VRC2 & VRC4 mapper chip pinout

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VRC2 & VRC4 mapper chip pinout
by on (#25885)
I need VRC2 pinout, i can't found it anywhere :?

by on (#25893)
Code:

1megabit

VRC2 Pinout
--------------


(s) means this pin is shared between rom, system and NES
(r) this only connects to the ROM
(w) this is a SRAM/WRAM connection only
(n) means this pin is connected to the NES only
CHR : these connect to the CHR ROM and/or fami's CHR pins
PRG : these connect to the PRG ROM and/or fami's PRG pins
WRAM : this hooks to the WRAM
CIRAM : the RAM chip which is on the fami board

                                  .----\/----.
                    (n) PRG A13 - |01      40| - +5V
                    (n) PRG A14 - |02      39| - NC   
                    (s) PRG A1  - |03      38| - PRG A15 (r)
                    (s) PRG A0  - |04      37| - PRG A12 (s)
                    (n) CHR A12 - |05      36| - PRG A14 (r)
                    (n) CHR A11 - |06      35| - PRG A13 (r)
                    (n) CHR A10 - |07      34| - PRG A16 (r)
                    (r) PRG /CE - |08      33| - PRG D0 (s)
                    (n) PRG R/W - |09      32| - PRG D1 (s)
                    (r) CHR /CE - |10      31| - PRG D2 (s)
                    (n) CHR A13 - |11      30| - PRG D4 (s)
                    (n) CHR /OE - |12      29| - PRG D3 (s)
                    (n) CHR A10 - |13      28| - CHR A17 (r)
                    (n) PRG /CE - |14      27| - CHR A15 (r)
                         (n) M2 - |15      26| - CHR A12 (r)
                             NC - |16      25| - CHR A14 (r)
                             NC - |17      24| - CHR A13 (r)
                             NC - |18      23| - CHR A11 (r)
                             NC - |19      22| - CHR A16 (r)
                            GND - |20      21| - CHR A10 (r)
                                  `----------'



2megabit


VRC2 Pinout
--------------


(s) means this pin is shared between rom, system and NES
(r) this only connects to the ROM
(w) this is a SRAM/WRAM connection only
(n) means this pin is connected to the NES only
CHR : these connect to the CHR ROM and/or fami's CHR pins
PRG : these connect to the PRG ROM and/or fami's PRG pins
WRAM : this hooks to the WRAM
CIRAM : the RAM chip which is on the fami board

                                  .----\/----.
                    (n) PRG A13 - |01      40| - +5V
                    (n) PRG A14 - |02      39| - NC   
                    (s) PRG A1  - |03      38| - PRG A15 (r)
                    (s) PRG A0  - |04      37| - PRG A12 (s)
                    (n) CHR A12 - |05      36| - PRG A14 (r)
                    (n) CHR A11 - |06      35| - PRG A13 (r)
                    (n) CHR A10 - |07      34| - PRG A16 (r)
                    (r) PRG /CE - |08      33| - PRG D0 (s)
                    (n) PRG R/W - |09      32| - PRG D1 (s)
                             NC - |10      31| - PRG D2 (s)
                            GND - |11      30| - PRG D4 (s)
                            GND - |12      29| - PRG D3 (s)
                    (n) CHR A10 - |13      28| - CHR A17 (r)
                    (n) PRG /CE - |14      27| - CHR A15 (r)
                         (n) M2 - |15      26| - CHR A12 (r)
                             NC - |16      25| - CHR A14 (r)
                             NC - |17      24| - CHR A13 (r)
                             NC - |18      23| - CHR A11 (r)
                             NC - |19      22| - CHR A16 (r)
                            GND - |20      21| - CHR A10 (r)
                                  `----------'



by on (#25894)
There you go,

I can't remember if I got this from some where or made it myself when I was using eproms with the VRC2 for a translated Contra cart.

by on (#26032)
Ok. I have all info (VRC4p /2p?) :D
http://nintendoallstars.w.interia.pl/romlab/vrc2p.htm