參數(shù)資料
型號(hào)： AT85C51SND3B1-7FTUL
廠商： Atmel
文件頁數(shù)： 100/119頁
文件大小： 0K
描述： IC DECODER/ENCODER DGTL 100CBGA
標(biāo)準(zhǔn)包裝： 90
類型： 音頻編碼器/解碼器
應(yīng)用： 移動(dòng)電話，手機(jī)，視頻顯示器
電壓 - 電源，數(shù)字： 1.65 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 100-TFBGA
供應(yīng)商設(shè)備封裝： 100-CTBGA（9x9）
包裝： 托盤
81
AT85C51SND3B
7632D–MP3–01/07
Figure 46. Immediate Data Flow Abort Diagram
Figure 47. Delayed Data Flow Abort Diagram
Data Flow Configuration
Prior to any operation, the DFC must be configured in term of clock source and channel
priority, then DFC can be enabled.
Each time a data flow must be established, a data flow descriptor must be written to the
DFC.
Interrupts
As shown in Figure 48, the DFC interrupt request is generated by 2 different sources:
the EOFI0 flag or EOFI1 flag in DFCSTA. Both sources can be enabled separately by
using the EOFE0 and EOFE1 bits in DFCCON. A global enable of the DFC interrupt is
provided by setting the EDFC bit in IENx register.
The interrupt is requested each time one of the 2 sources is asserted.
EOFI0 or EOFI1 flags are set:
at the end of a data flow on respective channel.
after an immediate abort command at the end of the byte transfer.
after a delayed abort at the end of the data packet transfer.
Note:
An abort command never sets flags while in the process of writing DFD.
EOFI0 and EOFI1 flags must be cleared by software by setting EOFIA0 and EOFIA1
bits in DFCCON, in order to acknowledge the interrupt. Setting these flags by software
has no effect.
Figure 48. DFC Interrupt System
Data bus
DFABTx
DFBSYx
DP
Remaining DP
N+1
N
N+2
Data bus
DFABTx
DFBSYx
DP
Remaining DP
N+1
N
N+2
EOFI1
DFCSTA.5
DFC
Interrupt
Request
EOFI0
DFCSTA.1
EOFE1
DFCCON.6
EDFC
IENx.y
EOFE0
DFCCON.2
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參數(shù)描述
AT85C51SND3B1N-DDV 功能描述:音頻 DSP Microcontroller 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
AT85C51SND3B1N-RTTUL 功能描述:音頻 DSP Microcontroller 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
AT85C51SND3B1-RTTUL 功能描述:音頻 DSP MP3/WMA USB2.0 w/o DAC+DC/DC 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
AT85C51SND3B2-RTTUL 功能描述:音頻 DSP Microcontroller 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
AT85C51SND3BX 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MP3 Microcontrollers
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