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R01UH0025EJ0300 Rev. 3.00
Page xxiii of xxxii
Sep 24, 2010
19.1.4
References......................................................................................................... 814
19.1.5
Features............................................................................................................. 814
19.2
Architecture ...................................................................................................................... 815
19.2.1
Block Diagram .................................................................................................. 815
19.2.2
Functions of Each Block ................................................................................... 816
19.2.3
Input/Output Pins .............................................................................................. 817
19.2.4
Memory Map .................................................................................................... 818
19.3
Mailbox............................................................................................................................. 819
19.3.1
Mailbox Structure ............................................................................................. 819
19.3.2
Message Control Field ...................................................................................... 821
19.3.3
Local Acceptance Filter Mask (LAFM)............................................................ 825
19.3.4
Message Data Fields ......................................................................................... 826
19.4
RCAN-ET Control Registers ............................................................................................ 827
19.4.1
Master Control Register (MCR) ....................................................................... 827
19.4.2
General Status Register (GSR) ......................................................................... 833
19.4.3
Bit Configuration Register (BCR0, BCR1) ...................................................... 836
19.4.4
Interrupt Request Register (IRR) ...................................................................... 841
19.4.5
Interrupt Mask Register (IMR) ......................................................................... 847
19.4.6
Transmit Error Counter (TEC) and Receive Error Counter (REC)................... 848
19.5
RCAN-ET Mailbox Registers........................................................................................... 849
19.5.1
Transmit Pending Register (TXPR0, TXPR1) .................................................. 850
19.5.2
Transmit Cancel Register 0 (TXCR0)............................................................... 853
19.5.3
Transmit Acknowledge Register 0 (TXACK0) ................................................ 854
19.5.4
Abort Acknowledge Register 0 (ABACK0) ..................................................... 855
19.5.5
Data Frame Receive Pending Register 0 (RXPR0)........................................... 856
19.5.6
Remote Frame Receive Pending Register 0 (RFPR0)....................................... 857
19.5.7
Mailbox Interrupt Mask Register 0 (MBIMR0)................................................ 858
19.5.8
Unread Message Status Register 0 (UMSR0) ................................................... 859
19.6
Application Note............................................................................................................... 860
19.6.1
Configuration of RCAN-ET.............................................................................. 860
19.6.2
Test Mode Settings ........................................................................................... 865
19.6.3
Message Transmission Sequence...................................................................... 867
19.6.4
Message Receive Sequence .............................................................................. 869
19.6.5
Reconfiguration of Mailbox.............................................................................. 871
19.7
Interrupt Sources............................................................................................................... 873
19.8
CAN Bus Interface............................................................................................................ 875
19.9
Usage Notes ...................................................................................................................... 876
19.9.1
Module Standby Mode...................................................................................... 876
19.9.2
Reset ................................................................................................................. 876
19.9.3
CAN Sleep Mode.............................................................................................. 876