參數(shù)資料
型號: L6460TR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù): 102/139頁
文件大?。?/td> 3837K
代理商: L6460TR
L6460
Power bridges
Doc ID 17713 Rev 1
65/139
Figure 18.
Bipolar stepper configuration
Using the StepCtrlMode[2:0] bits in StepCfg1 register, L6460 can be programmed to
internally generate the stepping levels. In these cases and depending on the StepFromGpio
bit in the StpCfg1 register the Stepper driver will move to next step each time the StepCmd
bit is set at logic level “1” or at each pulse transition longer than ~1
s externally applied on
GPIO12 (StepReq signal), according to Table 21.
Vsupply
Sense
PH+
PH-
Supply
DC3_PH+
DC3_PH-
DC4 PH+
DC4 PH-
DC3SENSE
DC4SENSE
Stepper
Motor
Sense
PH+
PH-
Supply
VRefB
VRefA
- Control Logic
- Toff generation
- DAC reference
selection
Bridge Driver
VSTEPREF
VRefB
VRefA
StepperDACPhA
StepperDACPhB
SelStepRef
Ref1
Ref2
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