DSPIC33EP128GS708 datasheet(217/484 Pages) MICROCHIP

217 / 484 page

 2016-2018 Microchip Technology Inc.

DS70005258C-page 217

dsPIC33EPXXXGS70X/80X FAMILY

17.0 PERIPHERAL TRIGGER

GENERATOR (PTG) MODULE

17.1

Module Introduction

The Peripheral Trigger Generator (PTG) provides a

means to schedule complex, high-speed peripheral

operations that would be difficult to achieve using soft-

ware. The PTG module uses 8-bit commands, called

“Steps”, that the user writes to the PTG Queue register

(PTGQUE0-PTQUE15) which performs operations,

such as wait for input signal, generate output trigger

and wait for timer.

The PTG module has the following major features:

• Multiple Clock Sources

• Two 16-Bit General Purpose Timers

• Two 16-Bit General Limit Counters

• Configurable for Rising or Falling Edge Triggering

• Generates Processor Interrupts to include:

- Four configurable processor interrupts

- Interrupt on a Step event in Single-Step mode

- Interrupt on a PTG Watchdog Timer time-out

• Able to Receive Trigger Signals from these

Peripherals:

-ADC

-PWM

- Output Compare

- Input Capture

- Comparator

-INT2

• Able to Trigger or Synchronize to these

Peripherals:

- Watchdog Timer

- Output Compare

- Input Capture

-ADC

-PWM

- Comparator

Note 1: This data sheet summarizes the features

of the dsPIC33EPXXXGS70X/80X family

of devices. It is not intended to be a

comprehensive reference source. To

complement the information in this data

sheet, refer to “Peripheral Trigger

Generator (PTG)” (DS70000669) in

the “dsPIC33/PIC24 Family Reference

Manual”, which is available from the

Microchip website (www.microchip.com).

2: Some registers and associated bits

described in this section may not be

available on all devices. Refer to

Section 4.0 “Memory Organization” in

this data sheet for device-specific register

and bit information.

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