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MFS2301BMBACEP Datasheet(PDF) 28 Page - NXP Semiconductors |
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MFS2301BMBACEP Datasheet(HTML) 28 Page - NXP Semiconductors |
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28 / 230 page ![]() NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers aaa-052137 SPI/I2C ON OFF PWR UP DBG VSUP WAKEx SPI/I2C REGx PWR UP PWR DWN OFF ON > WAKExVIH > VSUP_UV VDBG SPI/I2C LP_req Figure 15. Debug mode The FS23 enters OTP mode in M3 state of the main state machine, when VDBG > VOTP_MODE. NXP recommends applying VOTP_MODE with an external power supply at DBG pin before applying VSUP. In this case, the diode protects VBOS pin. For OTP programming process, VDBG shall be equal to VOTP_MODE. aaa-052138 SPI/I2C OTP emulate or pgm OFF DBG VSUP WAKEx SPI/I2C REGx PWR UP ON PWR DWN PWR UP OFF ON SPI /I2C OTP emulate or pgm > WAKExVIH > VSUP_UV VOTP VOTP SPI/I2C LP_req SPI/I2C Figure 16. OTP mode time chart aaa-051441 FS23 VOTP = 7.95 V 10 µF 100 kΩ VBOS DBG Figure 17. Debug pin (DBG) circuitry 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 28 / 230 |
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