Yamaha RP-U200, Service Manual

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RP-U200
RP-U200
24
IC430 : USS-820DT-DB
USB Device Controller
No. Port Name I/O Function
1 NC NC No connect
2 VDDA VDDA +3.3V power supply for analog PLL
3 XTAL1 XTAL1 I Crystal/Clock input
4 XTAL2 XTAL2 O Crystal/Clock output
5 VDDT VDDT +3.3V power supply for USB transceiver
6 DMNS DMNS I/O USB Differential data bus minus
7 DPLS DPLS I/O USB Differential data bus plus
8 VSST VSST Device ground for USB transceiver
9 A0 A1 I Address bus
10 A1 A2 I Address bus
11 A2 A3 I Address bus
12 A3 A4 I Address bus
13 A4 A5 I Address bus
14 VSSX VSSX Device ground
15 VSS0 VSS0 Device ground
16 NC NC No connect
17 NC NC No connect
18 VDD0 VDD0 +3.3V power supply
19 NC NC No connect
20 NC NC No connect
21 NC NC No connect
22 VSS1 VSS1 Device ground
23 VSSX VSSX Device ground
24 VSSX VSSX Device ground
25 VSSX VSSX Device ground
26 VSSX VSSX Device ground
27 NC NC No connect
28 RWUPN RWUPN I Remote wake-up (active-low)
29 SUSPN SUSPN O Suspend (active-low)
30 IRQN USBINT O Interrupt
31 SOFN USBSOF O Start of frame (active-low)
32 RESET USBRST I Reset
33 NC NC No connect
34 IOCSN USBCS I Chip select (active-low)
35 WRN WRL I Control register write (active-low)
36 RDN RDB I Control register read (active-low)
37 VSSX VSSX Device ground
38 D7 D7 I/O Data bus
39 D6 D6 I/O Data bus
40 D5 D5 I/O Data bus
41 D4 D4 I/O Data bus
42 D3 D3 I/O Data bus
43 VSS2 VSS2 Device ground
44 D2 D2 I/O Data bus
45 D1 D1 I/O Data bus
46 D0 D0 I/O Data bus
47 VDD1 VDD1 +3.3V power supply
48 DPPU DPPU O DPLS pull up