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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MEC1322 датащи(PDF) 303 Page - Microchip Technology |
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MEC1322 датащи(HTML) 303 Page - Microchip Technology |
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303 / 456 page  2014 - 2015 Microchip Technology Inc. DS00001719D-page 303 MEC1322 26.9.7 FAN STEP REGISTER The Fan Step Register, along with the Update Time, controls the ramp rate of the fan driver response calculated by the RPM based Fan Control Algorithm for the Derivative Options field values of “00” and “01” in the Fan Configuration 2 Register (see Table 26-12, “Derivative Options,” on page 301). The value of the register represents the maximum step size the fan driver will take for each update (see Section 26.9.3, "Fan Configuration 1 Register," on page 298). When the maximum step size limitation is applied, if the necessary fan driver delta is larger than the Fan Step, it will be capped at the Fan Step setting and updated every Update Time ms. The maximum step size is ignored for the Derivative Options field values of “10” and “11”. 1 0 32 - the Drive Fail detection circuitry will count for 32 update periods 1 1 64 - the Drive Fail detection circuitry will count for 64 update periods TABLE 26-16: SPIN LEVEL SPIN_LVL[2:0] Spin Up Drive Level 21 0 0 0 0 30% 0 0 1 35% 0 1 0 40% 0 1 1 45% 1 0 0 50% 1 0 1 55% 1 1 0 60% (default) 1 1 1 65% TABLE 26-17: SPIN TIME SPINUP_TIME[1:0] Total Spin Up Time 10 0 0 250 ms 0 1 500 ms (default) 10 1 sec 11 2 sec Offset 07h Bits Description Type Default Reset Event 7:6 RESERVED R/W 00h - 5:0 FAN_STEP[5:0] The Fan Step value represents the maximum step size the fan driver will take between update times R/W 10h VCC1_R ESET TABLE 26-15: DRIVE_FAIL_CNT[1:0] BIT DECODE (CONTINUED) DRIVE_FAIL_CNT[1:0] Number of Update Periods 10 |
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