MC68331CPV16 参数 Datasheet PDF下载

QSPI CYCLE BEGINS

(MASTER MODE)

IS QSPI

DISABLED

YES

HAS NEWQP

BEEN WRITTEN

WORKING QUEUE POINTER

CHANGED TO NEWQP

READ COMMAND CONTROL

AND TRANSMIT DATA

FROM RAM USING QUEUE

POINTER ADDRESS

ASSERT PERIPHERAL

CHIP-SELECT(S)

IS PCS TO

SCK DELAY

PROGRAMMED

YES

EXECUTE PROGRAMMED DELAY

EXECUTE STANDARD DELAY

EXECUTE SERIAL TRANSFER

STORE RECEIVED DATA

IN RAM USING QUEUE

POINTER ADDRESS

QSPI FLOW 2

Figure 6-5 Flowchart of QSPI Master Operation (Part 1)

MOTOROLA

6-12

QUEUED SERIAL MODULE

MC68331

USER’S MANUAL

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