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Section 20 Controller Area Network
Page 1004 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
20.3.3 Control Registers
The following sections describe control registers. The address is mapped as follow.
Important: These registers can only be accessed in Word size (16-bit).
Register Name Address Abbreviation Access Size (bits)
Master Control Register 000 MCR 16
General Status Register 002 GSR 16
Bit Configuration Register 1 004 BCR1 16
Bit Configuration Register 0 006 BCR0 16
Interrupt Request Register 008 IRR 16
Interrupt Mask Register 00A IMR 16
Error Counter Register 00C TEC/REC 16
Figure 20.9 Control Registers
(1) Master Control Register (MCR)
The Master Control Register (MCR) is a 16-bit read/write register that controls this module.
MCR (Address = H'000)
1514131211109876543210
1000000000000001
R/W R/W RRRR/W R/W R/W R/W R/W R/W RRR/W R/W R/W
MCR15 MCR14 TST[2:0] MCR7 MCR6 MCR5 MCR2 MCR1 MCR0
Bit:
Initial value:
R/W:
--- --
Bit 15 — ID Reorder (MCR15): This bit changes the order of STDID, RTR, IDE and EXTID of
both message control and LAFM.
Bit15: MCR15 Description
0 This module is the same as HCAN2
1 This module is not the same as HCAN2 (Initial value)