I thought fabbing chips involved a number of polluting substances which is why there was only a handful of chip fab facilities.
Ya mean it can be done at home ?
Search found 4 matches
- Fri Mar 23, 2018 2:55 pm
- Forum: General Discussions
- Topic: OT: a chip fab at home - detailed explanation
- Replies: 12
- Views: 3733
- Fri Mar 23, 2018 2:43 pm
- Forum: Programmable Logic
- Topic: FAL6567 back-burner project
- Replies: 55
- Views: 46046
Re: FAL6567 back-burner project
The Vic-II uses A0 to A13 to access memory, so shouldn't be a problem to plug that into the Vic-II socket, include
While the VIC-II outputs a0 to A13, only a0 to a5 from the cpu goto the VIC. a0 to a13 are output in a multiplexed fashion and on the bus when AEC is low. When AEC is high the cpu has ...
While the VIC-II outputs a0 to A13, only a0 to a5 from the cpu goto the VIC. a0 to a13 are output in a multiplexed fashion and on the bus when AEC is low. When AEC is high the cpu has ...
- Fri Mar 23, 2018 2:32 pm
- Forum: Newbies
- Topic: New user id
- Replies: 5
- Views: 4425
New user id
Not really a newbie but I got a new user id. (Used to be Rob Finch) I changed pc's and couldn't remember my old id. After trying about eight different combinations I gave up. Things were complicated by the fact I could not use the same email address for a new id. Then I could not receive a message ...
- Fri Mar 23, 2018 2:24 pm
- Forum: Hardware
- Topic: Behaviour during reset low
- Replies: 21
- Views: 10266
Re: Behaviour during reset low
Sounds like a hardware semaphore might be needed. Can you have a flip-flop (or counter) set by a read operation to lock an address range for the memory operation ? Reading would return the previous value of the ff while setting it at the same time so that the next requester knows it’s busy. If the ...