HA13571FR 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HA13571FR

Combo (Spindle & VCM) Driver for HDD

Hitachi -> Renesas Electronics 

HA13571FR

Truth Table

Table 1 Input to Output Drivers

SCNTL1

SCNTL2

H

H

H

L

H

L

L

L

L

H

L

H

L

L

H

H

Note: Z = High impedance

SCNTL3

L

L

H

H

H

L

L

H

SDRVU

L

Z

H

H

Z

L

Z

L

SDRVV

Z

L

L

Z

H

H

Z

L

SDRVW

H

H

Z

L

L

Z

Z

L

Table 2 Spindle Driver Mode Control

SMODE

SIPWM

Spindle Driver Mode

H

Duty ≥ 50%

Linear Mode (High slew rate) *2

H

Duty ≤ 40%

Linear Mode (Low slew rate) *2

M

X

Inductive Sense Mode

L

X

B-EMF Sense in PWM Drive Mode

Note: 1. X = Don’t care

2. Slew rate mode is commutated at synchronized with the up edge of SLOPEC.

Table 3

WDTIN

H or L

M

M

M

VCM Control

VPCNTL

X

H

M

L

VCM Mode

Park

Enable

Disable

Park

Table 4

TEMP

H

L

Temp Output

Status

Warning or TSD

Normal

4

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