Yamaha RX-V1500 Service Manual page 55

IC516, 518: YSS930 (DSP P.C.B.)
DSP
No. Name I/O Function
Digital ground terminal
Terminal for connecting crystal oscillator
Terminal for connecting crystal oscillator
General purpose input/output terminal, SDO0 Lch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO0 Rch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO1 Lch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO1 Rch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO2 Lch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO2 Rch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO3 Lch zero-flag output terminal, input/output terminal for branching program conditions
General purpose input/output terminal, SDO3 Rch zero-flag output terminal, input/output terminal for branching program conditions
Analog ground terminal (for PLL)
Terminal for connecting PLL filter
+2.5V digital power supply (for PLL)
+3.3V digital power supply (for input/output terminal)
(Unconnected)
General purpose input/output terminal, SD04 Lch zero-flag output terminal
General purpose input/output terminal, SD04 Rch zero-flag output terminal
General purpose input/output terminal, SD05 Lch zero-flag output terminal
General purpose input/output terminal, SD05 Rch zero-flag output terminal
General purpose input/output terminal, SD06 Lch zero-flag output terminal, input terminal 0 for chip address setting
General purpose input/output terminal, SD06 Rch zero-flag output terminal, input terminal 1 for chip address setting
General purpose input/output terminal, SD07 Lch zero-flag output terminal, input terminal 2 for chip address setting
General purpose input/output terminal, SD07 Rch zero-flag output terminal, input terminal 3 for chip address setting
+2.5V digital power supply (for internal circuit)
Digital ground terminal
PCM output terminal
PCM output terminal
PCM output terminal
PCM output terminal
PCM output terminal
PCM output terminal
PCM output terminal
PCM output terminal
General purpose input/output terminal, overflow detect output terminal
General purpose input/output terminal, program end detect output terminal
General purpose input/output terminal, 64fs clock output terminal
General purpose input/output terminal, fs clock output terminal
+3.3V digital power supply (for input/output terminal)
Data input/output terminal 0 for external memory
Data input/output terminal 1 for external memory
Data input/output terminal 2 for external memory
Data input/output terminal 3 for external memory
Data input/output terminal 4 for external memory
Data input/output terminal 5 for external memory
Data input/output terminal 6 for external memory
Data input/output terminal 7 for external memory
Data input/output terminal 8 for external memory
Data input/output terminal 9 for external memory
+2.5V digital power supply (for internal circuit)
Digital ground terminal
Data input/output terminal 10 for external memory
Data input/output terminal 11 for external memory
Data input/output terminal 12 for external memory
+3.3V digital power supply (for input/output terminal)
Data input/output terminal 13 for external memory
IC516, 518: YSS930 (DSP P.C.B.)
DSP
No. Name I/O Function
Data input/output terminal 14 for external memory
Data input/output terminal 15 for external memory
Column address strobe output terminal for external DRAM
Write enable output terminal for external memory
Output enable output terminal for external memory
Low address strobe output terminal for external DRAM
Address output terminal 8 for external memory
Address output terminal 7 for external memory
Address output terminal 0 for external memory
Address output terminal 6 for external memory
Address output terminal 1 for external memory
+3.3V digital power supply (for input/output terminal)
Address output terminal 5 for external memory
Address output terminal 2 for external memory
Address output terminal 4 for external memory
Address output terminal 3 for external memory
Address output terminal 9 for external memory
Address output terminal 10 for external memory
+2.5V digital power supply (for internal circuit)
Digital ground terminal
Address output terminal 11 for external memory
Address output terminal 12 for external memory
Address output terminal 13 for external memory
Address output terminal 14 for external memory
Address output terminal 15 for external memory
Address output terminal 16 for external memory
Address output terminal 17 for external memory
+3.3V digital power supply (for input/output terminal)
Microprocessor interface chip select input terminal
Microprocessor interface data output terminal
Microprocessor interface data input terminal
Microprocessor interface clock input terminal
Initial clear input terminal
Word clock (fs) input terminal for SDI/SDO interface
Bit clock (64fs) input terminal for SDI/SDO interface
PCM input terminal
PCM input terminal
PCM input terminal
PCM input terminal
PCM input terminal
PCM input terminal
PCM input terminal
PCM input terminal
+2.5V digital power supply (for internal circuit)
Is: Schmidt trigger input terminal
I+: Input terminal with pull-up resistor
O: Digital output terminal
Ot: 3-state digital output terminal
A: Analog terminal
RX-V1500/DSP-AX1500
55