S32G2 Vehicle Network Processor - Clock Configuration Guide
■NXP's S32G2 is a family of high- performance vehicle network processors that combines Controller Area Network (CAN), Local Interconnect Network. (LIN), and FlexRay networking with high -data rate Ethernet networking. It also combines a functional safe- core infrastructure with MPU cores and includes high-level security features.
■S32G2 supports multiple clock sources for clock generation:
▲Fast Internal RC Oscillator (FIRC) (48 MHz)
▲Slow Internal RC Oscillator (SIRC) (32 KHz)
▲Fast External Crystal Oscillator (FXOSC) (20 - 40 MHz)
▲Phase -Locked Loops (PLLs)
▲Digital Frequency Synthesizer (DFS) modules
■This application note is intended to provide the user values for commonly used PLL/DFS configurations.
■This document is accompanied with an attached clock configurator - S32G2_Clock_ Configurator .xlsx. The calculator simplifies the clock configuration process by helping user find the recommended and validated values of PLL parameters (MFI, MFN and DIV), DFS parameters (MFI and MFN), MC_CGM parameters (SELCTL and DIV) to achieve the target clock frequency along with the calculation of STEPNO and STEPSIZE for programming modulation depth and modulation frequency.
■This document complements the S32G2 Reference Manual and S32G2 Data Sheet'. Readers are advised to read through Clocking chapter from S32G2 Reference Manual! before further diving into this document.
■The following table shows the abbreviations used throughout the document.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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11/2021 |
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Rev. 1 |
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AN13354 |
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736 KB |
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