MC68HC16Z1 Datasheet, PDF (221/500 Pages) Freescale Semiconductor, Inc – M68HC16Z Series

Freescale Semiconductor, Inc.
QSPI CYCLE BEGINS
(MASTER MODE)
A1
IS QSPI
Y
DISABLED
N
HAS NEWQP
Y
BEEN WRITTEN
N
READ COMMAND CONTROL
AND TRANSMIT DATA
FROM RAM USING QUEUE
POINTER ADDRESS
ASSERT PERIPHERAL
CHIP-SELECT(S)
WORKING QUEUE POINTER
CHANGED TO NEWQP
IS PCS TO
Y
SCK DELAY
PROGRAMMED
N
EXECUTE STANDARD DELAY
EXECUTE PROGRAMMED DELAY
EXECUTE SERIAL TRANSFER
STORE RECEIVED DATA
IN RAM USING QUEUE
POINTER ADDRESS
B1
Figure 9-5 Flowchart of QSPI Master Operation (Part 1)
QSPI FLOW 2
M68HC16 Z SERIES
USER’S MANUAL
QUEUED SERIAL MODULE
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