Yamaha DVX-S200 Service Manual page 50

DVR-S200/NX-P200
IC307 : M38517FP (DIGITAL P.C.B.)
SUB CPU
No. Name Port
1 VCC -
2 VREF -
3 AVSS -
4 P44 INT3
5 P43 INT2
6 P42 INT1
7 P41 INT0
8 P40 CMOS
9 P27 /RDY1
10 P26 SCLK1
11 P25 TxD1
12 P24 RxD1
13 P23 SCL1
14 P22 SDA1
15 CNVSS -
16 P21 CMOS
17 P20 CMOS
18 /RESET -
19 XIN -
20 XOUT -
21 VSS -
22 P17 CMOS
23 P16 CMOS
24 P15 CMOS
25 P14 CMOS
26 P13 CMOS
27 P12 CMOS
28 P11 CMOS
29 P10 CMOS
30 P07 CMOS
31 P06 CMOS
32 P05 CMOS
33 P04 CMOS
34 P03 SRDY2
35 P02 SCLK2
36 P01 SOUT2
37 P00 SIN2
38 P34 CMOS
39 P33 CMOS
40 P32 CMOS
41 P31 CMOS
42 P30 AN0
50
I/O Function
Power supply, +5V
-
A-D, D-A Reference Voltage Input
-
Connect to Vss (GND)
-
OUT
OUT
Interrupt Request from Main Microprocessor
INT-IN
Connect to Vcc (+5V) via Resistor (10 k-ohms)
IN
OUT
BUSY OUT to Flash Writer
OUT
CLK IN from Flash Writer
S-CLK
DATA OUT to Flash Writer
S-OUT
DATA IN from Flash Writer
S-IN
IIC SCL (Communication with DVD Module)
N-OUT
IIC SDA (Communication with DVD Module)
N-OUT
Connect to Vss (GND) via Resistor (5.1 k-ohms)
-
OUT
OUT
RESET (Test land required)
-
8MHz IN
-
8MHz OUT
-
GND
-
General purpose I/O P17
IN/OUT
General purpose I/O P16
IN/OUT
General purpose I/O P15
IN/OUT
General purpose I/O P14
IN/OUT
General purpose I/O P13
IN/OUT
General purpose I/O P12
IN/OUT
General purpose I/O P11
IN/OUT
General purpose I/O P10
IN/OUT
DVD Unit Power Supply 3 OUT
OUT
DVD Unit Power Supply 2 OUT
OUT
DVD Unit Power Supply 1 OUT
OUT
OUT
RDY OUT to Main Microprocessor
OUT
CLK IN from Main Microprocessor
S-CLK
DATA OUT to Main Microprocessor
S-OUT
DATA IN from Main Microprocessor
S-IN
OUT
OUT
OUT
OUT
Key AD Input for TEST
A-D IN
(Pull-down resistor required)
(Pull-down resistor required)
[For Flash Writing: Vcc]
(Pull-down resistor required)
(Serial I/O-1)
(Serial I/O-1)
(Serial I/O-1)
[Pull-up resistor required] (Serial I/O-I2C)
[Pull-up resistor required] (Serial I/O-I2C)
[For Flash Writing: Vcc]
(Pull-down resistor required)
(Pull-down resistor required)
[L: RESET]
(with built-in feedback resistor)
(with built-in feedback resistor)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Serial I/O-2)
(Serial I/O-2)
(Serial I/O-2)
(Serial I/O-2)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
[0 ~ VREF]
[ ~ VCC]
[H: IRQ]
[H: ON]
[H: ON]