SH7047F Datasheet, PDF (65/85 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7047 Series

(b) Once it has been confirmed that the transmission end flag has been set, the transmission
end flag is cleared, completing the operation.
5.2 Transmission and Reception Specifications, Function Description
Tables 5.1 and 5.2 list the functions allocated to registers. (See example 1 for information on pins
and port registers.)
Table 5.1 HCAN-2 Function Allocation
Register
Common
transmission
and reception
registers
Transmission
registers
Function
MCR
Master control register
Controls operation of HCAN-2.
BCR0
Bit timing configuration registers
BCR1
Used to set baud rate prescaler and bit timing parameters of
CAN.
IRR
Interrupt request register
Shows status of interrupt sources.
MBx MC0 Message control register
Used to set identifier and whether frames are data frames or
remote frames.
MC4 Message control register
Used to select transmission or reception.
MC5 Message control register
Used to set the data length.
MD7 to Message data registers
MD14 _{Store transmitted and received CAN message data.}
LAFM15 Local acceptance filter mask
Used to set filter mask for identifier of reception mailbox.
TXPR
Transmission wait register
Used to set transmission wait status after transmitted message
is stored in mailbox.
TXACK
Transmission acknowledge register
Indicates that the transmitted message has been properly
transmitted to the corresponding mailbox.
Rev. 1.00, 08/03, page 57 of 74