Motorola MPC533 Reference Manual page 639

C1
Is this the
Last Command
in the Queue?
N
Increment Working
Queue Pointer
Is HALT
Or FREEZE
Asserted?
N
A1
Figure 15-21. Flowchart of QSPI Master Operation (Part 3)
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Y
Enable Bit SPIFIE
Y
Chapter 15. Queued Serial Multi-Channel Module
Queued Serial Peripheral Interface
Assert SPIF
Status Flag
Is Interrupt
Y
Set?
N
Is Wrap
Y
Enable Bit
Set?
N
Disable QSPI
A1
Halt QSPI and
Set HALTA
Is Interrupt
Y
Enable Bit
HMIE Set?
N
Is HALT
Y
Or FREEZE
Asserted?
N
Request Interrupt
Reset Working Queue
Pointer to NEWQP or 0x0000
Request Interrupt
15-33