PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 200

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PIC18F258

Manufacturer Part Number
PIC18F258
Description
High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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PIC18FXX8
FIGURE 19-1:
DS41159B-page 198
BUFFERS
PROTOCOL
ENGINE
Message
Control
Queue
Message
Request
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
TXREQ
TXABT
TXLARB
TXERR
TXBUFF
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
Transmit Byte Sequencer
MESSAGE
MESSAGE
MESSAGE
TXB0
TXB1
TXB2
Transmit
Logic
Transmit Shift
Transmit
Counter
Error
Preliminary
CRC Register
TX
Comparator
Protocol
FSM
Identifier
Receive Shift
RX
Receive
Counter
Acceptance Mask
Error
Acceptance Filter
Acceptance Filter
RXM0
RXF0
RXF1
RXB0
Bit Timing
Bit Timing
Generator
Logic
Message Assembly Buffer
Data and
Identifier
Accept
Accept
Data and
Identifier
 2002 Microchip Technology Inc.
Acceptance Mask
Acceptance Filter
Acceptance Filter
Acceptance Filter
Acceptance Filter
RXERRCNT
Bus-Off
Err-Pas
TXERRCNT
RXB1
RXM1
RXM2
RXF3
RXF4
RXF5
Identifier

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