NEO-DCR-T
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 state generator
Pinout
Todo: COUNT* are outputs. BOARD go to the vertical board on MV1B.
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
- Some BOARD pins must be ROMOE*, PORTOE*, PORTWE*... SFIX select...
- No memory card control signals ?