參數(shù)資料
型號(hào): QSMRM
英文描述: QSMRM QSM Queued Serial Module Reference Manual
中文描述: QSMRM QSM排隊(duì)串行模塊參考手冊(cè)
文件頁數(shù): 95/112頁
文件大小: 1496K
代理商: QSMRM
QSM
REFERENCE MANUAL
USING THE QSPI FOR ANALOG DATA AQUISITION
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
A-17
X = DON’T CARE, UNUSED
Figure A-10 Example Queue Structure and Operation Flow
QUEUE
TRANSMIT RAM
(ADDR)CONTENTS
CONTROL RAM
(ADDR) CONTENTS
RECEIVE RAM
(ADDR)CONTENTS
ENTRY NUMBER
0
(FFFD20,1) A/D MUX. ADDR. 3
(FFFD40) 1 0 BIT, DSCK, DT ENABLES, PCS0 = 0
(FFFD00,1) A/D CHANNEL 6 RESULT
1
(FFFD22,3) A/D MUX. ADDR. 4
(FFFD41) 1 0 BIT, DSCK, DT ENABLES, PCS0 = 0
(FFFD02,3) A/D CHANNEL 3 RESULT
ENDQP
2
(FFFD24,5) A/D MUX. ADDR. 6
(FFFD42) 1 0 SIT, DSCK, DT ENABLES, PCS0 = 0
(FFFD04,5) A/D CHANNEL 4 RESULT
3
(X)
X
(X)
X
(X)
X
4
(X)
X
(X)
X
(X)
X
E
(X)
X
(X)
X
(X)
X
NEWQP
F
(FFFD3E,F) A/D MUX. ADDR. 6
(FFFD4F) 10 BIT, DSCK, DT ENABLES, PCSO 0
(FFFDI E,F) A/D INVALID DATA
ENTRY NUMBER
QSPI OPERATION FLOW
NOTE:
WRTO = 0
START NEWQP
F
REQUEST A/D CHANNEL 6, GET UNDEFINED DATA
WREN = 1
0
REQUEST A/D CHANNEL 3, GET CHANNEL 6 RESULT
NEWQP = F
1
REQUEST A/D CHANNEL 4, GET CHANNEL 3 RESULT
ENDQP = Z
ENDQP
2
REQUEST A/D CHANNEL 6, GET CHANNEL 4 RESULT
SET SPIF AFTER COMPLETION OF ENTRY #2
0
REQUEST A/D CHANNEL 3, GET CHANNEL 6 RESULT
1
REQUEST A/D CHANNEL 4, GET CHANNEL 3 RESULT
2
REQUEST A/D CHANNEL 6, GET CHANNEL 4 RESULT
0
REQUEST A/D CHANNEL 3, GET CHANNEL 6 RESULT
1
REQUEST A/D CHANNEL 4, GET CHANNEL 3 RESULT
2
REQUEST A/D CHANNEL 6, GET CHANNEL 4 RESULT
F
Freescale Semiconductor, Inc.
n
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