Pin | Mark | I/O | Function |
No. |
| Division |
|
19 | RVDD 1 | I | Power supply to internal |
|
|
| DRAM |
20 | RVSS 2 | — | GND to internal DRAM |
21 | FODP | O | Focus drive (+) PWM signal |
|
|
| output terminal |
22 | FODM | O | Focus drive |
|
|
| output terminal |
23 | SPDP | O | Spindle drive (+) PWM |
|
|
| signal output terminal |
24 | SPDM | O | Spindle drive |
|
|
| signal output terminal |
25 | LDON | O | Laser power control output |
|
|
| terminal (1:ON, 0:OFF) |
26 | PVPP | — | Monitor to internal DRAM |
| DRAM1 |
| output terminal (Not used, |
|
|
| open) |
27 | IVDD 0 | — | Power supply terminal for I/ |
|
|
| O pad |
28 | DVDD 0 | — | Digital power supply |
29 | XI | I | Crystal oscillator input |
|
|
| terminal (F=16.9344MHz) |
30 | DVSS 0 | — | Digital GND |
31 | XO | O | Crystal oscillator output |
|
|
| terminal (F=16.9344MHz) |
32~34STP10~STP12 | I | Stepping motor status | |
|
|
| input terminal (0~2) |
35~37STP00~STP02 | O | Stepping motor drive | |
|
|
| signal output terminal (0~2) |
38 | RFSWHL | O | Laser power control output |
|
|
| terminal (PIT/GRUVE |
|
|
| switching) |
39 | RFSWPG | O | Laser power control output |
|
|
| terminal (Reflectance |
|
|
| switching) |
40 | PEFMS | I | EFM signal input terminal |
41 | EFMPLLF | O | EFM PLL filter output |
|
|
| terminal |
42 | PEFM1 | O | Loop filter terminal for |
|
|
| EFM data slicing (Not |
|
|
| used, open) |
43 | EFMFIL | O | Input filter switching for |
|
|
| EFM data slicing terminal |
44 | EFMIREF | I | Reference current setting |
|
|
| terminal for EFM PLL |
47
