Yamaha ME-100FS Service Manual page 19

YM2160 (iT216000) OPCW2 (Rhythm Operator)
YM3012 (iT301200) DAC (Digital to Analog Converter)
i
YM63300 (iT633000) SECII (Symphonic Ensemble Clock Generator 2)
NAME
D2
D3
D4
D5
D6
D7
--
--
SH2
SH1
S O
+5D
@I
a2
I10
110
110
'I0
110
110
110
0
0
0
1
I
I
FUNCTION
,
Data bus
Sample and hold (Ch2)
Sample and hold ( C h l )
Tone s~gnal data out
DC Supply (+5V)
Synchro pulse for DAC
Clock
'IN
NO.
13
14
l5
16
17
18
19
20
21
22
23
24
LSI DATA TABLE
31
'IN
NO.
1
2
3
4
5
6
7
8
9
10
l1
12
I10
0
0
I
0
I
I
0
I
'IN
NO.
1
2
3
4
5
6
7
8
'IN
NO.
1
2
3
4
5
6
7
8
I10
I
0
I
I
I
I
I
0
0
'I0
I10
NAME
Vss
-
IRQ
IC
A@
-
WR
-
RD
-
CS
CT1
CT2
TO
D'
D l
'IN
NO.
9
10
11
12
13
14
15
16
FUNCTION
Sample and hold analog S W output
( C h l )
Sample and hold analog SW output
(Ch2)
Chl Ch2 analog S W common Input
Analog output to Buffer AMP
M ~ d d l e polnt 112 VDD B~as
B~as compensat~on
B~as-R
Analog ground
FUNCTION
D ~ g ~ t a l ground
Interrupt request
l n l t ~ a l clear
Address bus
W r ~ t e control
Read control
C h ~ p Select
Control data out 1
Not
used
!
Control data out 2
Not used
NAME
C H I
CH2
COM
AOUT
MP
BC
RB
A GND
NAME
VDD
CLOCK
D.GND
SD
SAM2
SAM1
E L
A.GND
N A M E
C W
CS
S
A
VR
T C
S Y M
V D D
Vss
I/O
I
I
I
I
I
I
I
I
1/0
I
I
I
I
I
I
FUNCTION
DCsupply (+5V)
T ~ m ~ n g clock
D~gttal Ground
Ser~al data lnput
Sample and hold (ch2)
Sample and hold ( c h l )
l n ~ t ~ a l clear
Analog Ground
F U N C T I O N
CR f o r w ~ n d up tlme
Speed set at fast
Speed set at slow
Tremolo speed set
SlowIFast change data I N
Tremolo/Symphon~c change
data IN
DC supply ( - 1 5 V )
Ground (OV)
'IN
NO.
9
1 0
11
12
13
14
15
1 6
N A M E
TEST
-5V
0 6
0 5
0 4
0 3
0 2
0 1
1 1 0
I
0
0
0
0
0
0
FUNCTION
Test p ~ n
DC supply for clock -5V I N
S y m p h o n ~ c clock O U T
S v m p h o n ~ c clock O U T
S y m p h o n ~ c clock O U T
Tremolo symphon~c clock O U T
Tremolo symphon~c clock O U T
Tremolo symphon~c clock O U T