260
7679H–CAN–08/08
AT90CAN32/64/128
19.10.13 CAN TTC Timer Registers - CANTTCL and CANTTCH
• Bits 15:0 - TIMTTC15:0: TTC Timer Count
CAN TTC timer counter range 0 to 65,535.
19.10.14 CAN Transmit Error Counter Register - CANTEC
• Bit 7:0 – TEC7:0: Transmit Error Count
CAN transmit error counter range 0 to 255.
19.10.15 CAN Receive Error Counter Register - CANREC
• Bit 7:0 – REC7:0: Receive Error Count
CAN receive error counter range 0 to 255.
19.10.16 CAN Highest Priority MOb Register - CANHPMOB
• Bit 7:4 – HPMOB3:0: Highest Priority MOb Number
MOb having the highest priority in CANSIT registers.
If CANSIT = 0 (no MOb), the return value is 0xF.
Note: Do not confuse “MOb priority” and “Message ID priority”.See “Message Objects” on page 243.
• Bit 3:0 – CGP3:0: CAN General Purpose Bits
These bits can be pre-programmed to match with the wanted configuration of the CANPAGE
register (i.e., AINC
and INDX2:0 setting).
19.10.17 CAN Page MOb Register - CANPAGE
Bit 76543210
TIMTTC7 TIMTTC6 TIMTTC5 TIMTTC4 TIMTTC3 TIMTTC2 TIMTTC1 TIMTTC0 CANTTCL
TIMTTC15 TIMTTC14 TIMTTC13 TIMTTC12 TIMTTC11 TIMTTC10 TIMTTC9 TIMTTC8 CANTTCH
Bit 15141312111098
Read/WriteRRRRRRRR
Initial Value 0 0 0 0 0 0 0 0
Bit 76543210
TEC7 TEC6 TEC5 TEC4 TEC3 TEC2 TEC1 TEC0 CANTEC
Read/Write R R R R R R R R
Initial Value00000000
Bit 76543210
REC7 REC6 REC5 REC4 REC3 REC2 REC1 REC0 CANREC
Read/Write R R R R R R R R
Initial Value00000000
Bit 76543210
HPMOB3 HPMOB2 HPMOB1 HPMOB0 CGP3
CGP2CGP1CGP0 CANHPMOB
Read/Write R R R R R/W R/W R/W R/W
Initial Value 1 1 1 1 0 0 0 0
Bit 76543210
MOBNB3 MOBNB2 MOBNB1 MOBNB0 AINC
INDX2 INDX1 INDX0 CANPAGE
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000
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