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MPF5024AMBA0ES 数据表(PDF) 70 Page - NXP Semiconductors |
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MPF5024AMBA0ES 数据表(HTML) 70 Page - NXP Semiconductors |
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70 / 93 page  NXP Semiconductors PF5024 Power management integrated circuit (PMIC) for high performance applications PF5024 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved. Product data sheet Rev. 1 — 15 April 2020 70 / 93 WD_EVENT_CNT reset by Fail-safe Transition WD_EVENT_CNT reset by MCU aaa-028075 WD_EVENT_CNT WD EVENT WD EVENT WD EVENT WD EVENT WD EVENT WD EVENT FAIL-SAFE TRANSITION n = WD_MAX _CNT 5 4 3 2 1 0 Figure 31. Watchdog event counter 16 I2C register map The PF5024 provides a complete set of registers for control and diagnostics of the PMIC operation. The configuration of the device is done at two different levels. At first level, the OTP mirror registers provide the default hardware and software configuration for the PMIC upon power up. These are one-time programmable and should be defined during the system development phase, and are not meant to be modified during the application. See Section 17 "OTP/TBB and hardwire default configurations" for the OTP configuration feature. At a second level, the PF5024 provides a set of functional registers intended for system configuration and diagnostics during the system operation. These registers are accessible during the system On state and can be modified at any time by the system control unit. The device ID register provides general information about the PMIC: • DEVICE_FAM[3:0]: indicates the PF50x0 family of devices. 0101 (fixed) • DEVICE_ID[3:0]: provides the device type identifier 0100 = PF5024 QM 1100 = PF5024 ASIL B Registers 0x02 and 0x03 provide a customizable program ID registers to identify the specific OTP configuration programmed in the part. |
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