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FS23 Scheda tecnica(PDF) 54 Page - NXP Semiconductors |
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FS23 Scheda tecnica(HTML) 54 Page - NXP Semiconductors |
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54 / 230 page  NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers 15.3.3 Electrical characteristics TA = −40 °C to 125 °C, unless otherwise specified. VSUP = 5.5 V to 40 V, unless otherwise specified. All voltages referenced to ground. Symbol Parameter Min Typ Max Unit LVIOx LVIOVIL Digital low-input voltage threshold (falling) - - 0.3 x VDDIO V LVIOVIH Digital high-input voltage threshold (rising) 0.7 x VDDIO - - V LVIOHYST Hysteresis 100 - 600 mV LVIOVOL Low-output level (IOUT = 2 mA) - - 0.4 V LVIOVOH High-output level (IOUT = -2 mA) VDDIO – 0.4V - - V LVIOIQ 3-state leakage current -5 - 5 µA RPD_LVIO Pulldown resistance 100 200 400 kΩ RPU_LVIO Pullup resistance 100 200 400 kΩ TLVIO_FLT[1] Wake-up filtering time 12 15 25 μs Table 24. LVIOx electrical characteristics [1] There is no digital filtering when LVIOx input pin is used as a source to control an high-side driver. 15.4 I/Os configuration summary The following table summarizes the available I/Os configurations. Input function Output function Pin Simple input Cyclic sense input FCCU2 input MOSI input Simple output LIMPx output MISO output WAKEx Yes Yes No No No No No HVIO1 Yes Yes Yes No Yes Yes (LIMP1) No HVIO2 Yes Yes Yes No Yes Yes (LIMP2) No LVIO3 Yes No Yes No Yes Yes (LIMP1) No LVIO4 Yes No Yes No Yes Yes (LIMP2) No LVI5 Yes No Yes Yes No No No LVO6 No No No No Yes No Yes Table 25. I/Os configurations 15.5 INTB INTB is an open-drain output pin with internal pullup to VDDIO. This pin generates a pulse when an internal interrupt occurs to inform the MCU. Each interrupt can be masked by setting the corresponding inhibit interrupt. An INTB pulse can be required for diagnosis by the MCU setting the SPI/I2C INTB_REQ bit in M_SYS_CFG register. 15.5.1 Interrupts and wake-up events management Two types of interruptions must be dissociated: • The “classic” interrupts used to diagnose the device state and to report events FS23 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 7.0 — 16 October 2024 Document feedback 54 / 230 |
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