AT89C51CC02CA-TDSUM ATMEL [ATMEL Corporation], AT89C51CC02CA-TDSUM Datasheet - Page 78

• Manufacturer Part Number: AT89C51CC02CA-TDSUM
• Description: Enhanced 8-bit Microcontroller with CAN Controller and Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 36. CAN Controller Block Diagram
CAN Controller Mailbox
and Registers
Organization
78
AT/T89C51CC02
TxDC
RxDC
Register
The pagination allows management of the 91 registers including 80(4 x 20) Bytes of
mailbox via 32 SFRs.
All actions on the message object window SFRs apply to the corresponding message
object registers pointed by the message object number find in the Page message object
register (CANPAGE) as illustrate in Figure 37.
Page
Timing
Logic
bit
Interface
Bus
µC-Core Interface
DPR(Mailbox + Registers)
Rec/Tec
Counter
Error
Control
Core
Receive
Stuffing /Destuffing
Redundancy Check
Cyclic
bit
Transmit
Encoder
Priority
4126J–CAN–05/06