NEO-DCR-T

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Neo-dcr-t.jpg
Package QFP100R
Manufacturer Logo toshiba.jpg
First use 1995 ?
Used on MV1B ...

Chip found on late MVS boards and next to the DIP switches on ROM-Only boards.

Pinout

Todo: COUNT* are outputs. BOARD go to the vertical board on MV1B.

File:Neo-dcr pinout.png

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 ?