HA13614FH Datasheet, PDF (4/26 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver

HA13614FH
Pin Description (cont)
Pin No.
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
TAB
Pin Name
SPNCTL
PHASE
COMM
CLK
SCLK
SEENAB
DATA
12VGOOD
VIPWML
VIPWMH
VREF
DACOUT
DELAY
LVI1
POR
GND
Function
PWMDAC input for current control of spindle motor driver
Toggle signal output for zero-crossing timing of B-EMF
Commutation signal input for spindle motor driver during synchronous driving
Master clock input of commutation logic circuit
Clock input of serial port for data strobe
Enable signal input of serial port
Data signal input of serial port
Output of power monitor for +12 V power supply (open drain)
PWMDAC input for current control of VCM driver
Output of internal reference voltage
PWMDAC output for current control of VCM driver
Capacitor connection terminal for set up the power on reset time
Resistor connection terminal for set up the threshold of +12 V power monitor
Output of power on reset signal
Ground of this IC
4