Motorola MPC533 Reference Manual page 677

SCI Queue Operation
15.8.6 Example QSCI1 Transmit for 17 Data Bytes
Figure 15-36 below shows a transmission of 17 data frames. The bold type indicates the
current value for QTPNT and QPEND. The italic type indicates the action just performed
by hardware. Regular type indicates the actions that should be performed by software
before the next event.
MOTOROLA Chapter 15. Queued Serial Multi-Channel Module 15-71
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE