HA13631T Hitachi Semiconductor, HA13631T Datasheet - Page 7

• Manufacturer Part Number: HA13631T
• Description: CD-ROM Combo Driver
• Manufacturer: Hitachi Semiconductor

2. Acceleration
EXTCOM
Reverse start-up
voltage
B-EMF
FGOUT
COMM
Output voltage
(U phase)
Output voltage
(V phase)
Output voltage
(W phase)
Output current
(U phase)
Output current
(V phase)
Output current
(W phase)
Note: 1.
B-EMF sensing is masked while COMM = H (= Tmext) or FGOUT = H (= Tmint).
Tmext is set by the CPU.
Vspn
Vspn
Vspn
H
H
H
+
+
+
+
L
0
L
L
0
0
0
0
0
0
PWM
Tmint
Tmext
U
PWM
V
PWM
W
PWM
PWM
PWM
HA13631T
PWM
7