Namcot 163 family pinout: Difference between revisions

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(Created page with "Namcot 163 .----\/----. (n) SOUND <- |01 48| - CHR A14 (r) (r) CHR A13<- |02 47| - CHR A15 (r) (r) CHR A12<- |03 46| -> CHR A16 (r) (r) ...")
 
(SCSR's die tracing findings)
 
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Namcot 163
[[Category:Pinouts]]The Namcot 129, 160, and 163 seem to have identical pinning.
              .----\/----.
The Namcot 175 and 340 have minor but vital differences.
(n) SOUND  <- |01      48| - CHR A14 (r)
 
(r) CHR A13<- |02      47| - CHR A15 (r)
[[Namco 163|Namcot 129, 160, and 163]]: 48-pin QFP (canonically [[iNES Mapper 019]])
(r) CHR A12<- |03      46| -> CHR A16 (r)
                              _____
(r) CHR A11<- |04      45| <- CHR A17 (r)
                            /    \
(s) CHR A10 -> |05      44| -> CHR A18  (r) (Not sure about this as it could be a special enable for CHR RAM instead, NC on my board)
            (f) SOUND  <- / 1  48 \ -> CHR A14 (r)
        GND  - |06      43| -> +5v
          (r) CHR A13 <- / 2    47 \ -> CHR A15 (r)
(r) PRG A18 <- |07      42| -> CIRAM /CE(n)
          (r) CHR A12 <- / 3  O  46 \ -> CHR A16 (r)
(r) PRG A17 <- |08      41| -> CHRROM/CE(r)
        (r) CHR A11 <- / 4        45 \ -> CHR A17 (r)
(r) PRG A16 <- |09      40| <- WRAM /CE(w) (6264 /CE connected to this pin)
      (fr)*CHR A10 <- / 5          44 \ -> $F000.6,7
(r) PRG A15 <- |10     39| <- /IRQ     (n)
              GND -- / 6            43 \ -- +5Vcc
(r) PRG A14 <- |11     38| <- CHR A10 (n)
      (r) PRG A18 <- / 7              42 \ -> CIRAM /CE (f)
(r) PRG A13 <- |12     37| <- CHR A11 (n)
    (r) PRG A17 <- / 8                41 \ -> CHR ROM /CE (r)
(s)  PRG D7<-> |13      36| -> CHR A12 (n)
    (r) PRG A16 <- / 9                  40 \ -> WRAM /CE (w)
(s)  PRG D6<-> |14     35| -> CHR A13 (n)
  (r) PRG A15 <- / 10                   39 \ -> /IRQ (f)
(s)  PRG D5<-> |15     34| -> GND
  (r) PRG A14 <- / 11       NAMCO        38 \ <- PPU A10 (f)
(s)  PRG D4<-> |16     33| -> GND
(r) PRG A13 <- / 12   129/163/175/340    37 \ <- PPU A11 (f)
(s)  PRG D3<-> |17     32| -> +5V          (This is used to power the waveform RAM. Can be used as backup memory if connected to a battery)
                /                              \
(s)  PRG D2<-> |18     31| - GND
                \        Package QFP-48,        /
(s)  +5v    - |19     30| -> M2       (n)
(fr)  CPU D7 <> \ 13     0.8mm pitch     36 / <- PPU A12 (f)
(s)  PRG D1<-> |20     29| -> PRG R/W (s)
  (fr)  CPU D6 <> \ 14                     35 / <- PPU A13 (f)
(s)  PRG D0<-> |21     28| -> PRG /CE  (n)
  (fr)  CPU D5 <> \ 15                   34 / <- 1: apply pin 33 to pin 42 as well
      GND  - |22     27| -> PRG A14 (n)
    (fr)  CPU D4 <> \ 16                 33 / <- PPU /RD (f) or GND (see below)
(r) PRG /CE -> |23     26| -> PRG A13 (n)
    (fr)  CPU D3 <> \ 17               32 / -- +5Vcc
