PIC18F2480 MICROCHIP [Microchip Technology], PIC18F2480 Datasheet - Page 276

• Manufacturer Part Number: PIC18F2480
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2480/2580/4480/4580
FIGURE 23-1:
DS39637A-page 274
BUFFERS
Message
PROTOCOL
ENGINE
Control
Queue
TXB0
Transmit
Logic
TX
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
{Transmit<5:0>, Receive<8:0>}
Transmit Byte Sequencer
TXB1
Shift<14:0>
Transmit<7:0>
Transmit Option
TXB2
CRC<14:0>
Comparator
Preliminary
Receive<8:0>
A
c
c
e
p
t
MODE 1, 2
MESSAGE
6 TX/RX
MODE 0
BUFFERS
Buffers
Buffers
2 RX
Acceptance Filters
Acceptance Filters
(RXF06-RXF15)
(RXF0-RXF05)
MODE 1, 2
MODE 0
Timing
Logic
Data Field
Bit
RX
Identifier
16 – 4 to 1 MUXs
 2004 Microchip Technology Inc.
M
RXF15
A
B
Transmit
Machine
Receive
Protocol
Counter
Counter
Configuration
Finite
State
Error
Error
Generator
Registers
Clock
V
CC
REC
TEC
Err-Pas
Bus-Off
Rcv Byte