MC68HC08GZ32 Datasheet, PDF (197/320 Pages) Freescale Semiconductor, Inc – Microcontrollers

ESCI Arbiter
If SCI_TxD is sensed logic 0 without having sensed a logic 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 14-21. Bit Time Measurement with ACLK = 0
MEASURED TIME
RXD
Figure 14-22. Bit Time Measurement with ACLK = 1, Scenario A
MEASURED TIME
RXD
Figure 14-23. Bit Time Measurement with ACLK = 1, Scenario B
MC68HC08GZ32 Data Sheet, Rev. 3
Freescale Semiconductor
197