HD6417750RF240V Datasheet, PDF (424/606 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
2
GSR2
1
R
Message Transmission Status Flag
Flag that indicates whether the module is currently in
the message transmission period. This bit cannot be
modified.
[Setting condition]
• Third intermission bit after EOF (End of Frame)
[Clearing condition]
• Start of message transmission (SOF)
1
GSR1
0
R
Transmit/Receive Warning Flag
This bit cannot be modified.
[Clearing conditions]
• When TEC < 96 and REC < 96
• When TEC ≥ 256
[Setting condition]
• When TEC ≥ 96 or REC ≥ 96
0
GSR0
0
R
Bus Off Flag
This bit cannot be modified.
[Setting condition]
• When TEC ≥ 256 (bus off state)
[Clearing condition]
• Recovery from bus off state
Rev. 7.00 Sep. 11, 2009 Page 388 of 566
REJ09B0211-0700