h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 670
h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
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Section 16 Controller Area Network (HCAN)
Bit 1—Halt Request (MCR1): Controls halting of the HCAN module.
Bit 0—Reset Request (MCR0): Controls resetting of the HCAN module.
In order for GSR3 to change from 1 to 0 after 0 is written to MCR0, time is required before the
HCAN is internally reset. There is consequently a delay before GSR3 is cleared to 0 after MCR0
is cleared to 0.
16.2.2
The general status register (GSR) is an 8-bit readable register that indicates the status of the CAN
bus.
Bits 7 to 4—Reserved: These bits always read 0.
Rev. 6.00 Feb 22, 2005 page 610 of 1484
REJ09B0103-0600
Bit 1: MCR1
0
1
Bit 0: MCR0
0
1
Initial value:
GSR
General Status Register (GSR)
R/W:
Bit:
Description
HCAN normal operating mode
HCAN halt mode transition request
Description
Normal operating mode (MCR0 = 0 and GSR3 = 0)
[Setting condition]
HCAN reset mode transition request
—
R
7
0
When 0 is written after an HCAN reset
—
R
6
0
—
R
5
0
—
R
4
0
GSR3
R
3
1
GSR2
R
2
1
GSR1
R
1
0
(Initial value)
(Initial value)
GSR0
R
0
0
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