AM625 datasheet(115/235 Pages) TI

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AM625 Datasheet(PDF) 115 Page - Texas Instruments

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Note

User should set CTRLMMR_WKUP_LFXOSC_TRIM[18:16] i_mult = 3b’001 for CL in the range 6pf to

9.5pf. CTRLMMR_WKUP_LFXOSC_TRIM [18:16] i_mult = 3b’010 for CL in the range 8.5pf to 12pf.

Default setting is 3b’010.

Note

The load capacitors, Cf1 and Cf2 in Figure 7-22, should be chosen such that the below equation is

satisfied. CL in the equation is the load specified by the crystal manufacturer. All discrete components

used to implement the oscillator circuit should be placed as close as possible to the associated

oscillator WKUP_LFOSC0_XI, WKUP_LFOSC0_XO, and VSS pins.

CL=

C C

(C +C )

J7ES_CL_MATH_03

Figure 7-22. Load Capacitance Equation

www.ti.com

AM625, AM623

SPRSP58 – JUNE 2022

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115

Product Folder Links: AM625 AM623

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