI-S
(MASTER)
AHB
SYNCHRONOUS
INTERFACE
MiMeD2
DMA
MASTER
multi-layer
AHB bus
16
15
32
32
32
C2I
CD SLIM
BLOCK
DECODER
AHB
ROM
ACU
ARBITRATION
INTERRUPT
HANDLING
SEGMENTATION
MEMORY
SEGMENTATION
MANAGER
AHB
RAM
I
2
S
HANDLER
SRC
DEM DAC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF7847HL/M201,557 功能描述:音頻 DSP 1 chip CD Audio Dev w/Integrated decoder RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7849HL/M245,557 功能描述:音頻 DSP IC AUD DECODER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7849HL/M295,557 功能描述:音頻 DSP IC AUD DECODER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
SAF7860HL/M2,557 制造商:NXP Semiconductors 功能描述:DSP
SAF82520PVB2 制造商:SIEMENS 功能描述:New
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