SH7058 Datasheet, PDF (561/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

The following features have been added in the HCAN-II.
• IRR0 function to notify a software reset and halt
• Halt mode status bit and error passive status bit added to GSR
• Supports various test modes
• Data frame and remote frame are separated (IRR2 is independent from IRR1 and RXPR from
RFRR)
• When transmitting, the highest priority search is scanned from mailbox 31 down to mailbox 1
• When receiving, the matching ID search is scanned from mailbox 31 down to mailbox 0, and
one received message is only stored into one mailbox
• More flexible BCR
• Bus off/bus off recover interrupt (IRR6)
• Others:
• HCAN-II connection method: Two connections are available
32-buffer HCAN-II × 2 channels (transmit pin × 2 and receive pin × 2)
64-buffer HCAN-II (wire AND) × 1 channel (transmit pin × 1 and receive pin × 1)
• DMAC can be activated by a receive message of a mailbox (only mailbox 0 in HCAN0)
Rev. 3.0, 09/04, page 520 of 1086