MCUmall EPROM BIOS Chip Burner Forum
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 Problem to program plc32 27c512		  New Topic  Reply to Topic
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Becoacamba

Venezuela
14 Posts
Posted - 09/21/2009 :  14:52:07  Show Profile  Reply with Quote
HI. my problem is that I have tried to program 2 eeprom plc32 27C512 TI and ST marks and no writing i am using adaptor plc32 to dip 28 left images I leave here hopefully you can help me this time ZML.

Image Insert:

120.78 KB

Image Insert:

153.12 KB
Reply #1

ZLM

2937 Posts
Posted - 09/23/2009 :  20:42:55  Show Profile  Reply with Quote
The chip is not blank. You have to erase the chip before write. If you chip is OTP chip, then you need a new chip.
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Reply #2

Becoacamba

Venezuela
14 Posts
Posted - 09/27/2009 :  05:11:37  Show Profile  Reply with Quote
I tried deleting both the erase option but the software shows me a message that tells me that this chip does not need to be deleted. it will be otp as you say?

Thx for your time ZLM.
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Reply #3

ZLM

2937 Posts
Posted - 09/27/2009 :  08:52:09  Show Profile  Reply with Quote
The chip only can be erased by UV eraser, not the programmer. If your chip is One Time Programmable (OTP) chip, then no way to erase it. Every time write you need a new chip.
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Reply #4

Becoacamba

Venezuela
14 Posts
Posted - 09/28/2009 :  07:32:37  Show Profile  Reply with Quote
this chip not have the glass that are usually uv chip erase. It will be Otp this are the image.

Image Insert:

171.05 KB



Image Insert:

26.19 KB
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Reply #5

Becoacamba

Venezuela
14 Posts
Posted - 09/28/2009 :  07:43:04  Show Profile  Reply with Quote
This is the image of chip.

Image Insert:

26.19 KB
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Reply #6

ZLM

2937 Posts
Posted - 09/28/2009 :  09:48:36  Show Profile  Reply with Quote
This is OTP EPROM chip. It only can be programmed once.
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Reply #7

kaleteam

Reunion Island
22 Posts
Posted - 02/05/2010 :  21:41:26  Show Profile  Reply with Quote
quote:
Originally posted by ZLM

This is OTP EPROM chip. It only can be programmed once.

and by which chip we can replace it...no OTP! please.
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