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CC3235MODASF 데이터시트(PDF) 35 Page - Texas Instruments |
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CC3235MODASF 데이터시트(HTML) 35 Page - Texas Instruments |
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35 / 100 page ![]() 35 CC3235MODAS, CC3235MODASF www.ti.com SWRS233 – OCTOBER 2019 Submit Documentation Feedback Product Folder Links: CC3235MODAS CC3235MODASF Terminal Configuration and Functions Copyright © 2019, Texas Instruments Incorporated (1) The CC3235MODAx's RF_ABG pin is a NC as it is directly tied to the integrated PCB antenna. 4.6 Connections for Unused Pins All unused pin should be configured as stated in Table 4-5. Table 4-5. Connections for Unused Pins FUNCTION SIGNAL DESCRIPTION PIN NUMBER ACCEPTABLE PRACTICE GPIO General-purpose input or output Wake up I/O source should not be floating during hibernate. All the I/O pins will float while in Hibernate and Reset states. Ensure pullup and pulldown resistors are available on board to maintain the state of the I/O. Leave unused GPIOs as NC No Connect NC 20, 31(1), 33, 41, 45 Unused pin, leave as NC. SOP Configuration sense-on-power 23, 24, 34 Leave as NC (Modules contain internal 100 kΩ pull down resistors on the SOP lines). An external 10 kΩ pull up resistor is required to pull these pins high. See Section 6.11.1 for SOP[2:0] configuration modes. Reset RESET input for the device Never leave the reset pin floating JTAG JTAG interface Leave as NC if unused |
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