(s) PRG A11 -> |24     25| -> PRG A12  (s)
      (fr)  CPU D2 <> \ 18             31 / -- GND
              `----------'
              +5Vcc -- \ 19           30 / <- M2 (f)
        (fr)  CPU D1 <> \ 20         29 / <- R/W (fw)
        (fr)  CPU D0 <> \ 21       28 / <- /ROMSEL (f)
              /$E000.7 <- \ 22     27 / <- CPU A14 (f)
          (r) PRG /CE <- \ 23   26 / <- CPU A13 (f)
          (fr) CPU A11 -> \ 24 25 / <- CPU A12 (fr)
                            \    /
                              \  /
                              \ /
                                V
01 Some Namcot 163 games use expansion audio, which uses a common mixing circuit:
            From N163------------------+
            (N163.1)                  |
                        R1            |
            From 2A03---/\/\/---+------+--------To RF
            (Cart.45)          |              (Cart.46)
                              --- C1
                              ---
                                |
                              GND
    R1 appears to be a set of values which may vary in each board (4.7k, 10k, 15k, 22k, 33k).
    C1 may or may not be present in each board. The boards that do have C1 present seem to be a set of values which may vary (1n, 1.6n).
    Note that caps in other games are only noted to be present, with its value not yet measured.
05 also connects to CIRAM A10.
19,32,43 Some boards connect a battery (through a standard diode switch) to this pin to make the waveform memory nonvolatile:
                                            VCC
                                            |E
                            +--330k--------|< PNP
                            |                |C
            GND---3.3VBAT---+--10k---|>|-+  +-- N163 pin 32
                                        |
            VCC----------------------|>|-+--VBB (N163 pins 19 & 43, WRAM pin 28)
    The role of transistor is to cut off the pin 32 from VCC when voltage is below battery level.
22 This pin is a mysterious open-collector output, reflecting the inverse of bit 7 in register $E000.
30 Pull-down resistor present on boards with battery for low-power mode.
33 Ground this pin if CHR's /OE and /CS lines are separate.
34 If this pin is high, pin 33 is applied to the CIRAM /CE output also. Unclear when this would be useful; if pin 33 is PPU /RD it would write-protect CIRAM.
44 PPU A12, A13, and bits 6 and 7 in register $F000 control this pin. Unclear how to use this.
(r) - this pin connects to the ROM chips
(f) - this pin connects to the Famicom connector
  (w) - this pin connects to the WRAM
Internal Vcc Connections:
19 ------- 43
32 --|>|-- 19/43 (0.7V diode drop)
Powering only 19/43 does not allow any digital operation.
Namcot 175: 48-pin QFP (canonically [[iNES Mapper 210]])
01 sound was removed
05 CIRAM A10 is hardwired to PPU A10 or A11 as appropriate
39 does not provide IRQs
42 does not allow for ROM nametables
 
