CC3235MODASF datasheet(62/100 Pages) TI1

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CC3235MODAS, CC3235MODASF

SWRS233 – OCTOBER 2019

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Product Folder Links: CC3235MODAS CC3235MODASF

Specifications

5.19.5.11 Timers

Programmable timers can be used to count or time external events that drive the timer input pins. The

general-purpose timer module (GPTM) of the CC3235MODAx MCU contains 16- or 32-bit GPTM blocks.

Each 16- or 32-bit GPTM block provides two 16-bit timers or counters (referred to as Timer A and Timer

B) that can be configured to operate independently as timers or event counters, or they can be

concatenated to operate as one 32-bit timer. Timers can also be used to trigger µDMA transfers.

The GPTM contains four 16- or 32-bit GPTM blocks with the following functional options:

•

Operating modes:

–

16- or 32-bit programmable one-shot timer

–

16- or 32-bit programmable periodic timer

–

16-bit general-purpose timer with an 8-bit prescaler

–

16-bit input-edge count- or time-capture modes with an 8-bit prescaler

–

16-bit PWM mode with an 8-bit prescaler and software-programmable output inversion of the PWM

signal

•

Counts up or counts down

•

Sixteen 16- or 32-bit capture compare pins (CCP)

•

User-enabled stalling when the microcontroller asserts CPU Halt flag during debug

•

Ability to determine the elapsed time between the assertion of the timer interrupt and entry into the

interrupt service routine

•

Efficient transfers using micro direct memory access controller (µDMA):

–

Dedicated channel for each timer

–

Burst request generated on timer interrupt

•

Runs from system clock (80 MHz)

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