2001 Mapper pinout

Bandai 2001: 48-pin 0.5mm pitch TQFP

                D4 <> /01 o 48\ <> D5                   
               D3 <> /02     47\ <> D6                  
              D2 <> /03       46\ <> D7                 
             D1 <> /04         45\ -> SRAM /CS          
            D0 <> /05           44\ -- Vcc              
          Gnd -- /06             43\ -> ROM /CS         
          A0 -> /07               42\ -> ROM A18        
         A1 -> /08                 41\ -> ROM A19       
       Vcc -- /09                   40\ -- Gnd          
       A2 -> /10                     39\ -> ROM A21     
      A3 -> /11                       38\ -> ROM A20    
CPU A19 -> /12         BANDAI          37\ -> ROM A16   
CPU A18 -> \13          2001           36/ -> ROM A17   
 CPU A17 -> \14                       35/ -> ROM A22    
  CPU A16 -> \15                     34/ -- nc          
       Vcc -- \16                   33/ -> Microwire CS 
     /Reset ?> \17                 32/ -> Microwire DI  
        /MBC <- \18               31/ <- Microwire DO   
         M/IO -> \19             30/ -- Vcc             
           /RD -> \20           29/ -> Microwire SK     
            /WR -> \21         28/ ?? Gnd               
            /SEL -> \22       27/ ?? Gnd                
              CLK -> \23     26/ ?? Gnd                 
               Gnd -- \24 O 25/ ?? Gnd                  

Note the orientation of the text: "Bandai 2001" when viewed upright specifies pin 1 is bottom face, leftmost.