Needham's Electronics: Difference between revisions

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Formerly Dataman?
Formerly Dataman?


<nowiki>https://www.docentelectronics.com/httpdocs/Needham/needham_electronics.htm</nowiki>
Notable for letting set programming voltage


== EMP-20 ==
https://www.docentelectronics.com/httpdocs/Needham/needham_electronics.htm
 
==EMP-10==
Modules: <nowiki>https://forums.arcade-museum.com/archive/index.php/t-405409.html</nowiki>
 
==EMP-20==
seems pretty popular, but parallel interface
seems pretty popular, but parallel interface


<nowiki>http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html</nowiki>
http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html
 
[[File:Emp-20 volt.png|none|thumb]]
 
Above: EMP-20 allows forcing VCC/VPP
 
<nowiki>http://www.docentelectronics.com/httpdocs/Chip%20Masters/Needham/EMP-20/EMP-20%20DEVICE%20LIST.htm</nowiki>  
 
Lists some of the required modules (ex: 02A for 8742)
==EMP-21==
 
USB
 
EMP-20 vs EMP-21
 
*https://twitter.com/johndmcmaster/status/1152975472302575616
*Doesn't support voltage level tweaking
*Doesn't support 8048
 


== EMP-100 ==
==EMP-100==
USB interface
USB interface

Latest revision as of 06:06, 13 September 2019

Formerly Dataman?

Notable for letting set programming voltage

https://www.docentelectronics.com/httpdocs/Needham/needham_electronics.htm

EMP-10

Modules: https://forums.arcade-museum.com/archive/index.php/t-405409.html

EMP-20

seems pretty popular, but parallel interface

http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html

Above: EMP-20 allows forcing VCC/VPP

http://www.docentelectronics.com/httpdocs/Chip%20Masters/Needham/EMP-20/EMP-20%20DEVICE%20LIST.htm

Lists some of the required modules (ex: 02A for 8742)

EMP-21

USB

EMP-20 vs EMP-21


EMP-100

USB interface