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Forum: FPGA, VHDL & Verilog Read data from adc0809 with FPGA


Author: Duc Le huu (huuduc051)
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Hello! i working a project use ADC0809. i need read data from adc0809, 
but my code not work. could you give me some documents? thanks you

Author: Lothar Miller (lkmiller) (Moderator)
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Duc L. wrote:
> Hello! i working a project use ADC0809.
What language?
What hardware?
What toolchain?

> but my code not work.
Show it.

> could you give me some documents?
The ADC0809 is a fairly simple and ancient device. See figure 7 in the 
datasheet. It explains all:
http://www.ti.com/lit/ds/symlink/adc0808-n.pdf

One question about posting in the FPGA forum: the ADC0809 has a 5V 
interface, how do you connect this zombie to a FPGA?

Author: Duc Le huu (huuduc051)
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i use verilog language, kit DE1. in "Fifo.png" figure, express state 
machine to read data adc0809 (by me). "read_adc.v, fifo.v, pll.v" is my 
code.

Author: Arty Berne (Company: Bittele) (artyberne)
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I want to know something about your ADC0809. Please tell me what are 
specifications of this this component?
Also what are other hardware components in your setup?
What is the range of data that you want to acquire?
Also can you please post your code here?

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