NEO-F0: Difference between revisions

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MVS specific chip.
MVS specific chip.


Handles the [[UPD4990]] calendar access, dipswitches, cab switches (test, service...), coin counters, LED and marquee outputs and slot selection signals for multi-slot boards.
Handles the [[RTC]] access, [[hardware DIPs]] reading, cab switches (test, service...), [[coin counter]]s, LED and [[marquee]] outputs, and slot selection signals for multi-slot boards.


SYSTEMB is used as an input to gate the SLOT* pins.
{{Sig|SYSTEMB|SYSTEMB}} is used to gate the SLOT* outputs.
 
To do: D0~7 are bidir. SLOTA~C are outputs.


=Pinout=
=Pinout=
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*D0~D7: 68k data bus
*D0~D7: 68k data bus
*4990*: [[uPD4990]] RTC interface
*4990*: [[uPD4990]] RTC interface
*DATA0~DATA7: [[MV-LED|Credits displays]] and [[cab marquee]] latch data output
*DATA0~DATA7: [[MV-LED|Credits displays]] and cab marquee latch data output
*DIP00~DIP07: [[DIPs|Dipswitch]] inputs
*DIP00~DIP07: DIP switches inputs
*IN3 (DIPRD1): Output IN300~IN304 to D0~D4 and CALTP/CALDOUT to D6/D7 (read $320001)
*IN3 {{Sig|DIPRD1|DIPRD1}}: Output IN300~IN304 to D0~D4 and CALTP/CALDOUT to D6/D7 (read $320001)
*DIPRD0: Output to D0~D7 depending on state of A7:
*{{Sig|DIPRD0|DIPRD0}}: Output to D0~D7 depending on state of A7:
** A7 low: output dipswitch states DIP00~DIP07 (read $300001)
** A7 low: output dipswitch states DIP00~DIP07 (read $300001)
** A7 high: output IN01 to D7 (test switch) and TYPE to D6 (read $300081)
** A7 high: output IN01 to D7 (test switch) and TYPE to D6 (read $300081)
*SLOTA~SLOTC: binary slot selection
*SLOTA~SLOTC: binary slot selection
*SLOT0~SLOT5: decoded slot selection
*SLOT0~SLOT5: decoded slot selection (active low)


MV1F:
MV1F:

Revision as of 18:07, 28 August 2016

NEO-F0 chip found on a MV1S MVS board.

MVS specific chip.

Handles the RTC access, hardware DIPs reading, cab switches (test, service...), coin counters, LED and marquee outputs, and slot selection signals for multi-slot boards.

SYSTEMB is used to gate the SLOT* outputs.

Pinout

File:Neo-f0 pinout.png

OpenOffice Draw file: File:Neo-f0.odg

  • A4~A7: 68k address bus
  • D0~D7: 68k data bus
  • 4990*: uPD4990 RTC interface
  • DATA0~DATA7: Credits displays and cab marquee latch data output
  • DIP00~DIP07: DIP switches inputs
  • IN3 DIPRD1: Output IN300~IN304 to D0~D4 and CALTP/CALDOUT to D6/D7 (read $320001)
  • DIPRD0: Output to D0~D7 depending on state of A7:
    • A7 low: output dipswitch states DIP00~DIP07 (read $300001)
    • A7 high: output IN01 to D7 (test switch) and TYPE to D6 (read $300081)
  • SLOTA~SLOTC: binary slot selection
  • SLOT0~SLOT5: decoded slot selection (active low)

MV1F:

  • IN00: Ground
  • IN01: Test switch
  • IN300: P1 Coin switch
  • IN301: P2 Coin switch
  • IN302: Service switch
  • IN303/IN304: VCC

MV2B:

  • IN303: NEO-E0 H6 50 (BNK0)
  • IN304: 3 of PRO-C0, NEO-E0 H6 48