Sunsoft 4 pinout: Difference between revisions
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(Naruko gave us another gift :)) |
m (note that 29-31 are just an OR gate) |
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Line 26: | Line 26: | ||
10 probably actually some control, not a supply pin | 10 probably actually some control, not a supply pin | ||
19 also connects to CIRAM A10 | 19 also connects to CIRAM A10 | ||
29,30,31 actually just an OR gate; for use with a 28-pin 128KB CHR-ROM | |||
Reference: [http://forums.nesdev.org/viewtopic.php?p=106818#p106818 Naruko's notes] | Reference: [http://forums.nesdev.org/viewtopic.php?p=106818#p106818 Naruko's notes] |
Revision as of 03:38, 27 January 2013
Sunsoft 4: 40-pin 0.6" PDIP
.---\/---. M2 -> | 01 40 | -- +5V /ROMSEL -> | 02 39 | <- R/W CPU A14 -> | 03 38 | <- CPU D6 CPU A13 -> | 04 37 | <- CPU D5 CPU A12 -> | 05 36 | <- CPU D4 PPU /A13 -> | 06 35 | <- CPU D3 PPU A12 -> | 07 34 | <- CPU D2 PPU A11 -> | 08 33 | <- CPU D1 PPU A10 -> | 09 32 | <- CPU D0 ?GND -> | 10 31 | <- PPU /RD PRG /CE <- | 11 30 | <- SS4 /CHRSEL CHR A17 <- | 12 29 | -> CHR /CS CHR A16 <- | 13 28 | -> CIRAM /CS CHR A15 <- | 14 27 | -> SS4 /CHRSEL CHR A14 <- | 15 26 | -> WRAM /CE CHR A13 <- | 16 25 | -> CHR A14 CHR A12 <- | 17 24 | -> A15 CHR A11 <- | 18 23 | -> A16 CHR A10 <- | 19 22 | -> A17 GND -- | 20 21 | -> WRAM +CE `--------' 10 probably actually some control, not a supply pin 19 also connects to CIRAM A10 29,30,31 actually just an OR gate; for use with a 28-pin 128KB CHR-ROM
Reference: Naruko's notes