Yamaha S80 Service Manual page 14

S80
HD63B01Y0RCE0F (XM234A00) CPU (PKS)
PIN
NAME I/O
NO.
1 /NMI I
2 E O
3 D# O
4 D O
5 C# O
6 CL O
7 PULL 1
8 PULL 2
9 LC.AE//FS I
10 /REPEAT I
11 /KOF-REQ I
12 SW1 I
13 SW2 I
14 /IS I
15 /OS I
16 SW3 I
17 SW4 I
18 DOUT0 O
19 DOUT1 O
20 DOUT2 O
21 DOUT3 O
22 DOUT4 O
23 DOUT5 O
24 DOUT6 O
25 DOUT7 O
26 Vcc
27 Sf O
28 M5/S13 I
29 M4/S12 I
30 M3/S10 I
31 M2/S9 I
32 M1/S8 I
µ
PD63200GS (XM145A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 4/8F I
2 D. GND
3 16 BIT I
4 D. VDD
5 A. GND
6 R. OUT O
7 A. VDD
8 A. VDD
JG710069 (XM326B00) DDE1 (DAC Dynamic Range Enhancer)
PIN
NAME I/O
NO.
1 CLK I
2 SYW I
3 MIN 1 I
4 MIN 0 I
5 Vss
6 SEL 1 I
7 SEL 0 I
8 SUP I
14
FUNCTION
Non-maskable interrupt





Key scan drive




connected to ground
Auto repeat (L:on, H:off)
Key off request
Switch 1 (L: on, H: off)
Switch 2 (L: on, H: off)
Input strobe
Output strobe
Switch 3 (L: on, H: off)
Switch 4 (L: on, H: off)









Data output






Power supply (+5V)
Switch drive





Make contact of key receive/


Switch receive



FUNCTION
4/8 Fs selection
Digital ground
16 bit/18 bit selection
Digital power supply
Analog ground
Channel R output

Analog power supply



FUNCTION
Master clock
Sync signal
Signal input
Signal input
Ground
Mode select
Mode select
1 bit shift up input
PIN
NAME I/O
NO.

33 M1/S8 I


34 M0/S7 I

35 Vss

36 F O

37 F# O 

38 G O 

39 G# O 

40 A O 

41 A# O 

42 B O 


43 C O
44 LC//AE I

45 B6/S6 I


46 B5/S5 I


47 B4/S4 I

48 B3/S3 I 

49 B2/S2 I 

50 B1/S1 I


51 B0/S0 I


52 Se O


53 Sd O


54 Sc O

55 Sb O 

56 Sa O 
57 E
58 Vss
59 XTAL
60 EXTAL I
61 MP0 I
62 MP1 I
63 /RES I
64 /STBY I
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
PIN
NAME I/O
NO.
9 SH 0 O
10 SH 1 O
11 LE O
12 V
DD
13 DACO 0 O
14 DACO 1 O
15 DCLK O
16 ICN I
FUNCTION
Make contact of key receive/
Switch receive
Ground
Key scan drive
connected to +5V
Break contact of key receive/
Switch receive
Switch drive
Not used
Ground
Not used
8 MHz clock
Mode program 0
Mode program 1
Initial clear
Stanby-mode signal
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 nput
Clock
FUNCTION
N.C.
N.C.
Latch enable for DAC
Power supply
Output (DAC)
Output (DAC)
Clock for DAC
Initial clear