Pioneer DVL-909 Service Manual - Page 45

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Pioneer DVL-909 Service Manual
PD2058A ( DVDM ASSY : IC901 )(DV-505 and DVL-909 only)
• Digital Signal Processor For Audio
Block Diagram
1–3,6–11,
45
42–44
53–60
Coefficient
Data RAM
128w 24b
320w 16b
Program
Counter
Logical
Arithmetic
Program
Unit(LU)
ROM
1024w 32b
Pin Function
N
. o
P
n i
N
a
m
e
/ I
O
1
T
P
8
T
e
t s
d
a
2
T
P
7
O
N
r o
m
l a
3
T
P
6
4
V
D
D
P
o
w
r e
5
V
S
S
G
o r
u
n
d
6
T
P
5
7
T
P
4
8
T
P
3
T
e
t s
d
a
O
N
r o
m
l a
9
T
P
2
1
0
T
P
1
1
1
T
P
0
Coefficient
RAM
ROM
256w 16b
24b
16b
Temporary
Register
Multiply
and add
Culculator
24b 16b+43b
Interface
Work
Register
46
47
50
48
a t
o
u
p t
t u
p
n i
, y l
u
s
e
i w
h t
o
p
e
. n
s
u
p
p
y l
p
n i
p
n i
a t
o
u
p t
t u
p
n i
, y l
u
s
e
i w
h t
o
p
e
. n
13 12
Offset RAM
64w 16b
Delay RAM
Delay RAM
4096w 16b
Address
Generating
Circuit
Serial Data
Input/Output
Circuit
Input (2 port)
Output (3 port)
Circuit
49 51
18,19
17–15
41
F
u
n
t c
o i
n
DV-505, DVL-909, DV-S9
5,14,34,52
4,31
Interface bus
Data bus
Work register
35
CKSL
bus
36
PLOFF
XI
32
33
XO
30
SYNC
Timing
28,29
Generation
25,26
Circuit
ELRO
27
24
EBCO
20
LR
21
WCK
VCO Oscillation
22
FS32
Circuit
23
FS64
37
40
39 38
ELRI1,ELRI0
EBCI1,EBCI0
45