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XM33C321ASPZR Datasheet(PDF) 45 Page - Texas Instruments |
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XM33C321ASPZR Datasheet(HTML) 45 Page - Texas Instruments |
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45 / 113 page  over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IHFXT HFXT current consumption fHFXT=4MHz, Rm=300Ω, CL=12pF 75 uA fHFXT=32MHz, Rm=30Ω, CL=12pF, Cm=6.26fF, Lm=1.76mH 600 High frequency digital clock input (HFCLK_IN) fHFIN HFCLK_IN frequency (3) USEEXTHFCLK=1 4 48 MHz DCHFIN HFCLK_IN duty cycle (3) USEEXTHFCLK=1 40 60 % (1) This includes parasitic bond and package capacitance (≈2pF per pin), calculated as CHFXIN×CHFXOUT/(CHFXIN+CHFXOUT), where CHFXIN and CHFXOUT are the total capacitance at HFXIN and HFXOUT, respectively. (2) The HFXT startup time (tstart, HFXT) is measured from the time the HFXT is enabled until stable oscillation for a typical crystal. Start-up time is dependent upon crystal frequency and crystal specifications. Refer to the HFXT section of the MSPM33C3x 160-MHz Microcontrollers Technical Reference Manual (3) The digital clock input (HFCLK_IN) accepts a logic level square wave clock. 7.8.3 System Phase Lock Loop (SYSPLL) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fSYSPLLREF SYSPLL reference frequency range 4 48 MHz fVCO VCO output frequency 160 400 MHz fSYSPLL SYSPLL output frequency range (1) SYSPLLCLK0, SYSPLLCLK1 5 160 MHz DCPLL SYSPLL output duty cycle fSYSPLLREF=32MHz, fVCO=320MHz, SYSPLLCLK0/1 45 55 % JitterSYSPLL SYSPLL RMS cycle-to-cycle jitter PDIV=2, Loop clock=8MHz,fSYSPLLREF=32MHz, fVCO=320MHz 43 ps SYSPLL RMS period jitter 32 ISYSPLL SYSPLL current consumption fSYSPLLREF=32MHz, fVCO=320MHz, PDIV=2; SYSPLL =160 MHz 1.3 uA tstart, SYSPLL SYSPLL start-up time fSYSPLLREF=32MHz, fVCO=320MHz, PDIV=2; SYSPLL =160 MHz, ±0.5% accuracy 25 us (1) The SYSPLL may support higher output frequencies than the device clock system supports. Ensure that the device maximum frequency specifications are not violated when configuring the SYSPLL output frequencies. 7.8.4 Low Frequency Oscillator (LFOSC) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fLFOSC LFOSC frequency 32768 Hz LFOSC accuracy -40 ℃ ≤ Ta ≤ 125 ℃ –5 5 % -40 ℃ ≤ Ta ≤ 85 ℃ –3 3 % ILFOSC LFOSC current consumption 300 nA tstart, LFOSC LFOSC start-up time 1.7 ms 7.8.5 Low Frequency Crystal/Clock over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Low frequency crystal oscillator (LFXT) fLFXT LFXT frequency 32768 Hz DCLFXT LFXT duty cycle 30 70 % OALFXT LFXT crystal oscillation allowance 419 kΩ www.ti.com MSPM33C321A, MSPM33C3219 SLASFB6 – DECEMBER 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 45 Product Folder Links: MSPM33C321A MSPM33C3219 |
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