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參數資料
型號: ADSP-21266SKBC-2B
廠商: ANALOG DEVICES INC
元件分類: 數字信號處理
英文描述: SHARC Embedded Processor
中文描述: 16-BIT, 66.67 MHz, OTHER DSP, PBGA136
封裝: MO-205AE, BGA-136
文件頁數: 33/44頁
文件大小: 426K
代理商: ADSP-21266SKBC-2B
ADSP-21266
Rev. B
|
Page 33 of 44
|
May 2005
Parallel Data Acquisition Port (PDAP)
The timing requirements for the PDAP are provided in
Table 29
and
Figure 24
. PDAP is the parallel mode operation of
Channel 0 of the IDP. For details on the operation of the IDP,
see the IDP chapter of the
ADSP-2126x Peripherals Manual
.
Note that the most significant 16 bits of external PDAP data can
be provided through either the parallel port AD15
0 or the
DAI_P20
5 pins. The remaining four bits can only be sourced
through DAI_P4
1. The timing below is valid at the
DAI_P20
1 pins or at the AD15
0 pins.
Table 29. Parallel Data Acquisition Port (PDAP)
Parameter
Timing Requirements
t
SPCLKEN
t
HPCLKEN
t
PDSD
t
PDHD
t
PDCLKW
t
PDCLK
Min
Max
Unit
PDAP_CLKEN Setup Before PDAP_CLK Sample Edge
1
PDAP_CLKEN Hold After PDAP_CLK Sample Edge
1
PDAP_DAT Setup Before SCLK PDAP_CLK Sample Edge
1
PDAP_DAT Hold After SCLK PDAP_CLK Sample Edge
1
Clock Width
Clock Period
2.5
2.5
2.5
2.5
7
20
ns
ns
ns
ns
ns
ns
Switching Characteristics
t
PDHLDD
t
PDSTRB
1
Source pins of DATA are ADDR7
0, DATA7
0, or DAI pins. Source pins for SCLK and FS are: 1) DAI pins, 2) CLKIN through PCG, or 3) DAI pins through PCG.
Delay of PDAP Strobe After Last PDAP_CLK Capture Edge for a Word
PDAP Strobe Pulse Width
2 × t
CCLK
1 × t
CCLK
– 1
ns
ns
Figure 24. Parallel Data Acquisition Port (PDAP)
DAI_P20–1
(PDAP_CLK)
SAMPLE EDGE
t
PDSD
t
PDHD
t
SPCLKEN
t
HPCLKEN
t
PDCLKW
DATA
DAI_P20–1
(PDAP_CLKEN)
t
PDSTRB
t
PDHLDD
DAI_P20–1
(PDAP_STROBE)
t
PDCLK
相關PDF資料
PDF描述
ADSP-21266SKBCZ-2B SHARC Embedded Processor
ADSP-21266SKBCZ-2C SHARC Embedded Processor
ADSP-21266SKBCZ-2D SHARC Embedded Processor
ADSP-21266SKSTZ-1B SHARC Embedded Processor
ADSP-21266SKSTZ-1C SHARC Embedded Processor
相關代理商/技術參數
參數描述
ADSP-21266SKBCZ-2B 制造商:Analog Devices 功能描述:
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ADSP-21266SKBCZ-2D 功能描述:IC DSP 32BIT 200MHZ 136-CSPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數字式信號處理器) 系列:SHARC® 標準包裝:2 系列:StarCore 類型:SC140 內核 接口:DSI,以太網,RS-232 時鐘速率:400MHz 非易失內存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA,FCBGA 供應商設備封裝:431-FCPBGA(20x20) 包裝:托盤
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ADSP-21266SKSTZ-1C 制造商:Analog Devices 功能描述:DSP Floating-Point 32-Bit 150MHz 150MIPS 144-Pin LQFP 制造商:Analog Devices 功能描述:DSP FLOATING PT 32BIT 150MHZ 150MIPS 144LQFP - Trays
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