VRC2 & VRC4 mapper chip pinout
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VRC2 & VRC4 mapper chip pinout
I need VRC2 pinout, i can't found it anywhere
Last edited by sdm on Tue Jul 17, 2007 5:18 am, edited 1 time in total.
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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)
`----------'
