HD6417750RF240V Datasheet, PDF (423/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 Controller Area Network (HCAN)
Bit Bit Name Initial Value R/W Description
0
MCR0
1
R/W Reset Request
When this bit is set to 1, the HCAN transits to reset
mode. For details, refer to section 15.4.1, Hardware
and Software Resets.
[Setting conditions]
• Power-on reset
• Hardware standby
• Software standby
• 1-write (software reset)
[Clearing condition]
• When 0 is written to this bit while the GSR3 bit in
GSR is 1
15.3.2 General Status Register (GSR)
The general status register (GSR) is an 8-bit that indicates the status of the CAN bus.
Bit Bit Name Initial Value R/W
7 to —
All 0
R
4
3
GSR3
1
R
Description
Reserved
These bits are always read as 0. Only 0 should be
written to these bits.
Reset Status Bit
Indicates whether the HCAN module is in the normal
operating state or the reset state. This bit cannot be
modified.
[Setting conditions]
• When entering configuration mode after the
HCAN internal reset has finished
• Sleep mode
[Clearing condition]
• When entering normal operation mode after the
MCR0 bit in MCR is cleared to 0 (Note that there
is a delay between clearing of the MCR0 bit and
the GSR3 bit.)
Rev. 7.00 Sep. 11, 2009 Page 387 of 566
REJ09B0211-0700