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IC-MPEVALMP1D датащи(PDF) 10 Page - IC-Haus GmbH |
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IC-MPEVALMP1D датащи(HTML) 10 Page - IC-Haus GmbH |
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10 / 22 page ![]() iC-MP 8-BIT HALL ANGLE ENCODER WITH RATIOMETRIC OUTPUT Rev B1, Page 10/22 SERIAL OUTPUT (SLO) Figure 6: Serial data timing D0 to D7 make up the absolute position data with re- spect to the programmed position offset (OFFSET1 xor OFFSET2 xor OFFSET3). The absolute position is latched by a low to high tran- sition at MA (see T1). After an acknowledge (T2) at SLO iC-MP requests pro- cessing time until the start condition (T3) is sent. Pro- cessing time must be provided in Slow Scanning Mode during startup. With rising edge T4 at the clock pin the most significant bit (D7) is placed on the serial data line SLO. After T5 has elapsed the controller can stop clocking at MA and the device is ready to latch a new position after a time- out (tout). If the controller continues to clock in a daisy chain in Fast Scanning Mode after T5 has elapsed, the second device (slave 2) outputs the position latched at T1 at pin SLO. The absolute position data (D0-D7) is binary coded. The position data and the error bit (NERR) are CRC protected. The CRC polynomial is X4+X+1 = 0x13. Figure 7: Example CRC calculation Figure 8: Timing in Fast Scanning Mode Figure 9: Timing in Slow Scanning Mode |
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