mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 141

• Manufacturer Part Number: mc68331cpv20b1
• Description: Mc68331 32 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68331
USER’S MANUAL
Figure 6-6 Flowchart of QSPI Slave Operation (Part 1)
EXECUTE SERIAL TRANSFER
WRITE QUEUE POINTER TO
FROM RAM USING QUEUE
STORE RECEIVED DATA
READ TRANSMIT DATA
IN RAM USING QUEUE
WHEN SCK RECEIVED
Freescale Semiconductor, Inc.
CPTQP STATUS BITS
POINTER ADDRESS
POINTER ADDRESS
BEEN WRITTEN
For More Information On This Product,
HAS NEWQP
SELECT PIN
ASSERTED
DISABLED
IS SLAVE
IS QSPI
B2
C
?
?
?
NO
NO
NO
QUEUED SERIAL MODULE
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YES
YES
YES
CHANGED TO NEWQP
QUEUE POINTER
QSPI FLOW 5
6-15
6