Yamaha YSP-1, Service Manual

Page: 39 / 68

YSP-1
39
IC304 : M30626FHPFP (DSP P.C.B)
Single-Chip 16bit CMOS MICROCOMPUTER (Main CPU)
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Name
PO96
PO95
PO94
PO93
PO92
PI91
PO90
BYTE
CNVSS
PO87
PO86
/RESET
XOUT
VSS
XIN
VCC
PI85
PI84
PI83
PI82
PO81
PO80
PO77
PO76
PO75
PO74
PI73
PO72
PIO71
PIO70
PO67
PI66
PO65
PO64
PO63
PI62
PO61
PO60
PO57
PO56
PI55
PO54
PO53
PO52
PO51
PI50
PO47
PO46
PO45
PO44
PO43
PO42
PI41
Port
SOUT4
CLK4
DA1
-
SOUT3
SIN3
CLK3
-
-
CMOS
CMOS
-
-
-
-
-
/NMI
/INT2
/INT1
/INT0
TA4IN
TA4OUT
TA3IN
TA3OUT
TA2IN
TA2OUT
/CTS2
CMOS
SCL
SDA
TxD1
RxD1
CLK1
/CTS1
TxD0
RxD0
CLK0
/CTS0
CLKOUT
ALE
/HOLD
/HLDA
BCLK
/RD
/WRH
/WRL
/CS3
/CS2
/CS1
/CS0
CMOS
CMOS
-
I/O
S-OUT
S-CLK
-
S-OUT
S-IN
S-CLK
-
-
OUT
OUT
-
-
-
-
-
IN
INT-IN
INT-IN
INT-IN
OUT
OUT
OUT
T-OUT
OUT
OUT
IN
OUT
I2C-CLK
I2C-DAT
S-OUT
S-IN
S-CLK
OUT
TX
RX
OUT
OUT
OUT
OUT
IN
OUT
OUT
OUT
OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN
Function
FL Driver TxD (Serial I/O-4)
FL Driver CLOCK OUT (Serial I/O-4)
(Unconnected)
YSS TxD (Serial I/O-3)
YSS RxD (Serial I/O-3)
YSS CLOCK (Serial I/O-3)
When single chip mode is selected: VSS (GND)
When single chip mode is selected: VSS (GND) via resistor (5.1 k-ohms) [For FLASH writing: Vcc]
YSS CE
YSS RESET
RESET
[L:RESET]
16MHz OUT (feedback resistor included)
GND
16MHz IN
(feedback resistor included)
Power 3.3V
Connected to Vcc via resistor (10 k-ohms)
(NMI function unused)
INT ADM
INT DIR
RS232C for communication RX interruption (connected to Pin 32)
For FL filament (105KHz)
Ready(I2C)
MUTE(I2C)
I2C SCL
[O: Pull-up resistor required N-OD] (Serial I/O-2)
I2C SDA [O: Pull-up resistor required N-OD] (Serial I/O-2)
For flash writing YDC DATA OUT , For flash writing RS232C TX (Serial I/O-1)
For flash writing YDC DATA IN, For flash writing RS232C RX (Serial I/O-1)
For FLASH writing YDC CLK
(Pull-down resistor required)(Serial I/O-1)
For FLASH writing Busy OUT, For communication RS232C /RTS
For communication RS232C TX (connected to Pin 31)
(UART0)
For communication RS232C RX (connected to Pin 32) (UART0)
(Unconnected)
For communication RS232C /CTS
Connected to VSS (GND) via resistor (10 k-ohms) (For flash writing: L)
DIR CS
ADM CS
DIR RESET
ADM RESET
Connected to Vcc via resistor (10 k-ohms)
(For flash writing: H)
DAC CS
(Unconnected)
Power relay output
[H: ON]
FL Driver RESET(Light off) OUT
CS OUT to E
2 PROM (Pull-down resistor required) [H: DATA transfer]
DATA OUT to E 2 PROM
DATA IN from E 2 PROM
IC304 : M30626FHPFP (DSP P.C.B)
Single-Chip 16bit CMOS MICROCOMPUTER (Main CPU)
Key Input (A-D) Pull-Up Resistance 10 k-ohms
No.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Name
PO40
PO37
PO36
PO35
PO34
PO33
PO32
PO31
VCC
PO30
VSS
PO27
PO26
PO25
PO24
PO23
PO22
PO21
PO20
P17
P16
P15
PO14
PO13
PO12
PO11
PO10
PO07
PO06
PO05
PO04
PO03
PO02
PO01
PO00
A/D7
A/D6
A/D5
A/D4
A/D3
A/D2
A/D1
AVSS
A/D0
VREF
AVCC
PO97
PORT
CMOS
CMOS
-
CMOS
CMOS
CMOS
CMOS
CMOS
-
CMOS
-
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
/INT5
/INT4
/INT3
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
-
-
-
AN7
AN6
AN5
AN4
AN3
AN2
AN1
-
AN0
-
-
(SIN4)
I/O
OUT
OUT
IN
OUT
OUT
OUT
OUT
OUT
-
OUT
-
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
INT-IN
INT-IN
INT-IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
A-D IN
A-D IN
A-D IN
A-D IN
A-D IN
A-D IN
A-D IN
-
A-D IN
-
-
OUT
Function
CLK OUT to E
2
PROM
(Design test terminal ··· H: PS protection OFF and 232C are forced for 1Lim setting) [L: Normal]
Power 3.3V
SWFR Mute
[L: MUTE]
GND
OSD TxD
OSD Enable
OSD Clock
PowerDown DETECT INT IN [L: POWER DOWN]
Standby SW IN [H: ON]
Remote controller IN
PLD Reset
Analog input selected
[L: TV H: VCR]
NRESET(TI, BEAMIC, FLASH
用 RESET)
(Digital amplifier IC temperature detection) ··· unused
(Digital amplifier IC voltage detection) ··· unused
(Digital amplifier IC current detection) ··· unused
Destination selection input
(Pull-up resistor required) [0 ~ VREF]
Power voltage detection (PS Protect) IN [0 ~ VREF]
3.3V power start-up detection IN (Pull-down resistor required) [0 ~ VREF]
(Pull-up resistor required) [0 ~ VREF]
Temperature detection (thermistor) IN ··· unused [0 ~ VREF]
Key AD Input 0 (Pull-up resistor required) [0 ~ VREF]
Key AD Input 1 (Pull-up resistor required) [0 ~ VREF]
Connected to VSS (GND)
(Pull-up resistor required) [0 ~ VREF]
A-D, D-A Reference voltage input [ ~ VCC]
Connected to VCC terminal (+3.3V)
FL Driver CE OUT
Ohm
V
ADKEY 0
94pin A/D2
ADKEY 1
95pin A/D1
0 k
~ 0.30
VOLUME
+
VOLUME
-
+ 1.2k
~ 0.70
INPUT
–