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DA14530 Datasheet(PDF) 28 Page - Renesas Technology Corp |
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DA14530 Datasheet(HTML) 28 Page - Renesas Technology Corp |
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28 / 333 page  DA14530 Low Power Bluetooth 5.1 SoC Final Datasheet Revision 3.4 21-Dec-2021 CFR0011-120-00 28 of 332 © 2021 Renesas Electronics 3.7 XTAL32kHz Oscillator Table 8: XTAL oscillator 32kHz - Recommended Operating Conditions Parameter Description Conditions Min Typ Max Unit fCLK_EXT external clock frequency at pin 32KXTAL1/P0_3 in GPIO mode 10 100 kHz fXTAL crystal oscillator frequency 30 32.768 35 kHz ESR equivalent series resistance 100 kΩ CL load capacitance No external capacitors are required for a 6 pF or 7 pF crystal. 6 7 9 pF C0 shunt capacitance 1 2 pF ΔfXTAL crystal frequency tolerance (including aging) Timing accuracy is dominated by crystal accuracy. A much smaller value is preferred. -250 250 ppm PDRV_MAX maximum drive power Note 1 0.1 μW Note 1 Select a crystal that can handle a drive level of at least this specification. Table 9: XTAL oscillator 32kHz - Timing Characteristics Parameter Description Conditions Min Typ Max Unit tSTA_XTAL crystal oscillator startup time Typical application, time until 1000 clocks are detected. 100 300 ms 3.8 RC32MHz Oscillator Table 10: RC32MHz Oscillaor - Timing Characteristics Parameter Description Conditions Min Typ Max Unit fRC32M_TRIMM ED RC oscillator frequency at target trimming 29 30.5 31.5 MHz 3.9 Digital I/O Characteristics Table 11: Digital Pad - Recommended Operating Conditions Parameter Description Conditions Min Typ Max Unit IL_HIDRV driving current - high mode 3.5 mA IL_LODRV driving current - low mode 0.35 mA VIH HIGH level input voltage VDD=0.9V 0.7*V DD V |
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