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ST7MC1 数据表(PDF) 224 Page - STMicroelectronics |
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ST7MC1 数据表(HTML) 224 Page - STMicroelectronics |
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224 / 308 page ![]() ST7MC1/ST7MC2 224/308 MOTOR CONTROLLER (Cont’d) PARITY REGISTER (MPAR) Read/Write Reset Value: 0000 0000 (00h) Bits 7:6 = TES[1:0] : Tacho Edge Selection bits The primary function of these bits is to select the edge sensitivity of the tachogenerator capture log- ic; clearing both TES[1:0] bits specifies that the In- put Detection block does not operate in Speed Sensor Mode but either in Position Sensor or Sen- sorless Mode for a six-step motor drive). Table 79. Tacho edges and input mode selection Bits 5:0 = OE[5:0]: Output Parity Mode. 0: Output channel is High 1: Output channel Low Note: These bits are not significant when PCN=1 (configuration with three independent phases). 76 54 32 10 TES1 TES0 OE5 OE4 OE3 OE2 OE1 OE0 TES 1 TES 0 Edge sensitivity Operating Mode 0 0 Not applicable Position Sensor or Sensorless 0 1 Rising edge Speed Sensor 1 0 Falling edge Speed Sensor 11 Rising and falling edges Speed Sensor |
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