HA13631T Datasheet, PDF (9/20 Pages) Hitachi Semiconductor – CD-ROM Combo Driver

HA13631T
Truth Table
Table 1 CE and BRKSEL
CE
BRKSEL
SPN Driver
L
L
Z
H
Enable *²
H
L
Enable *³
H
Enable *²
Notes: 1. Z: Hi impedance
2. Short brake mode
3. Reverse brake mode
FCS Driver
Z
Enable
Enable
Enable
TRK Driver
Z
Enable
Enable
Enable
SLD Driver
Z
Z
Enable
Enable
TRY Driver
Z
Enable
Z
Z
Table 2 EXTCOM and COMM
EXTCOM
L
H
COMM
L
H
L
H
T1~T6
Mask
OFF
OFF
ON
ON
T7~
Mask
Internal
Internal
Internal
External
FGOUT
(@P = 12)
6 cycle/rotation
36 pulse/rotation
Logic
Corresponds to sensor
Corresponds to sensorless
9