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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MPC5604B 데이터시트(PDF) 69 Page - Freescale Semiconductor, Inc |
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MPC5604B 데이터시트(HTML) 69 Page - Freescale Semiconductor, Inc |
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69 / 106 page  Electrical characteristics MPC5604B/C Microcontroller Data Sheet, Rev. 8 Freescale Semiconductor 69 4.15 FMPLL electrical characteristics The device provides a frequency-modulated phase-locked loop (FMPLL) module to generate a fast system clock from the main oscillator driver. Table 35. Slow external crystal oscillator (32 kHz) electrical characteristics Symbol C Parameter Conditions1 1 V DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified Value Unit Min Typ Max fSXOSC SR — Slow external crystal oscillator frequency — 32 32.768 40 kHz VSXOSC CC T Oscillation amplitude — — 2.1 — V ISXOSCBIAS CC T Oscillation bias current — — 2.5 — µA ISXOSC CC T Slow external crystal oscillator consumption —— — 8 µA TSXOSCSU CC T Slow external crystal oscillator start-up time —— — 22 2 Start-up time has been measured with EPSON TOYOCOM MC306 crystal. Variation may be seen with other crystal s Table 36. FMPLL electrical characteristics Symbol C Parameter Conditions1 1 V DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified. Value Unit Min Typ Max fPLLIN SR — FMPLL reference clock2 2 PLLIN clock retrieved directly from FXOSC clock. Input characteristics are granted when oscillator is used in functional mode. When bypass mode is used, oscillator input clock should verify fPLLIN and PLLIN. —4 — 64 MHz PLLIN SR — FMPLL reference clock duty cycle2 —40 — 60 % fPLLOUT CC D FMPLL output clock frequency — 16 — 64 MHz fVCO 3 3 Frequency modulation is considered ± 4% CC P VCO frequency without frequency modulation — 256 — 512 MHz C VCO frequency with frequency modulation — 245 — 533 fCPU SR — System clock frequency — — — 64 MHz fFREE CC P Free-running frequency — 20 — 150 MHz tLOCK CC P FMPLL lock time Stable oscillator (fPLLIN = 16 MHz) 40 100 µs t LTJIT CC — FMPLL long term jitter fPLLIN = 16 MHz (resonator), fPLLCLK @ 64 MHz, 4000 cycles — — 10 ns IPLL CC C FMPLL consumption TA = 25 °C — — 4 mA |
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