Pin
No.
Mark I/O Function
1 A11 O DRAM address signal O/
P 11
2 A9 O DRAM address signal O/
P 9
3 A8 O DRAM address signal O/
P 8
4 A7 O DRAM address signal O/
P 7
5 A6 O DRAM address signal O/
P 6
6 A5 O DRAM address signal O/
P 5
7 A4 O DRAM address signal O/
P 4
8 NWE O Write Enable Signal
(DRAM)
9 NCAS O DRAM CAS Control
Signal
10 NRAS O DRAM ARS Control
Signal
11 A3 O DRAM address Signal O/
P 3
12 A2 O DRAM address Signal O/
P 2
13 A1 O DRAM address Signal O/
P 1
14 A0 O DRAM address Signal O/
P 0
15 A10 O DRAM address Signal O/
P 10
16 BA0
N.C.
Motor O/P (0);/Serial I/P
17 BA1
N.C.
Motor O/P (1);/Serial I/P
18 PRAMVSS33 - GND (DRAM)
19 PRAMVDD15 - Power Supply Voltage
(DRAM)
20 PRAMVDD33 - Power Supply Voltage (+
1.6V)
21 SPOUT O Spindle Drive O/P
22 PC I/O Spindle motor drive O/P
signal serial data/
Monitoring I/P
23 TRVP O Traverse Drive O/P (+ve)
24 TRP O Tracking Drive O/P (+ve)
25 FOP O Focusing Drive O/P (+ve)
26 DVSS1 I GND
124