DSPIC30F6012A Microchip Technology Inc., DSPIC30F6012A Datasheet - Page 114

• Manufacturer Part Number: DSPIC30F6012A
• Description: Dspic30f6011a/6012a/6013a/6014a High-performance Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

dsPIC30F6011A/6012A/6013A/6014A
FIGURE 17-1:
DS70143C-page 112
Message
BUFFERS
PROTOCOL
ENGINE
Control
Queue
Note 1:
TXB0
i = 1 or 2 refers to a particular CAN module (CAN1 or CAN2).
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
Transmit
CiTX
Logic
Transmit Byte Sequencer
TXB1
(1)
CRC Generator
Transmit Shift
TXB2
Preliminary
A
c
c
e
p
t
R
X
B
0
Receive Shift
CRC Check
Acceptance Mask
Acceptance Filter
Acceptance Filter
Data Field
Identifier
RXM0
RXF0
RXF1
Timing
CiRX
Logic
Bit
(1)
© 2006 Microchip Technology Inc.
M
A
B
Transmit
Receive
Counter
Counter
Identifier
Acceptance Mask
Acceptance Filter
Acceptance Filter
Acceptance Filter
Acceptance Filter
Protocol
Machine
Data Field
Error
Error
Finite
State
RXM1
RXF2
RXF3
RXF4
RXF5
Bit Timing
Generator
TERRCNT
RERRCNT
Err Pas
Bus Off
R
X
B
1
A
c
c
e
p
t