 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
SPC5644AF0MLU2 датащи(PDF) 89 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
SPC5644AF0MLU2 датащи(HTML) 89 Page - Freescale Semiconductor, Inc |
|
|
89 / 138 page  MPC5644A Microcontroller Data Sheet, Rev. 7 Freescale Semiconductor 89 VIHEXT CC T EXTAL input high voltage Crystal Mode12 Vxtal + 0.4 —V T External Reference12, 13 VRC33 /2 + 0.4 VRC33 VILEXT CC T EXTAL input low voltage Crystal Mode12 —Vxtal - 0.4 V T External Reference12, 13 0VRC33 /2 - 0.4 — CC T XTAL load capacitance10 4MHz 5 30 pF 8MHz 5 26 12 MHz 5 23 16 MHz 5 19 20 MHz 5 16 40 MHz 5 8 tlpll CC P PLL lock time 10, 14 —— 200 s tdc CC T Duty cycle of reference —40 60 % fLCK CC T Frequency LOCK range — –6 6 % fsys fUL CC T Frequency un-LOCK range — –18 18 % fsys fCS fDS CC D Modulation Depth Center spread ±0.25 ±4.0 % fsys D Down Spread –0.5 –8.0 fMOD CC D Modulation frequency15 —— 100 kHz 1 Considering operation with PLL not bypassed. 2 All internal registers retain data at 0 Hz. 3 “Loss of Reference Frequency” window is the reference frequency range outside of which the PLL is in self clocked mode. 4 Self clocked mode frequency is the frequency that the PLL operates at when the reference frequency falls outside the fLOR window. 5 fVCO self clock range is 20–150 MHz. fSCM represents fSYS after PLL output divider (ERFD) of 2 through 16 in enhanced mode. 6 This value is determined by the crystal manufacturer and board design. 7 Jitter is the average deviation from the programmed frequency measured over the specified interval at maximum fSYS. Measurements are made with the device powered by filtered supplies and clocked by a stable external clock signal. Noise injected into the PLL circuitry via VDDPLL and VSSPLL and variation in crystal oscillator frequency increase the CJITTER percentage for a given interval. Table 26. PLLMRFM electrical specifications (VDDPLL = 1.08 V to 3.6 V, VSS = VSSPLL = 0 V, TA = TL to TH) (continued) Symbol C Parameter Conditions Value Unit min max |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
