Motorola MPC533 Reference Manual page 637

Figure 15-19. Flowchart of QSPI Master Operation (Part 1)
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
QSPI Cycle Begins
(Master Mode)
Is QSPI
Disabled?
N
Has NEWQP
Been Written?
N
Read Command Control
and Transmit Data
From RAM Using Queue
Pointer Address
Assert Peripheral
Chip Select(s)
Is PCS To
SCK Delay
Programmed?
N
Execute Standard Delay
Execute Serial Transfer
Store Received Data
In RAM Using Queue
Pointer Address
Chapter 15. Queued Serial Multi-Channel Module
Queued Serial Peripheral Interface
A1
Y
Y
Working Queue Pointer
Y
Execute Programmed Delay
B1
Changed to NEWQP
15-31