WR550400/WR550402 pinout: Difference between revisions
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Krzysiobal (talk | contribs) (Created page with " .---v---. D7 -> |01 18| <- D0 D1 -> |02 17| ------------[R=750k]-+ D6 -> |03 16| -> MAIN CLK----------+ D2 -> |04 15| -- GND D5 -> |05...") |
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* Those 2 chips were used in bootleg version of Moe Pro! Saikyou-hen Baseball[https://forums.nesdev.org/viewtopic.php?t=17478], along with pirate VRC4 chip. Original game used Jaleco SS88006 along with D7756C ADPCM Speech Chip [http://bootgod.dyndns.org:7777/profile.php?id=3980] | * Those 2 chips were used in bootleg version of ''Moe Pro! Saikyou-hen Baseball'' [https://forums.nesdev.org/viewtopic.php?t=17478], along with pirate VRC4 chip. Original game used Jaleco SS88006 along with D7756C ADPCM Speech Chip [http://bootgod.dyndns.org:7777/profile.php?id=3980] | ||
* | * Each of those 2 chips contains different set of 8 audio samples, used in game. | ||
* Vendor logo printed on ICs suggest that the | * Vendor logo printed on ICs suggest that the manufacturer was Winbond, | ||
* Forcing rising edge on one of its D0..D7 inputs enables playback adequate audio sample | * Forcing rising edge on one of its D0..D7 inputs enables playback adequate audio sample | ||
* The output "analog" audio has 32-voltage-levels, | * The output "analog" audio has 32-voltage-levels, |
Latest revision as of 20:09, 16 February 2023
.---v---. D7 -> |01 18| <- D0 D1 -> |02 17| ------------[R=750k]-+ D6 -> |03 16| -> MAIN CLK----------+ D2 -> |04 15| -- GND D5 -> |05 14| -> SONG3 PLAYED D3 -> |06 13| -> SONG3 FINISHED STROBE D4 -> |07 12| -> DATA +5V - |08 11| -> CLK1 (for audio data ?) AUDIO <- |09 10| -> CLK2 (for meta data?) `-------` WR550400/WR550402
Notes:
- Those 2 chips were used in bootleg version of Moe Pro! Saikyou-hen Baseball [1], along with pirate VRC4 chip. Original game used Jaleco SS88006 along with D7756C ADPCM Speech Chip [2]
- Each of those 2 chips contains different set of 8 audio samples, used in game.
- Vendor logo printed on ICs suggest that the manufacturer was Winbond,
- Forcing rising edge on one of its D0..D7 inputs enables playback adequate audio sample
- The output "analog" audio has 32-voltage-levels,
- Along with the analog audio, there is some digital data transmitted on pins 12/11/10
- Pin 14 is high for the whole time when D2 audio sample is played,
- Pin 13 goes high for the last 0.5ms when D2 audio sample is played.