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參數(shù)資料
| 型號： | AD7492ARU-5 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大小： | 194K |
| 代理商： | AD7492ARU-5 |
REV. 0
AD7492
–15–
AD7492 to 80C186 Interface
Figure 23 shows the AD7492 interfaced to the 80C186 micropro-
cessor. The 80C186 DMA controller provides two independent
high-speed DMA channels where data transfer can occur between
memory and I/O spaces. (The AD7492 occupies one of these I/O
spaces.) Each data transfer consumes two bus cycles, one cycle
to fetch data and the other to store data.
After the AD7492 has finished conversion, the BUSY line gen-
erates a DMA request to Channel 1 (DRQ1). As a result of the
interrupt, the processor performs a DMA READ operation
which also resets the interrupt latch. Sufficient priority must
be assigned to the DMA channel to ensure that the DMA
request will be serviced before the completion of the next con-
version. This configuration can be used with 6 MHz and 8 MHz
80C186 processors.
80C186
*
AD0
–
AD15
A16
–
A19
RD
DRQ1
ADDRESS/DATA BUS
DATA BUS
*
ADDITIONAL PINS OMITTED FOR CLARITY
ADDRESS
LATCH
ADDRESS
BUS
ADDRESS
DECODER
ALE
R
S
Q
AD7492
CONVST
RD
BUSY
DB0
–
DB9
(DB11)
OPTIONAL
CS
Figure 23. Interfacing to 80C186
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7492BR | 500kHz High Efficiency 3A Switching Regulator; Package: TO-220; No of Pins: 7; Temperature Range: 0°C to +70°C |
| AD7492BR-5 | 500kHz High Efficiency 3A Switching Regulator; Package: TO-220; No of Pins: 7; Temperature Range: 0°C to +70°C |
| AD7492BRU | Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators |
| AD7492BRU-5 | Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators |
| AD7501JN | 8-Channel Analog Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7492ARU-5-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 1.25Msps 12-bit Parallel 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1.25MSPS 12-BIT PARALLEL 24TSSOP - Tape and Reel |
| AD7492ARU-5-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1.25Msps 12-bit Parallel 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1.25MSPS 12-BIT PARALLEL 24TSSOP - Tape and Reel |
| AD7492ARU-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 12-bit Parallel 24-Pin TSSOP T/R |
| AD7492ARU-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 12-bit Parallel 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 12-BIT PARALLEL 24TSSOP - Tape and Reel |
| AD7492ARUZ | 功能描述:IC ADC 12BIT REF/CLOCK 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
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