Difference between revisions of "NEO-F0"

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*A4~A7: [[68k]] address bus
 
*A4~A7: [[68k]] address bus
 
*D0~D7: 68k data bus
 
*D0~D7: 68k data bus
*4990: [[uPD4990]] RTC interface
+
*4990*: [[uPD4990]] RTC interface
*DATA0~DATA7: LED marquee latch data
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*DATA0~DATA7: LED marquee latch data output
*SLOT*: /CS for multislot boards ?
 
 
*DIP00~DIP07: [[DIPs|Dipswitch]] inputs
 
*DIP00~DIP07: [[DIPs|Dipswitch]] inputs
*IN3: Output IN300~IN302 to D0~D2 and CALTP/CALDOUT to D6/D7 (read $320001)
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*IN3: Output IN300~IN304 to D0~D4 and CALTP/CALDOUT to D6/D7 (read $320001)
*DIPRD: Output to D0~D7 depending on state of A7 (from
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*DIPRD: Output to D0~D7 depending on state of A7
** A7 is low: output DIP00~DIP07 (read $300001)
+
** A7 low: output dipswitch states DIP00~DIP07 (read $300001)
** A7 is 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)
*BITW0: writes to $3800x1 region...(fill in)
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*BITWD0: writes to $3800x1 region...(fill in)
*SLOTA~SLOTC: slot selection
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*SLOTA~SLOTC: binary slot selection
 
*SLOT0~SLOT5: decoded slot selection
 
*SLOT0~SLOT5: decoded slot selection
 +
 
MV1F:
 
MV1F:
 
*IN00: Ground
 
*IN00: Ground
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*IN302: Service switch
 
*IN302: Service switch
 
*IN303/IN304: VCC
 
*IN303/IN304: VCC
 +
 +
MV2B:
 +
*IN304: 3 of PRO-C0, NEO-E0 H6 48
 +
*IN303: NEO-E0 H6 50 (BNK0)
  
 
[[Category:Chips]]
 
[[Category:Chips]]

Revision as of 20:47, 13 August 2012

NEO-F0 chip found on a MV1S MVS board.

MVS specific chip.

Handles the UPD4990 calendar access, dipswitches, cab switches (test, service...), coin counters, LED marquee outputs and slot selection signals for multi-slot boards.

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: LED marquee latch data output
  • DIP00~DIP07: Dipswitch inputs
  • IN3: Output IN300~IN304 to D0~D4 and CALTP/CALDOUT to D6/D7 (read $320001)
  • DIPRD: 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)
  • BITWD0: writes to $3800x1 region...(fill in)
  • SLOTA~SLOTC: binary slot selection
  • SLOT0~SLOT5: decoded slot selection

MV1F:

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

MV2B:

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