Yamaha Clavinova CVP-96 Service Manual page 36

:VP-96/CVP-98
• MN101C027 (XS711100) CPU
PIN
NAME 1/0 FUNCTION
PIN
NAME
1/0
FUNCTION
NO.
NO.
1 S1 I
l
33 S12 I
l
2 S2
I
34 S13 I Switch matrix data
3 S3 I Switch matrix data 35 S14 I
4
S4
I 36 TXD
0
MIDI transmit data
5 S5 I 37 S15 I
l
6
VREF+.
-
Power supply (+5V, analog)·
38
S16 I Switch matrix data
7 VDD
-
Power supply (+5V)
39 S17 I
8 OSC2
0
Crystal oscillator (8MHz) 40 S18 I
9 OSC1 I Crystal oscillator (8MHz) 41 L16
0
10
vss
-
Ground 42 L17
0
11 XI I Not used 43 L18
0
12
XO
0
Not used 44 L19
0
13
MMOD
I Memory mode select (Grounded) 45 LS
0
14 RDO
0
Rotary encoder data
46 L9
0
LED drive data
· 15
RXD I MIDI receive data 47 L10
0
16
DO 0
l
48 L11 0
17 01
0
49 L12
0
18 02
0
LED and switch drive data 50 L13
0
19
03 0 51 L14
0
20 D4
0
52 L15
0
21 /RST I Reset 53 L7
0
22 D5
0
l
54 L6
0
23 06
0
55 L5
0
24 D7
0
LED and switch drive data 56 L4
0
LED and switch drive data
25 D8
0
57 L3
0
26
D9 0 58 L2
0
27 S6 I 59
L1 0
28 S7 I 60 LO
0
29 S8 I Switch matrix data 61 VREF
-
Grounded
30 S9 I 62 ADO I Analog input
31 S10 I 63 AD1 I Analog input
32 S11 I 64
so
I Switch matrix data
• uPD71051GU-10-E2 (XS762A00) Serial Controller
PIN
NO.
NAME
1/0
FUNCTION
PIN
NO.
NAME 1/0 FUNCTION
1 D2
1/0
Data bus 15 TxRDY
0
Transmit ready
2 D3
1/0
Data bus 16 SYNC/BRK
1/0
Receiver/Break
3 RxDATA
I
Receive data 17 /CTS I MODEM control
4 GND
-
Ground 18 TxEMP
0
Transmitter empty
5 D4
1/0
l
19 TxDATA
0
Transmit data
6 D5
1/0
Data bus 20 CLK I Main clock
7 06
1/0 21 RESET I Reset
8
07 1/0 22 /DSR I
l
9 /TxCLK I Transmitter clock 23 /RTS
0
MODEM control
10 /WR
I Write control 24 /DTR
0
. 11
/CS
I
Chip select 25 /RxCLK I Receive clock
12
Cl!D
I 26
VDD
-
Power supply (+5V)
13 /RD I Read control
27 DO
1/0
Data bus
14 RxRDY
0
Receive ready 28 01
1/0
Data bus