Yamaha DP-U50 Servicehandleiding - Pagina 23
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IC430 : USS-820DT-DB
USB Device Controller
No.
Port
Name
1
NC
NC
2
VDDA
VDDA
3
XTAL1
XTAL1
4
XTAL2
XTAL2
5
VDDT
VDDT
6
DMNS
DMNS
7
DPLS
DPLS
8
VSST
VSST
9
A0
A1
10
A1
A2
11
A2
A3
12
A3
A4
13
A4
A5
14
VSSX
VSSX
15
VSS0
VSS0
16
NC
NC
17
NC
NC
18
VDD0
VDD0
19
NC
NC
20
NC
NC
21
NC
NC
22
VSS1
VSS1
23
VSSX
VSSX
24
VSSX
VSSX
25
VSSX
VSSX
26
VSSX
VSSX
27
NC
NC
28
RWUPN
RWUPN
29
SUSPN
SUSPN
30
IRQN
USBINT
31
SOFN
USBSOF
32
RESET
USBRST
33
NC
NC
34
IOCSN
USBCS
35
WRN
WRL
36
RDN
RDB
37
VSSX
VSSX
38
D7
D7
39
D6
D6
40
D5
D5
41
D4
D4
42
D3
D3
43
VSS2
VSS2
44
D2
D2
45
D1
D1
46
D0
D0
47
VDD1
VDD1
48
DPPU
DPPU
I/O
Function
No connect
+3.3V power supply for analog PLL
I
Crystal/Clock input
O
Crystal/Clock output
+3.3V power supply for USB transceiver
I/O
USB Differential data bus minus
I/O
USB Differential data bus plus
Device ground for USB transceiver
I
Address bus
I
Address bus
I
Address bus
I
Address bus
I
Address bus
Device ground
Device ground
No connect
No connect
+3.3V power supply
No connect
No connect
No connect
Device ground
Device ground
Device ground
Device ground
Device ground
No connect
I
Remote wake-up (active-low)
O
Suspend (active-low)
O
Interrupt
O
Start of frame (active-low)
I
Reset
No connect
I
Chip select (active-low)
I
Control register write (active-low)
I
Control register read (active-low)
Device ground
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
Device ground
I/O
Data bus
I/O
Data bus
I/O
Data bus
+3.3V power supply
O
DPLS pull up
DP-U50
22