Fujitsu MB90390 Series Hardware Manual page 501

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■ State during Bus Operation Stop (HALT = 1)
• The bus does not perform any operation, such as transmission and reception.
• The transmit output pin (TX) outputs a "H" level (recessive bit).
• The values of other registers and error counters are not changed.
Note:
The bit timing register (BTR) should be set during bus operation stop (HALT = 1).
CHAPTER 23 CAN CONTROLLER
473

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