Yamaha RX-V3300 Service Manual page 46

RX-V3300/DSP-AZ2
IC504 : MB87J0470 (DSP P.C.B.)
DECODER
No. Name I/O
25 SDTO3
26 SDTO4
27 SPDIF
28 LRCKI2
29 BCKI2
30 SDTI2
31 VSS
32 HACK
33 HDI
34 HCK
35 HDO
36 HCS
37 GP12 I/O
38 GP13 I/O
39 GP14 I/O
40 VDDI
41 VSS
42 GP15 I/O
43 CE0
44 CS0
45 WE0
46 VDDE
47 WMD1
48 VSS
49 WMD0
50 PAGE2
51 VSS
52 PAGE1
53 PAGE0
54 BOOT
55 SELCODE
56 BST
57 MOD1
58 MOD0
59 ERROR
60 VDDI
61 VSS
62 AD17
63 AD16
64 AD15
65 AD14
66 AD13
67 GP10 I/O
68 GP9 I/O
69 GP8 I/O
70 VDDI
71 VSS
72 D15/GP7 I/O
73 D14/GP6 I/O
74 D13/GP5 I/O
75 D12/GP4 I/O
76 VDDE
77 D11/GP3 I/O
78 D10/GP2 I/O
79 D9/GP1 I/O
80 D8/GP0 I/O
46
Function
O Serial data output for audio I/F
O Serial data output for audio I/F
O S/PDIF output
I Sampling clock input for audio I/F serial data
I Bit clock input for audio I/F serial data
I Data input for audio I/F
Ground
O Acknowledge output for host I/F
I Serial data input for host I/F
I Clock input for host I/F
O Serial data output for host I/F
I Chip select input for host I/F
General purpose port GP12 data input/output
General purpose port GP13 data input/output
General purpose port GP14 data input/output
Power
Ground
General purpose port GP15 data input/output
O External memory output enable
O External memory chip select (SRAM)
O External memory write enable
Power
I External memory WAIT mode *1
Ground
I External memory WAIT mode *1
O External memory PAGE select
Ground
O External memory PAGE select
O External memory PAGE select
I BOOT mode control signal
I For encoding of host serial data, encoding at "H"
I Host I/F boot strap signal
I 0: Enhanced modeÅ@1: Normal mode
I 0: Single chip mode 1: Use prohibited
I Lock signal input
Power
Ground
O External memory address (SRAM)
O External memory address (SRAM)
O External memory address (SRAM)
O External memory address (SRAM)
O External memory address (SRAM)
General purpose port GP10 data input/output
General purpose port GP9 data input/output
General purpose port GP8 data input/output
Power
Ground
External memory data input/output / general purpose port GP7
External memory data input/output / general purpose port GP6
External memory data input/output / general purpose port GP5
External memory data input/output / general purpose port GP4
Power
External memory data input/output / general purpose port GP3
External memory data input/output / general purpose port GP2
External memory data input/output / general purpose port GP1
External memory data input/output / general purpose port GP0