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1-2 Microprocessor periphery block diagram
LMT.
SW
/ / /
2. DSP IC : MN662780RPS2M(IC4)
2-1 Pin description
Pin No.
Pin Name
1
DVDD5V
2
D0
3
D1
4
NWE
5
NRAS
6,7
D2,D3
8
NCAS0
9-19
A0-A10
20
DVSS2
21
DVDD2
22
PWMCK
23
TRVSTP
24
TVD
25
PC
26
ECS
27
TRD
28
FOD
29
FBAL
30
TBAL
5
CIRCUIT DESCRIPTION
EXCEPT DPC-X311
IC6
16M D-RAM
DSP / DF-DAC
RF
/Anti-shock Memory
AN8838NSB
MN662780RPS2M
MN101C439
AN8789FB
I/O
Description
-
DRAM interface power supply.
I/O
DRAM data input/output signal 0.
I/O
DRAM data input/output signal 1.
O
DRAM writing enable signal.
O
DRAM RAS control signal.
I/O
DRAM data signal input/output.
O
DRAM CAS control signal 0.
O
DRAM address signal 0-10.
-
Digital ground.
-
Digital power supply.
O
Disconnected.
O
Traverse stop signal output.
O
Traverse control port.
O
Spindle moter on signal output..
O
Control signal output for spindle motor.
O
Kick pulse output for tracking driver.
O
Focus drive output.
O
Focus balance adjusting output.
O
Tracking balance adjusting output.
DPC-X311/X517/X612
FROM IC4 (Rch)
Lch
IC9
Rch
VOLUME
Lch
NJM2073M
key input
µ-COM
data
status signal
LCD
J105
LINE OUT
/ / /
J102
H. P JACK
DPC-X517
(M/X/H type)only
DPC-X517
(H type)only
ACTIVE
H
L
ON MODE
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