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AM6546 датащи(PDF) 155 Page - Texas Instruments |
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AM6546 датащи(HTML) 155 Page - Texas Instruments |
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155 / 284 page ![]() VDDA_WKUP WKUP_OSC0_XO t sX Time VSS VDDA_WKUP (min.) VDD_WKUP (min.) VSS VDD_WKUP Figure 7-16. WKUP_OSC0 Start-up Time 7.9.4.1.2 WKUP_OSC0 LVCMOS Digital Clock Source Figure 7-17 shows the recommended oscillator connections when WKUP_OSC0 is connected to an LVCMOS square-wave digital clock source The 1.8-V LVCMOS-Compatible clock source is connected to the WKUP_OSC0_XI pin. In this mode of operation, the WKUP_OSC0_XO pin is left unconnected and should not be used to source any external components. VSS Device WKUP_OSC0_XO WKUP_OSC0_XI NC SPRSP08_CLK_02 NC PCB Ground Figure 7-17. 1.8-V LVCMOS-Compatible Clock Input Table 7-16 summarizes the WKUP_OSC0 input clock electrical characteristics Table 7-16. WKUP_OSC0 Switching Characteristics – Crystal Mode NAME DESCRIPTION MIN TYP MAX UNIT f Frequency 19.2, 20, 24, 25, 26, 27 MHz CIN Input capacitance 2.184 2.384 2.584 pF IIN Input current (3.3V mode) 4 6 10 µA Table 7-17 details the WKUP_OSC0 input clock timing requirements. Table 7-17. WKUP_OSC0 Input Clock Timing Requirements NAME DESCRIPTION MIN TYP MAX UNIT CK0 1 / tc(WKUP_OSC0_XI) Frequency, WKUP_OSC0_XI 19.2, 20, 24, 25, 26, 27 MHz www.ti.com AM6548, AM6528, AM6546, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 155 Product Folder Links: AM6548 AM6528 AM6546 AM6526 |
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