Yamaha AP-U70 Manuale di servizio - Pagina 24

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Yamaha AP-U70 Manuale di servizio
AP-U70
IC475 : LC27287B-TF3
Embedded Array
No.
Name
I/O
1
VSS
I
2
XI
I
3
XO
O
4
/SIOIRQ
O
5
/FIFOIRQ
O
6
A0
I
7
A1
I
8
A2
I
9
A3
I
10
A4
I
11
A5
I
12
TEST9
I
13
TEST10
I
14
D0
I/O
15
D1
I/O
16
D2
I/O
17
D3
I/O
18
D4
I/O
19
D5
I/O
20
D6
I/O
21
D7
I/O
22
VDD5
I
23
VSS
I
24
D8
I/O
25
D9
I/O
26
D10
I/O
27
D11
I/O
28
D12
I/O
29
D13
I/O
30
D14
I/O
31
D15
I/O
32
RDB
I
33
WRL
I
34
WRH
I
35
GACS
I
36
GARST
I
37
CPUCLK
I
38
DMVDD
I
39
USBDACO O
40
CAPTIN
I
41
TEST0
I
42
TEST1
I
43
TEST2
I
44
VDD5
I
45
VSS
I
46
MCLKAI
I
47
MCLKAO
O
48
PIO0
I/O
49
PIO1
I/O
50
PIO2
I/O
51
PIO3
I
52
PIO4
I
53
PIO5
I
54
PIO6
I
55
PIO7
I
23
Function
GND
X'tal in (GND)
X'tal out (OPEN)
Serial IRQ (OPEN)
FIFO IRQ (/EAINT)
Address Bus
Address Bus
Address Bus
Address Bus
Address Bus
Address Bus
(OPEN)
(OPEN)
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
+5V
GND
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
Read Strobe input
Write Strobe Low input
Write Strobe High input
Bus Chip Select (EACS)
Global Reset input (USBRST)
System clock input
Master Vdd active detection
USB audio data
USB capture audio data in (PAO7)
OPEN
OPEN
OPEN
+5V
GND
X'tal in (11.2896MHz)
X'tal out (11.2896MHz)
Extended I/O port (OPEN)
Extended I/O port (OPEN)
Extended I/O port (OPEN)
YSS928 AC3DATA
YSS928 SURENC
YSS928 DIRERR
YSS928 DIRLOCK
YSS928 KARAOKE
No.
Name
I/O
Function
56
PIO8
I
YSS928 OVFB
57
PIO9
I
YSS928 DTSDATA
58
PIO10
I
YSS928 ZEROFLOG
59
PIO11
I
YSS928 CRC
60
PIO12
I/O
Extended I/O port (OPEN)
61
PIO13
I
YSS928 DBL/V
62
PIO14
I/O
Extended I/O port (OPEN)
63
PIO15
I/O
Extended I/O port (OPEN)
64
I2CCK
O
I2C serial Bus clock (OPEN)
65
I2SDA
I/O
I2C serial Bus data (OPEN)
66
VDD5
I
+5V
67
VSS
I
GND
68
MCLKBI
I
X'tal in (GND)
69
MCLKBO
O
X'tal out (OPEN)
70
TEST3
I
(OPEN)
71
TEST4
I
(OPEN)
72
TEST5
I
(OPEN)
73
TEST6
I
H: PLL TEST out, L: normal (OPEN)
74
TEST7
I
H: pllclks in, L: NC (OPEN)
75
TEST8
I
H: PLL TEST out, L: normal (OPEN)
76
PLLCKO
I
PLL clock input
77
PLLREF
O
PLL reference clock out
78
RFCLK
I
Internal PLL reference clock
79
VDD33
I
+3.3V
80
PCH
O
PLL PCH out (TEST8: H) (OPEN)
81
NCH
O
PLL NCH out (TEST8: H) (OPEN)
82
DIV2
O
Internal PLL VCO div2 (OPEN)
83
VSS
I
GND
84
PO
O
Charge pomp out
85
VCNT
I
VCO control input
86
R
I
VCO Bais Registor
87
AVSS
I
GND (for Analog)
88
AVDD
I
+3.3V (for Analog)
89
VSS
I
GND
90
VDD5
I
+5V
91
SFS
O
Other device audio clock
92
/S64FS
O
Other device audio clock
93
S128FS
O
Other device audio clock (OPEN)
94
S256FS
O
Other device audio clock
95
SSYNC
O
Other device audio clock (OPEN)
96
R64FS
O
Render device bit clock (OPEN)
97
C64FS
O
Capture device bit clock (OPEN)
98
D64FS
O
USB bit clock (OPEN)
99
S64FS
O
Other device bit clock (OPEN)
100
X64FS
O
External bit clock (DIR) (OPEN)
101
XFS
I
External audio clock (DIR)
102
/X64FS
I
External audio clock (DIR)
103
X128FS
I
External audio clock (DIR)
104
X256FS
I
External audio clock (DIR)
105
XSYNC
I
External audio clock (DIR)
106
PAI3
I
Patch input (A/D)
107
PAI4
I
Patch input (YSS928 SDOB0)
108
PAI5
I
Patch input (YSS928 SDOB1)
109
PAI6
I
Patch input (YSS928 SDOB2)
110
VDD33
I
+3.3V