Yamaha CD-1330 Service Manual page 26

CD-1330
No. Port Name
1 N.C.
2 USBNOC
3 USBNPP
4 USBD-
5 VSS
6 USBD+
7 AVDD
8 N.C.
9 VDD3
10 VDDI
11 OSCI
12 OSCO
13 VSS
14 NRST
15 MMOD0
16 MMOD1
17 VPP
18 OCD_SDA
19 OCD_SCL
20
21
22 N.C.
23
24
25 USB_IN
26
27
28
29
30
31
N.C.
32
33
34
35
36
37
38 VDD3
39 N.C.
40 VSS
41 N.C.
42 VDDI
43
44 N.C.
45
46 I2C_SCL
47 N.C.
48 I2C_SDA
49 VDD3
50 N.C.
26
Function Name
USB over-current input (negative polarity)
USB, VBUS power output control terminal (negative polarity)
USB D- terminal
AVSS Ground / Analog power supply for USB / Connect to VSS.
USB D+ terminal
Analog power supply for USB / Connect to VDD33.
Power for on-chip regulator (2.7V to 3.6V)
VDD33
I/O power supply (2.7V to 3.6V)
Power for internal circuit (1.8V t±0.15V)
Connect all VDD18 terminals outside of chip.
VDD18/VOUT Also, connect a 10μF capacitor between VDD18 and VSS of No.10 pin and place it
near LSI.
On-chip regulator output (1.8V ±0.15V)
High-speed oscillation input terminal (fosc)
(When PLL used: 6.33 MHz to 20 MHz)
High-speed oscillation output terminal
Ground
Reset signal input terminal (negative polarity)
Operation mode setting terminal
Operation mode setting terminal
Power for rewriting built-in Flash memory (3.3V ±0.3V) / only for Flash built in model
Clock, data input/output terminal for on-chip debugger
Clock, data input/output terminal for on-chip debugger
General purpose input/output port 0
Power for on-chip regulator (2.7V to 3.6V)
VDD33
I/O power supply (2.7V to 3.6V)
Ground
Power supply for internal circuit (1.8V ±0.15V)
Connect all VDD18 terminals outside of chip.
VDD18
Also, connect a 10μF capacitor between VDD18 and VSS of No.10 pin and place it
near LSI.
P35/SCL3 General purpose input/output port 3
P33/SDA3 General purpose input/output port 3
VDD5 I/O power supply (5V type I/O)
Detail of Function