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Pin
No.
Mark
I/O
Division
Function
1
DVDD
---
Power supply for DRAM
2
D0
I/O
Data input/output for DRAM
3
D1
4
NWE
O
Write enable output for
DRAM
5
NRAS
O
RAS control signal output
for DRAM
6
D2
I/O
Data 2/3 input/output for
DRAM
7
D3
8
NCAS1
O
CAS control 1 signal
output for DRAM
9
NCAS2
---
CAS control 2 signal
output for DRAM
10
14
A8
A4
O
Addresses 8-4 output for
DRAM
15
A9
O
Address 9 output for DRAM
16
19
A0
A3
O
Addresses 0-3 output for
DRAM
20
VSS2
---
Ground connection for
digital circuits
21
DVDD2
---
Power supply for digital
circuits
22
SPOUT
O
Spindle motor drive output
23
TRV+
O
Traverse motor drive
output, positive polarity
24
TRV -
O
Traverse motor drive
output, negative polarity
25
TR+
O
Tracking coil drive output,
positive polarity
26
TR -
O
Tracking coil drive output,
negative polarity
27
FO+
O
Focus coil drive output,
positive polarity
28
FO -
O
Focus coil drive output,
negative polarity
29
FBAL
O
Focus balance adjustment
output
30
TBAL
O
Tracking balance
adjustment output
31
VREF
I
D/A output reference
voltage input
Summary of Contents for SLSW850 - PORT. CD PLAYER
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Page 51: ...17 Packaging ...