VRC6 pinout: Difference between revisions

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Legend:
[[Category:Pinouts]]Konami [[VRC6]]: 48-pin 0.6" PDIP marked "053328 VRC VI", "053329 VRC VI", or "053330 VRC VI" (iNES Mappers [[iNES Mapper 024|24]] and [[iNES Mapper 026|26]])
-------


(s) means this pin connects to the System
Die of "053330" contains the markings "SLA7340 C3T0", a 1.5µ 2-metal-layer CMOS high speed gate array made by S-MOS Systems, a Seiko-Epson affiliate.
(r) this only connects to the ROM
                  .---\/---.
(w) this is a SRAM/WRAM connection only
          GND -> | 01 48 | -- +5V
AUD : these pass to the resistor network
        AUD D1 <- | 02 47 | -> AUD D0   
CHR : these connect to the CHR ROM and/or fami's CHR pins
        AUD D3 <- | 03 46 | -> AUD D2
PRG : these connect to the PRG ROM and/or fami's PRG pins
        AUD D5 <- | 04 45 | -> AUD D4
WRAM : this hooks to the WRAM
  (fr) CPU A12 -> | 05 44 | -> PRG A16 (r)
CIRAM : the RAM chip which is on the fami board
  (f) CPU A14 -> | 06 43 | <- CPU A13 (f)
 
        (f) M2 -> | 07 42 | -> PRG A17 (r)
                                  .----\/----.
  (r) PRG A14 <- | 08 41 | -> PRG A15 (r)
                            GND - |01     48| - +5V
  (fr) CPU A1 -> | 09 40 | -> PRG A13 (r)
                        AUD D1 - |02     47| - AUD D0   
  (fr) CPU A0 -> | 10 39 | <- CPU D7 (fr)
                        AUD D3 - |03     46| - AUD D2
  (fr) CPU D0 -> | 11 38 | <- CPU D6 (fr)
                        AUD D5 - |04     45| - AUD D4
  (fr) CPU D1 -> | 12 37 | <- CPU D5 (fr)
                    (s) PRG A12 - |05     44| - PRG A16 (r)
  (fr) CPU D2 -> | 13 36 | <- CPU D4 (fr)
                    (s) PRG A14 - |06     43| - PRG A13 (s)
  (r) PRG /CE <- | 14 35 | <- CPU D3 (fr)
                        (s) M2 - |07     42| - PRG A17 (r)
      (f) R/W -> | 15 34 | <- /ROMSEL (f)
                    (r) PRG A14 - |08     41| - PRG A15 (r)
      WRAM /CE <- | 16 33 | -> /IRQ (f)
                *1  (s) PRG A1 - |09     40| - PRG A13 (r)
  (r) CHR /CE <- | 17 32 | -> CIRAM /CE (f)
                *1  (s) PRG A0 - |10     39| - PRG  D7 (s)
  (f) PPU /RD -> | 18 31 | <- PPU A10 (f)
                    (s) PRG D0 - |11     38| - PRG  D6 (s)
  (f) PPU A13 -> | 19 30 | <- PPU A11 (f)
                    (s) PRG D1 - |12     37| - PRG  D5 (s)
  (r) CHR A16 <- | 20 29 | <- PPU A12 (f)
                    (s) PRG D2 - |13     36| - PRG  D4 (s)
  (r) CHR A15 <- | 21 28 | -> CHR A17 (r)
                    (r) PRG /CE - |14     35| - PRG  D3 (s)
  (r) CHR A12 <- | 22 27 | -> CHR A14 (r)
                        (s) R/W - |15     34| - PRG /CE (s)
  (r) CHR A11 <- | 23 26 | -> CHR A13 (r)
                *2 (w) WRAM /CE - |16     33| - /IRQ (s)
          GND -- | 24 25 | -> CHR/CIRAM A10 (r)
                    (r) CHR /CE - |17     32| - CIRAM /CE (s)
                  `--------'
                    (s) CHR /RD - |18     31| - CHR A10 (s)
 
                  (s) CHR /A13 - |19     30| - CHR A11 (s)
  1: On packages 053328 and 053330, ground supply. On 053329, an unknown input
                    (r) CHR A16 - |20     29| - CHR A12 (s)
  2-4, 45-47: goes to a 6 bit DAC, and then mixed with system audio
                    (r) CHR A15 - |21     28| - CHR A17 (r)
    The DAC is a 6-bit R-2R SIP resistor array with an additional internal 2K resistor in series to the output.[//www.nesdev.org/vrcvi.txt]
                    (r) CHR A12 - |22     27| - CHR A14 (r)
                  3K    3K    3K    3K    3K            2K
                    (r) CHR A11 - |23     26| - CHR A13 (r)
        +------+-\/\/-+-\/\/-+-\/\/-+-\/\/-+-\/\/-+------+-\/\/-+
                            GND - |24     25| - CHR A10 (r)
        |      |      |      |      |      |      |      |      |
                                  |          |
        \      \      \      \      \      \      \      |      |
                                  `----------'
        /      /      /      /      /      /      /      |      |
 
