h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 415

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

15.3.2
GSR is an 8-bit register that indicates the status of the CAN bus.
Bit
0
Bit
7 to
4
3
Bit Name
MCR0
Bit Name
GSR3
General Status Register (GSR)
Initial Value
1
Initial Value
All 0
1
R/W
R/W
R/W
R
R
Description
Reset Request
When this bit is set to 1, the HCAN transits to reset
mode. For details, refer to 15.4.1, Hardware and
Software Resets.
[Setting condition]
[Clearing condition]
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Reset Status Bit
Indicates whether the HCAN module is in the
normal operation state or the reset state. This bit
cannot be modified.
[Setting conditions]
[Clearing condition]
1-write (software reset)
When 0 is written to this bit while the GSR3 bit
in GSR is 1
When entering configuration mode after the
HCAN internal reset has finished
Sleep mode
When entering the normal operation state 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).
Section 15 Controller Area Network (HCAN)
Rev. 3.00 Oct 04, 2005 page 375 of 598
REJ09B0155-0300