(c)LD 1997
(p)X-Trade 1998
create U#74 24.11.02

                    ZX-Bus(Spectrum Expert#2)

Ŀ
Z80BUS SIGNͻ
PINPIN NAME         15336                       15336
Ĵ        Ŀ                   Ŀ
 30 9A   A0A02A0BF B018A0'Ķ D02A0BF B018D0'Ķ
 3110A   A1A13A1<=>B117A1'Ķ D13A1<=>B117D1'Ķ
 3211A   A2A24A2   B216A2'Ķ D24A2   B216D2'Ķ
 3312A   A3A35A3   B315A3'Ķ D35A3   B315D3'Ķ
 3424A   A4A46A4   B414A4'Ķ D46A4   B414D4'Ķ
 3523A   A5A57A5   B513A5'Ķ D57A5   B513D5'Ķ
 3622A   A6A68A6   B612A6'Ķ D68A6   B612D6'Ķ
 3721A   A7A79A7   B711A7'Ķ D79A7   B711D7'Ķ
 3826B   A8Ķ        Ĵ                       Ĵ                
 3927A   A9GND19oOE               GND19oOE                
 4027B  A10/BACK1AB               DDIR.1AB                
  128A  A11Ķ                                     
  2 2A  A12Ķ                                                           
  3 2B  A13Ķ          15336                      15336             
  4 1A  A14Ķ        Ŀ                  Ŀ           
  5 1B  A15A82A0BF B018A8'Ķ /IORQ2A0BF B018/IORQ'Ķ
 14 6B   D0A93A1<=>B117A9'Ķ /MREQ3A1<=>B117/MREQ'Ķ
 15 7B   D1A104A2   B216A10'Ķ /RD4A2   B216/RD'Ķ
 12 8B   D2A115A3   B315A11'Ķ /WR5A3   B315/WR'Ķ
  811B   D3A126A4   B414A12'Ķ       6A4   B414        
  712B   D4A137A5   B513A13Ķ       7A5   B513        
  910B   D5A148A6   B612A14'Ķ       8A6   B612        
 10 9B   D6A159A7   B711A15'Ķ       9A7   B711        
 13 3B   D7Ķ        Ĵ                       Ĵ                
 2017B/IORQĶGND19oOE               GND19oOE                
 1916B/MREQĶ/BACK1AB               /BACK1AB                
 2118B  /RDĶ                                      
 2219B  /WRĶ                            ͹
 2519A/BURQ/RES/RES'Ķ                                
 2326A/BACK/NMI/NMI'Ķ           153315             
 2421B/WAIT/INT/INT'Ķ          Ŀ           
 2724B  /M1/BURQ/BURQ'      4 0MS              
 2825B/RFSH/BACK/BACK'GND3 1    Y55.Ķ
 1815B/HALT/WAIT/WAIT'+5V2 2                
  -13A/IOGE/RFSH/RFSH'/CROM'1 3                
  -25A/CROM/HALT/HALT'          Ĵ                
  -15A/CRGE/IOGE/IOGE'/CRGE'11A0                
  - 4B/DCGE/CROM/CROM'/IORQ'10A1   /Yo6        
  - 4A /DOS/CRGE/CRGE'      9ĴA2                
  - 8A /RAS/DCGE/DCGE'GND7oOE                
 11 3A  +5V/DOS/DOS'Ķ                     
 29 6A  GND/RAS/RAS'Ķ           153315             
 29 7A  GND+5V+5VĶ          Ŀ           
 2930A  GNDĶ      0.1mKF*7          +5V4 0MS              
 2930B  GNDĶGNDGND/IORQ'3 1    YDDIR.Ķ
ٺ       Ŀ      Ŀ             2 2                
               /M15  o42  o1/M1'GND1 3                
               GND6     3         +5V15 4                
    ZX < ͼ                    5.14 5                
                        15331                   13 6                
           Ŀ             VC.12 7                
  KT315               Ŀ     Ŀ                 Ĵ                
  Ĵ  /M1' 9  o1011  o13VC./IOGE'11A0                
         /IORQ'8     12         /RD'10A1   /Yo         
    <Ĵ                         /BACK'9ĴA2                
                     15331             GND7oOE                
 +5V /IOGE                                                      
 ͼ
P.S.  VC. , DDIR.  5. -  ᨣ 奬.


         ࣠ ࠧ ᨣ   奬

                            Ŀ
 奬 ZX <   24o /WAIT     
              Ĵ                
ᨣ /WAIT 設 <                
                                       
 奬 ZX <   16o /INT      
              Ĵ                
ᨣ /INT  設 <                
                                       
 奬 ZX <   17o /NMI      
              Ĵ                
ᨣ /NMI  設 <                
                                       
 奬 ZX <   25o /BURQ     
              Ĵ                
ᨣ /BURQ 設 <                
                                       
 奬 ZX <   20o /IORQ     
              Ĵ                
              Ŀ                 
ᨣ /IOGE 設 <                 
ᨣ /IOGE 設 <     
* १ 430-750 


  4 / 
         Ŀ
      9 1 o10ᨣ /RAS 設
    GND8   
          



     奬 ZX               Ŀ
  <20oCS ROM 
     奬 ZX                27512
     < X 22oOE     
                                 
                          
               Ŀ
                                       
           Ŀ      Ŀ   430-750
          5 1 o42 1 o1Ĵ
    6      3              
                              
        ᨣ CROM 設 <        
        ᨣ CRGE 設 <

