Yamaha DSP-AZ2 - IC Data: MB87 J0470 (Continued)

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