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FS32K142BHTXVLLTR 数据表(PDF) 42 Page - NXP Semiconductors |
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FS32K142BHTXVLLTR 数据表(HTML) 42 Page - NXP Semiconductors |
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42 / 100 page  6.2.5 SPLL electrical specifications Table 34. SPLL electrical specifications Symbol Parameter Min. Typ. Max. Unit S32K1xx/ S32K14xW S32K1xx/ S32K14xW S32K1xx S32K14xW FSPLL_REF1 PLL Reference Frequency Range 8 — 16 MHz FSPLL_Input2 PLL Input Frequency 8 — 40 48 MHz FVCO_CLK VCO output frequency 180 — 320 MHz FSPLL_CLK PLL output frequency 90 — 160 MHz JCYC_SPLL PLL Period Jitter (RMS)3 at FVCO_CLK 180 MHz — 120 — ps at FVCO_CLK 320 MHz — 75 — ps JACC_SPLL PLL accumulated jitter over 1µs (RMS)3 at FVCO_CLK 180 MHz — 1350 — ps at FVCO_CLK 320 MHz — 600 — ps DUNL Lock exit frequency tolerance ± 4.47 — ± 5.97 % TSPLL_LOCK Lock detector detection time4 — — 150 × 10-6 + 1075(1/FSPLL_REF) s 1. FSPLL_REF is PLL reference frequency range after the PREDIV. For PREDIV and MULT settings refer SCG_SPLLCFG register of Reference Manual. 2. FSPLL_Input is PLL input frequency range before the PREDIV must be limited to the range 8 MHz to 40 MHz. This input source could be derived from a crystal oscillator or some other external square wave clock source using OSC bypass mode. For external clock source settings refer SCG_SOSCCFG register of Reference Manual. 3. This specification was obtained using a NXP developed PCB. PLL jitter is dependent on the noise characteristics of each PCB and results will vary 4. Lock detector detection time is defined as the time between PLL enablement and clock availability for system use. Memory and memory interfaces 6.3.1 Flash memory module (FTFC/FTFM) electrical specifications This section describes the electrical characteristics of the flash memory module. 6.3.1.1 Flash timing specifications — commands Table 35. Flash command timing specifications for S32K14x series Symbol Description1 S32K142 S32K144 S32K146 S32K148 Typ Max Typ Max Typ Max Typ Max Unit Notes trd1blk Read 1 Block execution time 32 KB flash — — — — — — — — ms 64 KB flash — 0.5 — 0.5 — 0.5 — — Table continues on the next page... 6.3 Memory and memory interfaces S32K1xx Data Sheet, Rev. 12, 02/2020 42 NXP Semiconductors |
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