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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9177ATR датащи(PDF) 28 Page - STMicroelectronics |
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L9177ATR датащи(HTML) 28 Page - STMicroelectronics |
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28 / 55 page  Table 25. Data in (DIN) words content DIN23 DIN22 DIN21 DIN20 DIN19 DIN18 DIN17 DIN16 Mask L_0 L_1 VRS Diag VRS Hys0 VRS Hys1 VRS Hys2 0 DIN15 DIN14 DIN13 DIN12 DIN11 DIN10 DIN9 DIN8 INJ1_0 INJ1_1 INJ2_0 INJ2_1 O2H_0 O2H_1 RLY1_0 RLY1_1 DIN7 DIN6 DIN5 DIN4 DIN3 DIN2 DIN1 DIN0 RLY2_0 RLY2_1 RLY3_0 RLY3_1 TACH_0 TACH_1 Clear diag Parity Data in structure (MSB first) • Mask bit is used to mask serial command for diagnosis only readings on DOUT: 0 - Read Diag. All DIN bits are ignored. 1 - Write. All DIN are transferred into the internal registers. • Command bits are used to control the output drivers: (INJ1-2, O2H, RLY1-2-3, L and TACH) as described in the following table: Table 26. Data in command bits structure xxx_0 xxx_1 Description 0 1 Turn-off driver / parallel polarity 0 1 1 Turn-on driver / parallel polarity 1 X 0 No change (the driver will maintain the previous condition) • VRS Diag bit is used active high to enable diagnostic phase of VRS block, the diagnosis can be done only when the phonic wheel is stopped. • Programmable VRS Hysteresis: VRS hysteresis is programmable in 5 steps according to Table 27. • Clear Diag, when set to 1 generates a request to clear those diagnostic flags which are latched. • In addition odd parity bit (that is the last bit of the frame and includes in its calculation the "Don't care" bits) is used for DIN word check together with falling clock edges count. Table 27. Data in VRS hysteresis Hys 0 Hys 1 Hys 2 Description 0 0 0 Auto adaptive hysteresis 1 0 0 Hys VRS = 100 mV 0 1 0 Hys VRS = 200 mV 1 1 0 Hys VRS = 350 mV 0 0 1 Hys VRS = 650 mV 1 0 1 Hys VRS = 1000 mV 1 1 1 Not Valid (Hys doesn't change) L9177A SPI DS12175 - Rev 5 page 28/55 |
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