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j1C301:
YM3404DF
or YM3619DF
(16 bit over sampling digital filter)
I
501 7
501
I1
OATA
ACCUMULATOR
OATA
ACCUMULATOR
OVER
ou
SOSy 6
S/P
RAM
SDSY
10
S/P
RAM
SHIFTER
FIOW
BuFFER
L,R
SHIFTER
L,R
L1M1TER
BCI
:I
Bel
S
YM3619
YM3404
Pin"Name
1/0
Function
Pin No.
Pin No.
11
7
SOl
J
Eneoded digital signal serial input
10
6
SOSY
I
Oistinetion between Leh and Reh, Oata input timing
8
5
BCI
I
Bit eloek input for input data
4
3
XI
I
CI
k OSC
196 fs
= 17.2872MHz
3
2
XO
0
oe
. or 192 fs
= 16.9344 MHz
22
14
ST
I
10AC - uLu
20AC
= uHu
Switeh input
23
15
FEN
I
System dock switeh input
196 fs
= uLu
192 fs
= uHu
13
9
OLO
0
10AC: L, Reh Oata input
20AC: Leh Oata input
14
10
ORO
0
Reh Oata output
15
11
WCO
0
Word dock for output data (OLO, OROI
17
12
BCO
0
Bit dock for output data and system eloek output for SPCII
98 fs
= 8.6436MHz
or 96 fs
= 8.4672MHz
2
1
SHL
0
10AC: Lch degliteh signal output
20AC: L, Reh degliteh signal output
24
16
SHR
0
1 OAC: Reh degliteh signal output
12
8
VOO1
Power supply +5V for digital signal
5
4
VOO2
Power supply for eloek and degliteh signal
20
13
Vss
GNO