HA13571FR Datasheet, PDF (6/22 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver for HDD

HA13571FR
Table 6 SCNTL, WDTIN and VPCNTL Mode
SCNTL
Input States
SCNTL1
SCNTL2
See Table 1 See Table 1
L
L
H
H
SCNTL3
See Table 1
L
H
WDTIN
Input State
X
X
X
VPCNTL
Input State
X
X
X
Modes of Operation
at Power Good (PORN = H)
Spindle Driver
Enable
Disable
Brake
SCNTL
Input States
SCNTL1
SCNTL2
X
X
X
X
X
X
X
X
SCNTL3
X
X
X
X
WDTIN
Input State
L or H
Middle
Middle
Middle
VPCNTL
Input State
X
H
Z
L
Modes of Operation
at Power Good (PORN = H)
VCM Driver
Park
Enable
Disable
Park
SCNTL
WDTIN
VPCNTL
Modes of Operation
Input States
Input State Input State at Power Good (PORN = H)
SCNTL1
SCNTL2
SCNTL3
Spindle & VCM Driver
L
L
L
Middle
Z
Sleep Mode *
Note: Sleep signal is generated by SCNTL and VPCNTL.
TEMP output is depend on internal TSD and internal TEMP. (see figure 1)
TSD (Internal)
TEMP (Internal)
Tsoff
Thys
Twar
TSD
TEMP
TEMP
TEMP (Output)
TEMP output logic (1)
TEMP output logic (2)
Figure 1 TEMP Output Logic
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