MC908GR32AVFAE Datasheet, PDF (181/314 Pages) Freescale Semiconductor, Inc – Microcontrollers

ESCI Arbiter
If SCI_TxD senses 0 without having sensed a 0 before on RxD, the counter will be reset, arbitration
operation will be restarted after the next rising edge of SCI_TxD.
MEASURED TIME
RXD
Figure 13-21. Bit Time Measurement with ACLK = 0
MEASURED TIME
RXD
Figure 13-22. Bit Time Measurement with ACLK = 1, Scenario A
MEASURED TIME
RXD
Figure 13-23. Bit Time Measurement with ACLK = 1, Scenario B
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
Freescale Semiconductor
181