L6269 데이터 시트보기 (PDF) - STMicroelectronics
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L6269 Datasheet PDF : 17 Pages
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L6269
INTERNAL REGISTER DEFINITION
Reg:
Name:
Type:
Address:
10
Test Control Register
Write only
AEh
BIT
0
1
2
3
4
5
6
7
LABEL
FLL_OUT
REV_BRAKE
VB/DIS
DESCRIPTION
Unused. Set = 0
Unused. Set = 0
Unused. Set = 0
Unused. Set = 0
1 = Spindle Mech/Elec (see bit 5 register 2) output, 0 = Spindle
zero crossing output.
Spindle Reverse Brake command. 1 = Brake. “0” has to be
reinserted to enable the spindle start up.
Unused. Set = 0
1 = Disable Vboost
Reg:
Name:
Type:
Address:
11
VCM Control Register
Write only
BEh
BIT
0
1
2
3
4
5
6
7
LABEL
VCMS
VCMH
SLEEP
COMSLEW
DESCRIPTION
VCM PSM (chopping) Slew Rate. 0 = 10V/µs, 1 = 20V/µs
1 = Forces VCM outputs to be High in PSM mode.
Unused (for future power saving mode).
Spindle PWM (phase commutation) Slew Rate. 0 = 30Vµs, 1 =
2Vµs.
Unused. Set = 0
Unused. Set = 0
Unused. Set = 0
Unused. Set = 0
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