Pin No. Mark I/O Function
1 DRVDD I DRAM interface power
supply
2 D0 I/O DRAM data input-output 0
3 D1 I/O DRAM data input-output 1
4 NEW O DRAM ROM enable signal
5 NRAS O DRAM RAS control signal
6 D2 I/O DRAM data input-output 2
7 D3 I/O DRAM data input-output 3
8 NCASO O DRAM CAS control 0
9 NCASI O DRAM CAS control 1
10 A8 O DRAM Address 8
11 A7 O DRAM Address 7
12 A6 O DRAM Address 6
13 A5 O DRAM Address 5
14 A4 O DRAM Address 4
15 A9 O DRAM Address 9
16 A0 O DRAM Address 0
17 A1 O DRAM Address 1
18 A2 O DRAM Address 2
19 A3 O DRAM Address 3
20 DVSS2 - Digital GND
21 DVDD2 - Digital power supply
22 SPOUT O Spindle motor drive
output signal (absolute
value output)
23 TRVP O Traverse drive output (+
output)
24 TRVM O Traverse drive output (-
output)
25 TRP O Tracking drive output (+
output)
26 TRM O Tracking drive output (-
output)
27 FOP O Focus drive output (+
output)
28 FOM O Focus drive output (-
output)
29 IOVDD1 - IO power supply
30 TBAL O Tracking balance
adjustment output
31 FBAL O Focus balance
adjustment output
89