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參數資料
| 型號： | AD9854 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | XO, clock |
| 英文描述： | CMOS 300MHz Quadrature Complete-DDS |
| 中文描述： | 300MHz CMOS正交DDS數字合成器 |
| 文件頁數： | 21/28頁 |
| 文件大?。?/td> | 589K |
| 代理商： | AD9854 |
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AD9854 PRELIMINARY TECHNICAL DATA
_____________________________________________________________________________________________________
AD9854/52 Parallel Port Read Timing Diagram
7/16/99 REV.PRA
21
Serial Port IO Operation
With the SPSELECT pin tied low, the serial IO mode
is active. T
he AD9854/52 serial port is a flexible,
synchronous serial communications port allowing easy
interface to many industry standard microcontrollers and
microprocessors. The serial I/O is compatible with most
synchronous transfer formats, including both the Motorola
6905/11 SPI and Intel 8051 SSR protocols. The interface
allows read/write access to all 12 registers that configure
the AD9854/52 and
can be configured as a single pin IO
(SDIO) or two unidirectional pins for in/out
(SDIO/SDO). Data transfers are supported in most
significant bit (msb) first format or least significant bit
(lsb) first format at up to 10Mhz.
When configured for serial IO operation, most pins
from the AD9854/52 parallel port are inactive; some
are used for the serial IO. Table x below describes pin
requirements for serial IO.
Pin Number
1,2,3,4,5,6,7,8
14,15,16
17
18
19
20
21
22
Pin Name
D[7:0]
A[5:3]
A2
A1
A0
I/O UD
WRB
RDB
Serial IO Description
The parallel data pins are not active, tie to VDD or GND
The parallel address pins A5, A4, A3 are not active, tie to VDD or GND
IORESET
SDO
SDIO
Update Clock. Same functionality for Serial Mode as Parallel Mode
SCLK
CSB – Chip Select
February 22, 1999
D<7:0>
A<5:0>
A
2
A
3
D
3
____
RD
Specification Value Description
T
ADV
tbd Address To Data Valid Time (maximum)
T
ADH
tbd Address Hold Time To RD Signal Inactive (minimum)
T
RDLOV
tbd RD Low to Output Valid (maximum)
T
RDHOZ
tbd RD High To Data Tristate (maximum)
D
2
A
1
T
AHD
D
1
T
RDHOZ
T
RDLOV
T
ADV
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9854/PCB | 制造商:Analog Devices 功能描述:Evaluation Board For IC Digital Synthesizer Single 制造商:Analog Devices 功能描述:Direct Digital Synthesizer IC (DDS) |
| AD9854/PCBZ | 功能描述:BOARD EVAL FOR AD9854 RoHS:是 類別:編程器，開發系統 >> 評估演示板和套件 系列:AgileRF™ 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| AD9854ASQ | 制造商:Analog Devices 功能描述:IC DDS SYNTHESIZER |
| AD9854ASQZ | 制造商:Analog Devices 功能描述:Direct Digital Synthesizer 300MHz 2-DAC 12-Bit Parallel/Serial 80-Pin LQFP 制造商:Analog Devices 功能描述:Communication IC |
| AD9854AST | 制造商:Analog Devices 功能描述:Direct Digital Synthesizer 300MHz 2-DAC 12-Bit Parallel/Serial 80-Pin LQFP Tray 制造商:Rochester Electronics LLC 功能描述:200 MHZ QUADRATURE DDS SYNTHESIZER - Tape and Reel 制造商:Analog Devices 功能描述:IC SEMICONDUCTOR ((NS)) |
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