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參數(shù)資料
| 型號： | L6275 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | VOICE COIL MOTOR CONTROLLER, 2.1 A, PQFP44 |
| 封裝： | 10 X 10 MM, TQFP-44 |
| 文件頁數(shù)： | 17/17頁 |
| 文件大?。?/td> | 170K |
| 代理商： | L6275 |
INTERNAL REGISTER DEFINITION
VCM DAC (High and Low) Registers
Bit 0 through 5 of the VCM DAC (High) Registers and bit 0 through 7 of the VCM DAC (Low) Registers
control the absolute value of the voice coil current. Bit is the sign bit, controlling the current direction. All
the 13 bits are part of a resistor divider network.
Note. It is required to write on register 1 to make effective changes on register 0.
Reg:
Name:
Type:
Address:
1
VCM DAC (Low) Registers
Write only
1Eh
BIT
LABEL
DESCRIPTION
0
VDAC BIT0
LSB resistor ladder of the 14 bit VCM DAC
1
VDAC BIT1
VCM DAC bit 1
2
VDAC BIT2
VCM DAC bit2
3
VDAC BIT3
VCM DAC bit3
4
VDAC BIT4
VCM DAC bit4
5
VDAC BIT5
VCM DAC bit5
6
VDAC BIT6
VCM DAC bit6
7
VDAC BIT7
VCM DAC bit7
Reg:
Name:
Type:
Address:
2
Spindle Control Register
Write only
2Eh
BIT
LABEL
DESCRIPTION
0
INCRE_SEQ
A 0 to 1 transition of this bit increments the spindle Sequencer.
1
START_UP
1 = Spindle Internal start up, 0 = Spindle External start up
2
R_SEQ
Reset Spindle sequencer. 1 = Reset sequencer to phase 1.
3
RUN
1 = Start Spindle ALIGN & GO, 0 = Reset Spindle control logic.
4
SPIN_EN
Enable Spindle section. 1 = Enable, 0 = Disable.
5
MEC/ELEC
Specifies electrical or mechanical cycle for Spindle FLL control.
1=Electrical, 0 = Mechanical.
6
PWM/LINEAR
Selects Spindle PWM or Linear Output Current Control. 1 = PWM,
0=Linear.
7
EXT/INT
External or internal Spindle loop feedback. 1 = external feedback
via index pin.
L6275
9/17
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