參數(shù)資料
型號: QSMRM
英文描述: QSMRM QSM Queued Serial Module Reference Manual
中文描述: QSMRM QSM排隊串行模塊參考手冊
文件頁數(shù): 49/112頁
文件大?。?/td> 1496K
代理商: QSMRM
QSM
REFERENCE MANUAL
QSPI SUBMODULE
MOTOROLA
4-21
Figure 4-4 Flowchart of QSPI Master Operation (Part 3)
ASSERT SPIF
STATUS FLAG
INTERRUPT CPU
IS INTERRUPT
ENABLE BIT SPIFIE
ASSERTED
IS WRAP
ENABLE BIT
ASSERTED
YES
NO
RESET QUEUE POINTER
TO NEWQP OR $0000
DISABLE QSPI
A
INCREMENT QUEUE
POINTER
IS HALT
OR FREEZE
ASSERTED
A
HALT QSPI AND
ASSERT HALTA
IS INTERRUPT
ENABLE BIT HMIE
ASSERTED
INTERRUPT CPU
IS HALT
OR FREEZE
ASSERTED
C
IS THIS THE
LAST COMMAND
IN THE QUEUE
YES
NO
YES
NO
NO
YES
NO
YES
NO
(PROCEED TO FIGURE 4–5)
YES
(PROCEED TO FIGURE 4–5)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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