Connected to crystal.Ĭonnected to ground.(ROM interface ontrol terminal)īy counting the time between the first key input signal FI and the second SI from the keyboard unit, the key touch LSI detects key velocity of 256-step. Connected to terinal CK16.ġ6.384MHz clock pulse input/output. The DSP can read data of 32 polyphonic note from the ROM and provides two 16-bit serial dat with timing signals to each channel's D/A converter.Ĭlock pulse input. ![]() The LSI-S is a 16-bit DSP(Digital Signal Processor) and accessable to 16M-bit sound source ROM and to 64Kbit RAM. Connected to crystal.ĭIGITAL SIGNAL PROCESSOR, LSI-S (HG51A115A01FD) But the CPU directly receives MIDI and pedal signals.Ģ0MHz clock pulse input/output. ![]() The CPU accesses to the DSP, Key Touch LSI, RAM, buttons and LEDs. The 16-bit CPU contains a 32K-byte ROM, a 1K-byte RAM, an 8-bit A/D converter, timers and I/O ports. Tuning adjustable A4 = 440KHz 50 cents incrementsĪpproximately 6 minutes after the last operation SHIFTER, ORGAN SP, ENHANCER, FLANGER, EQLOUNDNESS REVERB 1, REVERB 2, REVERB 3, CHORUS, TREMOLO, PHASE Variation pattern, fill-in pattern, intro/ending pattern for each IC LEAD IDENTIFICATION AND INTERNAL CIRCUIT. ĭIGITAL SIGNAL PROCESSOR, LSI-S (HG51A115A01FD).
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