Renesas H8SX/1520 Series Hardware Manual page 493

Bit Bit Name
2 GSR2
1 GSR1
0 GSR0
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Initial
Value R/W Description
1 R Message Transmission Status Flag
Indicates whether the module is currently in the
message transmission period. This bit cannot be
modified.
[Setting condition]
•
[Clearing condition]
•
0 R Transmit/Receive Warning Flag
This bit cannot be modified.
[Clearing condition]
•
•
[Setting condition]
•
0 R Bus Off Flag
This bit cannot be modified.
[Setting condition]
•
[Clearing condition]
•
Section 13 Controller Area Network (HCAN)
Start of message transmission (SOF)
Third bit of Intermission after EOF (End of
Frame)
When TEC < 96 and REC < 96
When TEC ≥ 256 (bus off state)
When TEC ≥ 96 or REC ≥ 96
When TEC ≥ 256 (bus off state)
Recovery from bus off state
Rev. 3.00 Mar. 14, 2006 Page 455 of 804
REJ09B0104-0300