參數資料
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: 4/112頁
文件大小: 1496K
代理商: QSMRM
MOTOROLA
iv
QSM
REFERENCE MANUAL
(Continued)
Title
Paragraph
Page
TABLE OF CONTENTS
4.1.6
4.1.7
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.6.1
4.3.6.2
4.3.6.3
4.4
4.4.1
4.4.1.1
4.4.1.2
4.4.2
4.4.2.1
4.4.2.2
Programmable Queue Pointer ...........................................................4-2
Continuous Transfer Mode ................................................................4-2
Block Diagram ...........................................................................................4-3
QSPI Programmer's Model and Registers ................................................4-3
QSPI Control Register 0 (SPCR0) ....................................................4-4
QSPI Control Register 1 (SPCR1) ....................................................4-6
QSPI Control Register 2 (SPCR2) ....................................................4-8
QSPI Control Register 3 (SPCR3) ..................................................4-10
QSPI Status Register (SPSR) .........................................................4-11
QSPI RAM .......................................................................................4-12
Receive Data RAM ..................................................................4-13
Transmit Data RAM .................................................................4-14
Command RAM .......................................................................4-14
Operating Modes and Flowcharts ...........................................................4-16
Master Mode ...................................................................................4-24
Master Mode Operation ..........................................................4-24
Master Wraparound Mode ......................................................4-25
Slave Mode .....................................................................................4-26
Description of Slave Operation ...............................................4-26
Slave Wraparound Mode ........................................................4-28
SECTION 5
SCI SUBMODULE
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.3
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
Features ....................................................................................................5-1
SCI Programmer's Model and Registers ...................................................5-2
SCI Control Register 0 (SCCR0) .......................................................5-5
SCI Control Register 1 (SCCR1) .......................................................5-6
SCI Status Register (SCSR) .............................................................5-9
SCI Data Register (SCDR) ..............................................................5-12
Transmitter Operation .............................................................................5-13
Receiver Operation .................................................................................5-15
Receiver Bit Processor ....................................................................5-16
Receiver Functional Operation ........................................................5-20
Idle-Line Detect .......................................................................5-21
Receiver Wakeup ....................................................................5-22
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
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