MC68HC16Z1 Datasheet, PDF (224/500 Pages) Freescale Semiconductor, Inc – M68HC16Z Series

Freescale Semiconductor, Inc.
QSPI CYCLE BEGINS
(SLAVE MODE)
A2
IS QSPI
Y
DISABLED
N
HAS NEWQP
Y
BEEN WRITTEN
N
READ TRANSMIT DATA
FROM RAM USING QUEUE
POINTER ADDRESS
QUEUE POINTER
CHANGED TO NEWQP
IS SLAVE
Y
SELECT PIN
ASSERTED
N
EXECUTE SERIAL TRANSFER
WHEN SCK RECEIVED
STORE RECEIVED DATA
IN RAM USING QUEUE
POINTER ADDRESS
WRITE QUEUE POINTER TO
CPTQP STATUS BITS
B2
Figure 9-8 Flowchart of QSPI Slave Operation (Part 1)
QSPI SLV1 FLOW 5
9-14
QUEUED SERIAL MODULE
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M68HC16 Z SERIES
USER’S MANUAL