Difference between revisions of "VRC3 pinout"

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(traced another pinout)
 
m (if you accidently click "save page" instead of "show preview"...)
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[[VRC3]]: 18-pin PDIP ([[iNES Mapper 073]])
 
[[VRC3]]: 18-pin PDIP ([[iNES Mapper 073]])
  
r: connects to PRG ROM
+
r: connects to PRG ROM
f: connects to Famicom
+
f: connects to Famicom
w: connects to PRG RAM
+
w: connects to PRG RAM
 
                   .-\_/-.
 
                   .-\_/-.
 
   (r) PRG A16 <- |01 18| -- +5V
 
   (r) PRG A16 <- |01 18| -- +5V

Revision as of 07:44, 12 September 2012

VRC3: 18-pin PDIP (iNES Mapper 073)

r: connects to PRG ROM
f: connects to Famicom
w: connects to PRG RAM
                 .-\_/-.
  (r) PRG A16 <- |01 18| -- +5V
  (r) PRG /CE <- |02 17| -> WRAM /CE (w)
  (r) PRG A14 <- |03 16| <- CPU RnW (wfr)
  (r) PRG A15 <- |04 15| <- CPU D3 (wfr)
   (f) CPU M2 -> |05 14| <- CPU D0 (wfr)
(wfr) CPU A12 -> |06 13| <- CPU D1 (wfr)
 (rf) CPU A13 -> |07 12| <- CPU D2 (wfr)
  (f) CPU A14 -> |08 11| <- nROMSEL (f)
          Gnd -- |09 10| -> nIRQ
                 '-----'