CC3235MODASF datasheet(13/100 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

Table 4-1. Module Pin Descriptions

MODULE PIN

TYPE(1)

CC3235 DEVICE

PIN NO.

MODULE PIN DESCRIPTION

NO.

NAME

GND

–

Ground

GND

–

Ground

GPIO10

I/O

GPIO(2)

GPIO11

I/O

GPIO(2)

GPIO14

I/O

GPIO(2)

GPIO15

I/O

GPIO(2)

GPIO16

I/O

GPIO(2)

GPIO17

I/O

GPIO(2)

GPIO12

I/O

GPIO(2)

GPIO13

I/O

GPIO(2)

GPIO22

I/O

GPIO(2)

JTAG_TDI

I/O

JTAG TDI input. Leave unconnected if not used on product(2)

FLASH_SPI_MISO

–

External Serial Flash Programming: SPI data in

FLASH_SPI_nCS_IN

–

External Serial Flash Programming: SPI chip select (active low)

FLASH_SPI_CLK

–

External Serial Flash Programming: SPI clock

GND

–

Ground

FLASH_SPI_MOSI

–

External Serial Flash Programming: SPI data out

JTAG_TDO

I/O

JTAG TDO output. Leave unconnected if not used on product(1)

GPIO28

I/O

GPIO(2)

JTAG_TCK

I/O

JTAG TCK input. Leave unconnected if not used on product.(2)

An internal 100 kΩ pull down resistor is tied to this pin.

JTAG_TMS

I/O

JTAG TMS input. Leave unconnected if not used on product.(2)

SOP2

–

An internal 100 kΩ pull down resistor is tied to this SOP pin. An

external 10 kΩ resistor is required to pull this pin high. See

Section 6.11.1 for SOP[2:0] configuration modes.

SOP1

–

An internal 100 kΩ pull down resistor is tied to this SOP pin. An

external 10 kΩ resistor is required to pull this pin high. See

Section 6.11.1 for SOP[2:0] configuration modes.

GND

–

Ground

GND

–

Ground

GND

–

Ground

GND

–

Ground

GND

–

Ground

GND

–

Ground

GND

–

Ground

SOP0

–

An internal 100 kΩ pull down resistor is tied to this SOP pin. An

external 10 kΩ resistor is required to pull this pin high. See

Section 6.11.1 for SOP[2:0] configuration modes.

nRESET

There is an internal, 100 kΩ, pull-up resistor option from the

nRESET pin to VBAT_RESET. Note: VBAT_RESET is not

connected to VBAT1 or VBAT2 within the module. The following

connection schemes are recommended:

•

Connect nRESET to a switch, external controller, or host,

only if nRESET will be in a defined state under all operating

conditions. Leave VBAT_RESET unconnected to save

power.

•

If nRESET cannot be in a defined state under all operating

conditions, connect VBAT_RESET to the main module

power supply (VBAT1 and VBAT2). Due to the internal pull-

up resistor a leakage current of 3.3 V / 100 kΩ is expected.

VBAT_RESET

–

VBAT1

Power

Power supply for the module, must be connected to battery (2.3

V to 3.6 V)

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