L7250 데이터 시트보기 (PDF) - STMicroelectronics

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L7250

5V & 12V SPINDLE AND VCM MOTORS DRIVER

STMicroelectronics 

L7250

Table 1. Register Map

addr

b7

b6

b5

b4

b3

b2

b1

b0

00H

SPNCurrSi VCMcalOut ZCBad ThShutdown ThWarn

rev2

rev1

rev0

gn

01H

RLvoltage1 RLvoltage1 RLvoltage2 RLvoltage2 Rltimer[2] Rltimer[1] Rltimer[0] NoBrake

[1]

[0]

[1]

[0]

02H

ShockConf ShockTh[0] RLToffBrake RLToffBrake Rlcalib[3] Rlcalib[2] Rlcalib[1] Rlcalib[0]

[1]

[0]

03H

BemfOffCal VCMState2 VCMState1 VCMState0 SPstate3 SPstate2 SPstate1 SPstate0

04H

SPslew2 SPslew1 SPslew0 Curdac2 Curdac1 Curdac0 PWMmask1 PWMmask0

05H

SPIprot

m3

m2

m1

m0

TSDen

VnegEn

Sken

06H

w4

w3

w2

w1

w0

PREADC(1) PREADC(0) PREsmo

07H

LoadCP

Advance

FFWEn

TO4

TO3

TO2

TO1

TO0

08H

Kv7

Kv6

Kv5

Kv4

Kv3

Kv2

Kv1

Kv0

09H

GainSwitch dac14

dac13

dac12

dac11

dac10

dac9

dac8

0AH

dac7

dac6

dac5

dac4

dac3

dac2

dac1

dac0

0BH

ADC_DATA ADC_DATA ADC_DATA ADC_DATA ADC_DATA ADC_DATA ADC_DATA ADC_DATA

(9)

(8)

(7)

(6)

(5)

(4)

(3)

(2)

0CH

ADC_DATA ADC_DATA ADC_RES ADC_RES ADCRange ADC_CH_ ADC_CH_ ADC_START

(1)

(0)

_ADDR(1) _ADDR(0)

ADDR(1) ADDR(0)

0DH

reserved reserved reserved reserved reserved reserved reserved reserved

0EH

reserved reserved reserved reserved reserved reserved reserved reserved

0FH

test7

test6

test5

test4

test3

test2

test1

test0

name

SR

VCM1

VCM2

CTR1

CTR2

CTR3

CTR4

CTR5

KVR

DAR1

DAR2

ADR

ADR

TEST

mnemoni

attributes

c

status

readonly

VCM RLreg read/write

VCMRL reg read/write

SP&VCMst read/write

ate

control

read/write

control

read/write

control

read/write

control

read/write

Kval

read/write

DAC reg 1 read/write

DAC reg 2 read/write

ADC reg readonly

ADC reg read/write

read/write

read/write

test

read/write

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