Yamaha RX-V3300 Service Manual page 47

IC504 : MB87J0470 (DSP P.C.B.)
DECODER
No. Name I/O
81 VSS
82 AD9 O
83 AD12 O
84 AD11 O
85 AD10 O
86 TDO O
87 TMS I
88 XTRST I
89 TCK I
90 TDI I
91 VSS
92 AD8 O
93 AD7 O
94 AD6 O
95 AD5 O
96 AD4 O
97 AD3 O
98 D7 I/O
99 D6 I/O
100 VDDI
101 VSS
102 D5 I/O
103 D4 I/O
104 D3 I/O
105 D2 I/O
106 VDDE
107 D1 I/O
108 D0 I/O
109 AD2 O
110 AD1 O
111 VSS
112 AD0 O
113 PRST I
114 SDTI3 I
115 SDTI4 I
116 SYNC I
117 TCNT I
118 GP11 I/O
119 TST I
120 VDDI
*1: External memory WAIT mode
WMD1 WMD0
0 0
0 1
1 0
1 1
Function
Ground
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
Simple emulation data output
Simple emulation data input start/end
Simple emulation asynchronous BREAK input
Simple emulation clock input
Simple emulation data input
Ground
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
External memory address (SRAM)
External memory data input/output (SRAM)
External memory data input/output (SRAM)
Power
Ground
External memory data input/output (SRAM)
External memory data input/output (SRAM)
External memory data input/output (SRAM)
External memory data input/output (SRAM)
Power
External memory data input/output (SRAM)
External memory data input/output (SRAM)
External memory address (SRAM)
External memory address (SRAM)
Ground
External memory address (SRAM)
PLL initialization
Data input for audio I/F
Data input for audio I/F
Synchronous/asynchronous select (L: Synchronous, H: Asynchronous)
Test terminal (connected to GND)
General purpose port GP11 data input/output
Test terminal (connected to GND)
Power
Wait cycle Use prohibited
Rewrite
5 cycle Disable
15 cycle Enable
30 cycle Enable
RX-V3300/DSP-AZ2
47