DOUTA, D
參數(shù)資料
型號: ADSP-BF506BSWZ-4F
廠商: Analog Devices Inc
文件頁數(shù): 17/80頁
文件大?。?/td> 0K
描述: IC DSP 400MHZ 1.4V 120LQFP
視頻文件: Blackfin? BF50x Processor Family
標準包裝: 1
系列: Blackfin®
類型: 定點
接口: CAN,EBI/EMI,I²C,IrDA,PPI,SPI,SPORT,UART/USART
時鐘速率: 400MHz
非易失內存: 閃存(16MB)
芯片上RAM: 68kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.29V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 120-LQFP 裸露焊盤
供應商設備封裝: 120-LQFP-EP(14x14)
包裝: 托盤
Rev. A
|
Page 24 of 80
|
July 2011
ADSP-BF504/ADSP-BF504F/ADSP-BF506F
DOUTA, DOUTB
O
Serial Data Outputs. The data output is supplied to each pin as a serial data stream. The bits are clocked
out on the falling edge of the ADSCLK input and 14 ADSCLKs are required to access the data. The data
simultaneously appears on both pins from the simultaneous conversions of both ADCs. The data stream
consists of two leading zeros followed by the 12 bits of conversion data. The data is provided MSB first.
If CS is held low for 16 ADSCLK cycles rather than 14, then two trailing zeros will appear after the 12 bits
of data. If CS is held low for a further 16 ADSCLK cycles on either DOUTA or DOUTB, the data from the other
ADC follows on the DOUT pin. This allows data from a simultaneous conversion on both ADCs to be
gathered in serial format on either DOUTA or DOUTB using only one serial port. For more information, see
VDRIVE
P
Logic Power Supply Input. The voltage supplied at this pin determines at what voltage the digital I/O
interface operates. This pin should be decoupled to DGND. The voltage at this pin may be different than
that at AVDD and DVDD but should never exceed either by more than 0.3 V.
DVDD
P
Digital Supply Voltage, 2.7 V to 5.25 V. This is the supply voltage for all digital circuitry on the internal
ADC. The DVDD and AVDD voltages should ideally be at the same potential and must not be more than
0.3 V apart even on a transient basis. This supply should be decoupled to DGND.
Table 12. ADC—Signal Descriptions (ADSP-BF506F Processor Only) (Continued)
Signal Name
Type Function
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