r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 751

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

19.2
The RCAN-ET device offers a flexible and sophisticated way to organise and control CAN
frames, providing the compliance to CAN2.0B Active and ISO-11898-1. The module is formed
from 5 different functional entities. These are the Micro Processor Interface (MPI), Mailbox,
Mailbox Control and CAN Interface. The figure below shows the block diagram of the RCAN-ET
Module. The bus interface timing is designed according to the peripheral bus I/F required for each
product.
peripheral
16-bit
bus
Architecture
pwait_can_n
pms_can_n
scan_mode
p_write_n
p_read_n
preset_n
psize_n
IrQs
clkp
pa
pd
CAN Interface
MCR
GSR
BCR
Micro Processor
Interface
Figure 19.1 RCAN-ET Architecture
IRR
IMR
REC
Transmit Buffer
CRx0
Can Core
Receive Buffer
Section 19 Controller Area Network (RCAN-ET)
CTx0
Rev. 1.00 Sep. 21, 2007 Page 725 of 1124
Mailbox0
Mailbox1
Mailbox2
Mailbox3
Mailbox4
Mailbox5
Mailbox6
Mailbox7
Mailbox 0 - 15 (RAM)
Mailbox0
Mailbox1
Mailbox2
Mailbox3
Mailbox4
Mailbox5
Mailbox6
Mailbox7
Mailbox 0 - 15 (register)
MBIMR
TXPR
TXCR
RXPR
TEC
Control
Signals
Mailbox Control
Mailbox8
Mailbox9
Mailbox10
Mailbox11
Mailbox12
Mailbox13
Mailbox14
Mailbox15
Mailbox8
Mailbox9
Mailbox10
Mailbox11
Mailbox12
Mailbox13
Mailbox14
Mailbox15
ABACK
TXACK
UMSR
RFPR
Status
Signals
REJ09B0402-0100
control0
LAFM
DATA
control1