CC3235MODASF datasheet(35/100 Pages) TI1

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CC3235MODAS, CC3235MODASF

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SWRS233 – OCTOBER 2019

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Product Folder Links: CC3235MODAS CC3235MODASF

Terminal Configuration and Functions

(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

20, 31(1), 33, 41,

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

CC3235MODASF 数据表(PDF) 35 Page - Texas Instruments

CC3235MODASF 数据表(HTML) 35 Page - Texas Instruments

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