HD6432646 Hitachi, HD6432646 Datasheet - Page 571

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit 3—Reset Status Bit (GSR3): Indicates whether the HCAN module is in the normal operating
state or the reset state. This bit cannot be written to.
Bit 3: GSR3
0
1
Bit 2—Message Transmission Status Flag (GSR2): Flag that indicates whether the module is
currently in the message transmission period. The “message transmission period” is the period
from the start of message transmission (SOF) until the end of a 3-bit intermission interval after
EOF (End of Frame). This bit cannot be written to.
Bit 2: GSR2
0
1
Bit 1—Transmit/Receive Warning Flag (GSR1): Flag that indicates an error warning. This bit
cannot be written to.
Bit 1: GSR1
0
1
Bit 0—Bus Off Flag (GSR0): Flag that indicates the bus off state. This bit cannot be written to.
Bit 0: GSR0
0
1
Description
Normal operating state
[Setting condition]
After an HCAN internal reset
Configuration mode
[Reset condition]
MCR0 reset mode and sleep mode
Description
Message transmission period
[Reset Condition]
Idle period
Description
[Reset condition]
When TEC < 96 and REC < 96 or TEC
When TEC
Description
[Reset condition]
Recovery from bus off state
When TEC
96 or REC
256 (bus off state)
96
256
(Initial value)
(Initial value)
(Initial value)
(Initial value)
537