Namcot 163 family pinout: Difference between revisions

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m (Can't be CHR A18, there's only 256kB of address space. Fix up arrows on right side. Ascii art up a diamond instead of a rectangle)
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Namcot 163
Namcot 163: 48-pin QFP
                .----\/----.
                              /  \
(n) SOUND  <- |01     48| - CHR A14 (r)
            (n) SOUND  <- /01 48\ -> CHR A14 (r)
(r) CHR A13<- |02     47| - CHR A15 (r)
            (r) CHR A13 <- /02   47\ -> CHR A15 (r)
(r) CHR A12<- |03     46| -> CHR A16 (r)
          (r) CHR A12 <- /03     46\ -> CHR A16 (r)
(r) CHR A11<- |04     45| <- CHR A17 (r)
          (r) CHR A11 <- /04       45\ -> CHR A17 (r)
(s) CHR A10 -> |05     44| -> CHR A18  (r)*
        (s)*CHR A10 <- /05         44\ -> ?
        GND  - |06     43| -> +5v
                GND  - /06           43\ -- +5v
(r) PRG A18 <- |07     42| -> CIRAM /CE(n)
      (r) PRG A18 <- /07             42\ -> CIRAM /CE (n)
(r) PRG A17 <- |08     41| -> CHRROM/CE(r)
      (r) PRG A17 <- /08               41\ -> CHRROM /CE (r)
(r) PRG A16 <- |09     40| <- WRAM /CE(w)*
    (r) PRG A16 <- /09                 40\ -> *WRAM /CE (w)
(r) PRG A15 <- |10     39| <- /IRQ     (n)
    (r) PRG A15 <- /10                   39\ -> /IRQ (n)
(r) PRG A14 <- |11     38| <- CHR A10 (n)
  (r) PRG A14 <- /11                     38\ <- CHR A10 (n)
(r) PRG A13 <- |12     37| <- CHR A11 (n)
  (r) PRG A13 <- /12                       37\ <- CHR A11 (n)
(s)  PRG D7<-> |13     36| -> CHR A12 (n)
  (s)  PRG D7 <-> \13                       36/ <- CHR A12 (n)
(s)  PRG D6<-> |14     35| -> CHR A13 (n)
  (s)  PRG D6 <-> \14                     35/ <- CHR A13 (n)
(s)  PRG D5<-> |15     34| -> GND
    (s)  PRG D5 <-> \15                   34/ -- GND?
(s)  PRG D4<-> |16     33| -> GND
    (s)  PRG D4 <-> \16                 33/ <- CHR nRD (n)
(s)  PRG D3<-> |17     32| -> +5V*
      (s)  PRG D3 <-> \17               32/ -- +5V
(s)  PRG D2<-> |18     31| - GND
      (s)  PRG D2 <-> \18             31/ -- GND
(s)  +5v   -  |19     30| -> M2       (n)
                +5v -  \19           30/ <- M2 (n)
(s)  PRG D1<-> |20     29| -> PRG R/W (s)
        (s)  PRG D1 <-> \20         29/ <- PRG R/W (n,w)
(s)  PRG D0<-> |21     28| -> PRG /CE (n)
          (s)  PRG D0 <-> \21       28/ <- PRG /CE (n)
        GND  -  |22     27| -> PRG A14 (n)
                  GND  -  \22     27/ <- PRG A14 (n)
(r) PRG /CE -> |23     26| -> PRG A13 (n)
            (r) PRG /CE -> \23   26/ <- PRG A13 (n)
(s) PRG A11 -> |24     25| -> PRG A12 (s)
            (s) PRG A11 -> \24 25/ <- PRG A12 (s)
                `----------'
                              \  /
  32 This is used to power the waveform RAM. Can be used as backup memory if connected to a battery
                              \_/
05 also connects to CIRAM A10
  19 Some boards connect a battery (through a standard diode switch) to this pin to make the waveform memory nonvolatile
32 Some boards connect a battery to this pin instead
33 Ground this pin with if CHR's nOE and nCS lines are separate
34 Probably an input instead of a power supply, can't find an example of it being used
  40 6264 /CE connected to this pin
  40 6264 /CE connected to this pin
  44 Not sure about this as it could be a special enable for CHR RAM instead, NC on my board
  44 Might be an enable for CHR RAM, can't find an example of it being used
 
The Namcot 129, 175, and 340 are very similar, but not identical.

Revision as of 01:47, 19 June 2012

Namcot 163: 48-pin QFP 

                             /   \
            (n) SOUND   <-  /01 48\ -> CHR A14 (r)
           (r) CHR A13 <-  /02   47\ -> CHR A15 (r)
          (r) CHR A12 <-  /03     46\ -> CHR A16 (r)
         (r) CHR A11 <-  /04       45\ -> CHR A17 (r)
        (s)*CHR A10 <-  /05         44\ -> ?
               GND  -  /06           43\ -- +5v
      (r) PRG A18 <-  /07             42\ -> CIRAM /CE (n)
     (r) PRG A17 <-  /08               41\ -> CHRROM /CE (r)
    (r) PRG A16 <-  /09                 40\ -> *WRAM /CE (w)
   (r) PRG A15 <-  /10                   39\ -> /IRQ (n)
  (r) PRG A14 <-  /11                     38\ <- CHR A10 (n)
 (r) PRG A13 <-  /12                       37\ <- CHR A11 (n)
 (s)  PRG D7 <-> \13                       36/ <- CHR A12 (n)
  (s)  PRG D6 <-> \14                     35/ <- CHR A13 (n)
   (s)  PRG D5 <-> \15                   34/ -- GND?
    (s)  PRG D4 <-> \16                 33/ <- CHR nRD (n)
     (s)  PRG D3 <-> \17               32/ -- +5V
      (s)  PRG D2 <-> \18             31/ -- GND
               +5v  -  \19           30/ <- M2 (n)
        (s)  PRG D1 <-> \20         29/ <- PRG R/W (n,w)
         (s)  PRG D0 <-> \21       28/ <- PRG /CE (n)
                  GND  -  \22     27/ <- PRG A14 (n)
           (r) PRG /CE  -> \23   26/ <- PRG A13 (n)
            (s) PRG A11  -> \24 25/ <- PRG A12 (s)
                             \   /
                              \_/
05 also connects to CIRAM A10
19 Some boards connect a battery (through a standard diode switch) to this pin to make the waveform memory nonvolatile
32 Some boards connect a battery to this pin instead
33 Ground this pin with if CHR's nOE and nCS lines are separate
34 Probably an input instead of a power supply, can't find an example of it being used
40 6264 /CE connected to this pin
44 Might be an enable for CHR RAM, can't find an example of it being used

The Namcot 129, 175, and 340 are very similar, but not identical.

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