NEO-DCR-T
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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
- 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 ?