MCUmall EPROM BIOS Chip Burner Forum
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T O P I C    R E V I E W
KML85 Posted - 04/20/2022 : 06:14:51
Hi

Im trying to understand how to add my own chip to read the data.
the chips are very similar to say 27C010 but with a few pins in other locations and also thc ROM is just 28pin not 32pin

128KB ROM in 28 pin package

only things that is different is:
OE on the eprom is A16 (pin 24 on eprom) on the ROM and pin 28 on the ROM is VCC (on eprom its NC)

Can someone explain how I can add a custom device for this?
I have read the rom successfully by manualy re-routing the pins with wires

regards

3   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 04/20/2022 : 08:30:15
quote:
Originally posted by KML85

quote:
Originally posted by anniel

quote:
Originally posted by KML85

Hi

Im trying to understand how to add my own chip to read the data.
the chips are very similar to say 27C010 but with a few pins in other locations and also thc ROM is just 28pin not 32pin

128KB ROM in 28 pin package

only things that is different is:
OE on the eprom is A16 (pin 24 on eprom) on the ROM and pin 28 on the ROM is VCC (on eprom its NC)

Can someone explain how I can add a custom device for this?
I have read the rom successfully by manualy re-routing the pins with wires

regards



Use the correct device class.



Could you explain how to add a custom chip, your comment is beyond usefull

All the details are in the devices.txt, simply read it.
KML85 Posted - 04/20/2022 : 08:26:05
quote:
Originally posted by anniel

quote:
Originally posted by KML85

Hi

Im trying to understand how to add my own chip to read the data.
the chips are very similar to say 27C010 but with a few pins in other locations and also thc ROM is just 28pin not 32pin

128KB ROM in 28 pin package

only things that is different is:
OE on the eprom is A16 (pin 24 on eprom) on the ROM and pin 28 on the ROM is VCC (on eprom its NC)

Can someone explain how I can add a custom device for this?
I have read the rom successfully by manualy re-routing the pins with wires

regards



Use the correct device class.



Could you explain how to add a custom chip, your comment is beyond usefull
anniel Posted - 04/20/2022 : 08:16:25
quote:
Originally posted by KML85

Hi

Im trying to understand how to add my own chip to read the data.
the chips are very similar to say 27C010 but with a few pins in other locations and also thc ROM is just 28pin not 32pin

128KB ROM in 28 pin package

only things that is different is:
OE on the eprom is A16 (pin 24 on eprom) on the ROM and pin 28 on the ROM is VCC (on eprom its NC)

Can someone explain how I can add a custom device for this?
I have read the rom successfully by manualy re-routing the pins with wires

regards



Use the correct device class.

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