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AT89C51CC03U-RDTIM Fiches technique(PDF) 87 Page - ATMEL Corporation |
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AT89C51CC03U-RDTIM Fiches technique(HTML) 87 Page - ATMEL Corporation |
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87 / 183 page ![]() 87 AT89C51CC03 4182B–CAN–09/03 CAN Controller Mailbox and Registers Organization The pagination allows management of the 321 registers including 300(15x20) Bytes of mailbox via 34 SFR’s. 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 44. Figure 44. CAN Controller Memory Organization Ch.14 - ID Tag - 1 Ch.14 - ID Tag - 2 Ch.14 - ID Tag - 4 Ch.14 - ID Tag - 3 Ch.14 - ID Mask - 1 Ch.14 - ID Mask - 2 Ch.14 - ID Mask - 4 Ch.14 - ID Mask - 3 Ch.14 - Message Data - byte 0 General Control General Status Bit Timing - 1 Bit Timing - 2 Bit Timing - 3 Enable Interrupt Enable Interrupt message object - 1 Page message object message object Status message object Control and DLC Message Data ID Tag - 1 ID Tag - 2 ID Tag - 4 ID Tag - 3 ID Mask - 1 ID Mask - 2 ID Mask - 4 ID Mask - 3 message object 0 - Status message object 0 - Control and DLC Ch.0 - ID Tag - 1 Ch.0 - ID Tag - 2 Ch.0 - ID Tag - 4 Ch.0 - ID Tag - 3 Ch.0 - Message Data - byte 0 message object 14 - Status message object 14 - Control and DLC Enable Interrupt message object - 2 Status Interrupt message object - 1 Status Interrupt message object - 2 (message object number) (Data offset) SFR’s On-chip CAN Controller registers 15 message objects 8 Bytes TimStmp High TimStmp Low Ch.0 - ID Mask- 1 Ch.0 - ID Mask- 2 Ch.0 - ID Mask - 4 Ch.0 - ID Mask- 3 CANTimer High CANTimer Low TimTTC High TimTTC Low TEC counter REC counter Timer Control Enable message object - 1 Enable message object - 2 message object Window SFRs Ch.0 TimStmp High Ch.0 TimStmp Low Ch.14 TimStmp High Ch.14 TimStmp Low General Interrupt |
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