Yamaha S-80, Руководство по обслуживанию

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S80
16
MN101C027YB (XS711200) CPU
PIN
NO.
NAME I/O FUNCTION
PIN
NO.
NAME I/O FUNCTION
1 S1 I 33 S12 I
2 S2 I 34 S13 I Switch matrix data
3 S3 I Switch matrix data 35 S14 I
4 S4 I 36 TXD O MIDI transmit data
5 S5 I 37 S15 I
6 VREF+ - Power supply (+5V, analog) 38 S16 I Switch matrix data
7 VDD - Power supply (+5V) 39 S17 I
8 OSC2 O Crystal oscillator (8MHz) 40 S18 I
9 OSC1 I Crystal oscillator (8MHz) 41 L16 O
10 VSS - Ground 42 L17 O
11 XI I Not used 43 L18 O
12 XO O Not used 44 L19 O
13 MMOD I Memory mode select (Grounded) 45 L8 O
14 RD0 O Rotary encoder data 46 L9 O LED drive data
15 RXD I MIDI receive data 47 L10 O
16 D0 O 48 L11 O
17 D1 O 49 L12 O
18 D2 O LED and switch drive data 50 L13 O
19 D3 O 51 L14 O
20 D4 O 52 L15 O
21 /RST I Reset 53 L7 O
22 D5 O 54 L6 O
23 D6 O 55 L5 O
24 D7 O LED and switch drive data 56 L4 O LED and switch drive data
25 D8 O 57 L3 O
26 D9 O 58 L2 O
27 S6 I 59 L1 O
28 S7 I 60 L0 O
29 S8 I Switch matrix data 61 VREF - Grounded
30 S9 I 62 AD0 I Analog input
31 S10 I 63 AD1 I Analog input
32 S11 I 64 S0 I Switch matrix data
MBCG46183-129 (XV833A00) Gate Array
PIN
NO
NAME I/O FUNCTION
PIN
NO
NAME I/O FUNCTION
1 D5 I/O 25 TX31 O Transmit Data 31
2 D6 I/O Data Bus 26 RX32 I Receive Data 32
3 D7 I/O 27 TX32 O Transmit Data 32
4 /IRQ0 I/O Interrupt Request Port 0 28 RX33 I Receive Data 33
5 /IRQ1 I/O Interrupt Request Port 1 29 TX33 I/O Transmit Data 33
6 VSS - Ground 30 /IC I Initial Clear
7 /IRQ2 I/O Interrupt Request Port 2 31 VSS - Ground
8 /IRQ3 I/O Interrupt Request Port 3 32 XI I Quartz Crystal Input
9 /RD I Read Signal Input 33 VSS - Ground
10 /WR I Write Signal Input 34 XO I/O Quartz Crystal Output
11 /CE I Chip Enable Input 35 A0 I
12 /ASTB I Address Strobe
(Not used: to ground)
36 A1 I
13 TESTSIO I Input with Pull-down Resistor (50k) 37 A2 I Address Bus
14 RX0 I Receive Data 0 38 A3 I
15 TX0 O Transmit Data 0 39 A4 I
16 RX1 I Receive Data 1 40 A5 I
17 TX1 O Transmit Data 1 41 CPUCLK I CPU Clock
18 VSS - Ground 42 VSS - Ground
19 VDD - Power Supply 43 VDD - Power Supply
20 RX2 I Receive Data 2 44 D0 I/O
21 TX2/BO2 O Transmit Data 2 45 D1 I/O
22 RX30 I Receive Data 30 46 D2 I/O Data Bus
23 TX30 O Transmit Data 30 47 D3 I/O
24 RX31 I Receive Data 31 48 D4 I/O