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ST72141K2 数据表(PDF) 43 Page - STMicroelectronics |
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ST72141K2 数据表(HTML) 43 Page - STMicroelectronics |
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43 / 132 page  ST72141K 43/132 MOTOR CONTROLLER (Cont’d) Table 11. Step Configuration Summary For a detailed description of the MTC registers, see Section 8.1.7. Configuration Step Σ 1 Σ 2 Σ 3 Σ 4 Σ 5 Σ 6 Current direction A to B A to C B to C B to A C to A C to B High side T0 T0 T2 T2 T4 T4 Low side T5 T1 T1 T3 T3 T5 OO[5:0] bits in MPHST register 100001 000011 000110 001100 011000 110000 Measurement done on: MCIC MCIB MCIA MCIC MCIB MCIA IS[1:0] bits in MPHST register 10 01 00 10 01 00 Back EMF shape Falling Rising Falling Rising Falling Rising CPB bit in MCRB register (ZVD bit = 0) 01 0101 Voltage on measured point at the start of demagnetization 0V HV 0V HV 0V HV HDM-SDM bits in MCRB register 10 11 10 11 10 11 PWM side selection to accelerate demagnetization Odd Side Even Side Odd Side Even Side Odd Side Even Side Driver selection to accelerate de- magnetization T5 T0 T1 T2 T3 T4 |
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