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Section 20 Controller Area Network
Page 1010 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit 5: GSR5 Description
0 This module is not in Error Passive or in Bus Off status (Initial value)
[Reset condition] This module is in Error Active state
1 This module is in Error Passive (if GSR0 = 0) or Bus Off (if GSR0 = 1)
[Setting condition] When TEC 128 or REC 128 or if Error Passive Test
Mode is selected
Bit 4 — Halt/Sleep Status Bit (GSR4): Indicates whether the CAN engine is in the halt/sleep
state or not. Please note that the clearing time of this flag is not the same as the setting time of
IRR12.
Please note that this flag reflects the status of the CAN engine and not of the full this module IP.
This module exits sleep mode and can be accessed once MCR5 is cleared. The CAN engine exits
sleep mode only after two additional transmission clocks on the CAN Bus.
Bit 4: GSR4 Description
0 This module is not in the Halt state or Sleep state (Initial value)
1 Halt mode (if MCR1 = 1) or Sleep mode (if MCR5 = 1)
[Setting condition] If MCR1 is set and the CAN bus is either in intermission or
idle or MCR5 is set and this module is in the halt mode or this module is
moving to Bus Off when MCR14 and MCR6 are both set
Bit 3 — Reset Status Bit (GSR3): Indicates whether this module is in the reset state or not.
Bit 3: GSR3 Description
0 This module is not in the reset state
1 Reset state (Initial value)
[Setting condition] After an internal reset of this module (due to SW or HW
reset)