PIC18LF4331T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4331T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

Microchip Technology 

PIC18F2331/2431/4331/4431

FIGURE 18-1:

POWER CONTROL PWM MODULE BLOCK DIAGRAM

Internal Data Bus

8

PWMCON0

8

PWMCON1

PWM Enable and Mode

8

DTCON

Dead-Time Control

8

FLTCONFIG

Fault Pin Control

8

OVDCON<D/S>

PWM Manual Control

PWM Generator #3(1)

8

PDC3 Buffer

PDC3

8

PTMR

Comparator

PTPER

8

PTPER Buffer

8

PTCON

Comparator

PWM

Generator 2

PWM

Generator 1

PWM

Generator 0

Channel 3

Dead-Time Generator

and Override Logic(2)

Channel 2

Dead-Time Generator

and Override Logic

Channel 1

Dead-Time Generator

and Override Logic

Output

Driver

Block

Channel 0

Dead-Time Generator

and Override Logic

PWM7(2)

PWM6(2)

PWM5

PWM4

PWM3

PWM2

PWM1

PWM0

FLTA

FLTB(2)

Comparator

8

SEVTDIR

SEVTCMP

PTDIR

Special Event

Postscaler

Special Event Trigger

Note 1:

2:

Only PWM Generator 3 is shown in detail. The other generators are identical; their details are omitted for clarity.

PWM Generator 3 and its logic, PWM Channels 6 and 7, and FLTB and its associated logic are not implemented on

PIC18F2331/2431 devices.

DS39616D-page 174

 2010 Microchip Technology Inc.

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