        \ 6K  \ 6K  \ 6K  \ 6K  \ 6K  \ 6K  \ 6K  |      |
                                    VRCVI
        /      /      /      /      /      /      /      |      |
 
        |      |      |      |      |      |      |      |      |
 
        O      O      O      O      O      O      O      O      O
*1: On some VRCVI carts, these are reversed.  This affects some registers.
      GND    D0    D1    D2    D3    D4    D5  To RF  From 2A03
 
                                                    (Cart.46) (Cart.45)
*2: This passes through a small pulse shaping network consisting of a  
    resistor, diode, and cap.
  9,10: VRC6a (Mapper 24: Akumajou Densetsu) is shown.  For VRC6b (Mapper 26: Madara, Esper Dream 2), these pins are swapped.
  16: passes through a small pulse-shaping network consisting of a resistor, diode, and capacitor.
  32: The VRC6 supports ROM nametables.

Latest revision as of 17:26, 18 July 2022

Konami VRC6: 48-pin 0.6" PDIP marked "053328 VRC VI", "053329 VRC VI", or "053330 VRC VI" (iNES Mappers 24 and 26)

Die of "053330" contains the markings "SLA7340 C3T0", a 1.5µ 2-metal-layer CMOS high speed gate array made by S-MOS Systems, a Seiko-Epson affiliate. 

                 .---\/---.  
          GND -> | 01  48 | -- +5V
       AUD D1 <- | 02  47 | -> AUD D0   
       AUD D3 <- | 03  46 | -> AUD D2
       AUD D5 <- | 04  45 | -> AUD D4
 (fr) CPU A12 -> | 05  44 | -> PRG A16 (r)
  (f) CPU A14 -> | 06  43 | <- CPU A13 (f)
       (f) M2 -> | 07  42 | -> PRG A17 (r)
  (r) PRG A14 <- | 08  41 | -> PRG A15 (r)
 (fr) CPU  A1 -> | 09  40 | -> PRG A13 (r)
 (fr) CPU  A0 -> | 10  39 | <- CPU D7 (fr)
 (fr) CPU  D0 -> | 11  38 | <- CPU D6 (fr)
 (fr) CPU  D1 -> | 12  37 | <- CPU D5 (fr)
 (fr) CPU  D2 -> | 13  36 | <- CPU D4 (fr)
  (r) PRG /CE <- | 14  35 | <- CPU D3 (fr)
      (f) R/W -> | 15  34 | <- /ROMSEL (f)
     WRAM /CE <- | 16  33 | -> /IRQ (f)
  (r) CHR /CE <- | 17  32 | -> CIRAM /CE (f)
  (f) PPU /RD -> | 18  31 | <- PPU A10 (f)
  (f) PPU A13 -> | 19  30 | <- PPU A11 (f)
  (r) CHR A16 <- | 20  29 | <- PPU A12 (f)
  (r) CHR A15 <- | 21  28 | -> CHR A17 (r)
  (r) CHR A12 <- | 22  27 | -> CHR A14 (r)
  (r) CHR A11 <- | 23  26 | -> CHR A13 (r)
          GND -- | 24  25 | -> CHR/CIRAM A10 (r)
                 `--------'
 
 1: On packages 053328 and 053330, ground supply. On 053329, an unknown input
 2-4, 45-47: goes to a 6 bit DAC, and then mixed with system audio
   The DAC is a 6-bit R-2R SIP resistor array with an additional internal 2K resistor in series to the output.[1]
                 3K     3K     3K     3K     3K            2K
       +------+-\/\/-+-\/\/-+-\/\/-+-\/\/-+-\/\/-+------+-\/\/-+
       |      |      |      |      |      |      |      |      |
       \      \      \      \      \      \      \      |      |
       /      /      /      /      /      /      /      |      |
       \ 6K   \ 6K   \ 6K   \ 6K   \ 6K   \ 6K   \ 6K   |      |
       /      /      /      /      /      /      /      |      |
       |      |      |      |      |      |      |      |      |
       O      O      O      O      O      O      O      O      O
      GND     D0     D1     D2     D3     D4     D5   To RF  From 2A03
                                                   (Cart.46) (Cart.45)

 9,10: VRC6a (Mapper 24: Akumajou Densetsu) is shown.  For VRC6b (Mapper 26: Madara, Esper Dream 2), these pins are swapped.
 16: passes through a small pulse-shaping network consisting of a resistor, diode, and capacitor.
 32: The VRC6 supports ROM nametables.
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