Ic Block Diagram - Yamaha S03 Service Manual

MBCG46183-129 (XV833A00) SIO4 (Gate Array)
PIN
NAME I/O
NO.
1 D5 I/O
2 D6 I/O
3 D7 I/O
4 /IRQ0 I/O
5 /IRQ1 I/O
6 Vss
7 /IRQ2 I/O
8 /IRQ3 I/O
9 /RD I
10 /WR I
11 /CE I
12 /ASTB I
13 TESTSIO I
14 RX0 I
15 TX0 O
16 RX1 I
17 TX1 O
18 Vss
19 V
DD
20 RX2 I
21 TX2/BO2 O
22 RX30 I
23 TX30 O
24 RX31 I
µPD63200GS-E1 (XP867A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 4/8F I 4/8 Fs selection
2 D. GND Digital ground
3 16 BIT I 16 bit/18 bit selection
4 D. VDD Digital power supply
5 A. GND Analog ground
6 R. OUT O Channel R output
7 A. VDD
Analog power supply
8 A. VDD

IC BLOCK DIAGRAM

SC7SU04FEL (XI348A00)
TC74HCT04AF-T1 (XI297A00)
Hex Inverter
DM: IC011, 024
1
1A 14
2
13
1Y
3
12
2A
4 11
2Y
5 10
3A
6
9
3Y
7
Vss 8
FUNCTION



Data Bus


Interrupt Request Port 0
Interrupt Request Port 1
Ground
Interrupt Request Port 2
Interrupt Request Port 3
Read Signal Input
Wright Signal Input
Chip Enable Input
Address Strobe (Not used: to ground)
Input with Pull-down Resistor (50k)
Receive Data 0
Transmit Data 0
Receive Data 1
Transmit Data 1
Ground
Power Supply
Receive Data 2
Transmit Data 2
Receive Data 30
Transmit Data 30
Receive Data 31
FUNCTION
MM74HC14SJK (XW104A00)
Hex Inverter
DM: IC029
1A
VDD
6A 1Y
2A
6Y
5A 2Y
3A
5Y
4A 3Y
4Y GND
PIN
NAME
NO.
25 TX31
26 RX32
27 TX32
28 RX33
29 TX33
30 /IC
31 Vss
32 XI
33 Vss
34 XO
35 A0
36 A1
37 A2
38 A3
39 A4
40 A5
41 CPUCLK
42 Vss
43 V
DD
44 D0
45 D1
46 D2
47 D3
48 D4
PIN
NAME I/O
NO.
9 R. REF
10 L. REF
11 L. OUT O
12 A. GND
13 WDCK I
14 RSI I
15 SI/LSI I
16 CLK I
1
14
VDD
2
13
6A
3
12
6Y
4 11
5A
5 10
5Y
6
9
4A
7
8
4Y
I/O FUNCTION
O Transmit Data 31
I Receive Data 32
O Transmit Data 32
I Receive Data 33
I/O Transmit Data 33
I Initial Clear
Ground
I Quartz Crystal Input
Ground
I/O Quartz Crystal Output

I


I


I Address Bus


I


I

I

I CPU Clock
Ground
Power Supply

I/O


I/O


I/O Data Bus


I/O


I/O
FUNCTION
Channel R voltage reference
Channel L voltage reference
Channel L output
Analog ground
Word clock
Channel R series input
Series input/Channel L series input
Clock
TC74HCT32AF(EL) (XY096A00)
SN74HC32N (IR003250)
Quad 2 Input OR
DM: IC031
SW: IC004
1A
1 14
1B
2 13
1Y
3 12
2A
4 11
2B
5 10
2Y
6 9
GND
7 8
S03
DM: IC030
DM: IC018
Vcc
4B
4A
4Y
3B
3A
3Y
17