NEO-DCR-T: Difference between revisions
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* Coin I/O | * Coin I/O | ||
* [[Memory_mapped_registers#System_registers|System register]] | * [[Memory_mapped_registers#System_registers|System register]] | ||
* [[Wait | * [[Wait cycle]] generator | ||
=Pinout= | =Pinout= | ||
Revision as of 04:58, 28 February 2017
| |
| Package | QFP100R |
| Manufacturer | 
|
| First use | 1995 ? |
| Used on | MV1B ... |
Chip found on late MVS boards and next to the DIP switches on ROM-Only boards.
- Address decoding
- Coin I/O
- System register
- Wait cycle generator
Pinout
Draft pinout: File:Neo-dcr.odg
- DIPRD0 and DIPRD1 go to a NEO-BUF chip to gate the remaining DIP switch bits and RTC inputs
- Pin 85 might be an input
- No memory card control signals ?