Microchip Technology MA330031-2 Data Sheet

Microchip Technology

dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X

DS70000657H-page 288

 2011-2013 Microchip Technology Inc.

FIGURE 21-1:

ECAN™ MODULE BLOCK DIAGRAM

Message Assembly

CAN Protocol

Engine

CxTx

Buffer

CxRx

RxF14 Filter

RxF13 Filter

RxF12 Filter

RxF11 Filter

RxF10 Filter

RxF9 Filter

RxF8 Filter

RxF7 Filter

RxF6 Filter

RxF5 Filter

RxF4 Filter

RxF3 Filter

RxF2 Filter

RxF1 Filter

RxF0 Filter

Transmit Byte

Sequencer

RxM1 Mask

RxM0 Mask

Control

Configuration

Logic

CPU

Bus

Interrupts

TRB0 TX/RX Buffer Control Register

RxF15 Filter

RxM2 Mask

TRB7 TX/RX Buffer Control Register

TRB6 TX/RX Buffer Control Register

TRB5 TX/RX Buffer Control Register

TRB4 TX/RX Buffer Control Register

TRB3 TX/RX Buffer Control Register

TRB2 TX/RX Buffer Control Register

TRB1 TX/RX Buffer Control Register

DMA Controller