Namcot 340: 48-pin QFP (also [[iNES Mapper 210]])
  42\ -> '''?'''
  41\ -> '''?'''
    40\ -> '''CHR /CE (r)'''
    39\ -> '''CIRAM A10 (f)'''
01 sound was also removed.
 
== References ==
* [https://docs.google.com/spreadsheets/d/12qGAqMeQFleSPEIZFlxrPzH3MTRKXEa1LIQPXSFD4tk plgDavid's N163 cartridge details related to audio] - a table which lists values of expansion audio circuit components in most N163 games.

Latest revision as of 07:53, 16 August 2024

The Namcot 129, 160, and 163 seem to have identical pinning. The Namcot 175 and 340 have minor but vital differences.

Namcot 129, 160, and 163: 48-pin QFP (canonically iNES Mapper 019) 

                             _____
                            /     \
           (f) SOUND   <-  / 1  48 \ -> CHR A14 (r)
          (r) CHR A13 <-  / 2    47 \ -> CHR A15 (r)
         (r) CHR A12 <-  / 3   O  46 \ -> CHR A16 (r)
        (r) CHR A11 <-  / 4        45 \ -> CHR A17 (r)
      (fr)*CHR A10 <-  / 5          44 \ -> $F000.6,7
              GND --  / 6            43 \ -- +5Vcc
     (r) PRG A18 <-  / 7              42 \ -> CIRAM /CE (f)
    (r) PRG A17 <-  / 8                41 \ -> CHR ROM /CE (r)
   (r) PRG A16 <-  / 9                  40 \ -> WRAM /CE (w)
  (r) PRG A15 <-  / 10                   39 \ -> /IRQ (f)
 (r) PRG A14 <-  / 11        NAMCO        38 \ <- PPU A10 (f)
(r) PRG A13 <-  / 12    129/163/175/340    37 \ <- PPU A11 (f)
               /                               \
               \        Package QFP-48,        /
(fr)  CPU D7 <> \ 13      0.8mm pitch      36 / <- PPU A12 (f)
 (fr)  CPU D6 <> \ 14                     35 / <- PPU A13 (f)
  (fr)  CPU D5 <> \ 15                   34 / <- 1: apply pin 33 to pin 42 as well
   (fr)  CPU D4 <> \ 16                 33 / <- PPU /RD (f) or GND (see below)
    (fr)  CPU D3 <> \ 17               32 / -- +5Vcc
     (fr)  CPU D2 <> \ 18             31 / -- GND
             +5Vcc -- \ 19           30 / <- M2 (f)
       (fr)  CPU D1 <> \ 20         29 / <- R/W (fw)
        (fr)  CPU D0 <> \ 21       28 / <- /ROMSEL (f)
             /$E000.7 <- \ 22     27 / <- CPU A14 (f)
          (r) PRG /CE  <- \ 23   26 / <- CPU A13 (f)
          (fr) CPU A11  -> \ 24 25 / <- CPU A12 (fr)
                            \     /
                             \   /
                              \ /
                               V

01 Some Namcot 163 games use expansion audio, which uses a common mixing circuit:
           From N163------------------+
           (N163.1)                   |
                        R1            |
           From 2A03---/\/\/---+------+--------To RF
           (Cart.45)           |               (Cart.46)
                              --- C1
                              ---
                               |
                              GND
   R1 appears to be a set of values which may vary in each board (4.7k, 10k, 15k, 22k, 33k).
   C1 may or may not be present in each board. The boards that do have C1 present seem to be a set of values which may vary (1n, 1.6n).
   Note that caps in other games are only noted to be present, with its value not yet measured.

05 also connects to CIRAM A10.
19,32,43 Some boards connect a battery (through a standard diode switch) to this pin to make the waveform memory nonvolatile:
                                            VCC
                                            |E
                           +--330k--------|< PNP
                           |                |C
           GND---3.3VBAT---+--10k---|>|-+   +-- N163 pin 32
                                        |
           VCC----------------------|>|-+--VBB (N163 pins 19 & 43, WRAM pin 28)
   The role of transistor is to cut off the pin 32 from VCC when voltage is below battery level.

22 This pin is a mysterious open-collector output, reflecting the inverse of bit 7 in register $E000.
30 Pull-down resistor present on boards with battery for low-power mode.
33 Ground this pin if CHR's /OE and /CS lines are separate.
34 If this pin is high, pin 33 is applied to the CIRAM /CE output also. Unclear when this would be useful; if pin 33 is PPU /RD it would write-protect CIRAM.
44 PPU A12, A13, and bits 6 and 7 in register $F000 control this pin. Unclear how to use this.

(r) - this pin connects to the ROM chips
(f) - this pin connects to the Famicom connector
(w) - this pin connects to the WRAM

Internal Vcc Connections:
19 ------- 43
32 --|>|-- 19/43 (0.7V diode drop)
Powering only 19/43 does not allow any digital operation.

Namcot 175: 48-pin QFP (canonically iNES Mapper 210) 

01 sound was removed
05 CIRAM A10 is hardwired to PPU A10 or A11 as appropriate
39 does not provide IRQs
42 does not allow for ROM nametables

Namcot 340: 48-pin QFP (also iNES Mapper 210) 

 42\ -> ?
  41\ -> ?
   40\ -> CHR /CE (r)
    39\ -> CIRAM A10 (f)
01 sound was also removed.

References

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