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): 103/112頁
文件大?。?/td> 1496K
代理商: QSMRM
QSM
REFERENCE MANUAL
MOTOROLA
-7
* PQSPAR — QSM Pin Assignment Register
0 = Input
1 = Output
TXD — Transmit Data
PCS[3:1] — Peripheral Chip-Selects 3–1
PSC0/SS — Peripheral Chip-Select 0/Slave Select
SCK — Serial Clock
MOSI — Master Out Slave In
MSTR — Master/Slave Mode Select
1 =QSPI is system master and can initiate transmission to external SPI devices.
0 =QSPI is a slave device, and only responds to externally generated serial MSTR.
WOMQ — Wired-OR Mode for QSPI Pins
1 =All QSPI port pins designated as output by DDRQS function as open-drain out-
puts.
0 =Output pins have normal outputs instead of open-drain outputs.
BITS — Bits Per Transfer
In master mode, BITS determines the number of data bits transferred for each serial
transfer in the queue.
DDRQS
— QSM Data Direction Register
15
PQSPAR*
RESET:
$YFFC17
1
MOSI
8
7
6
5
4
3
2
0
TXD
PCS3
PCS2
PCS1
PCS0/SS
SCK
MISO
0
0
0
0
0
0
0
0
SPCR0
— QSPI Control Register 0
15
14
13
MSTR
WOMQ
RESET:
0
0
0
$YFFC18
1
12
11
10
9
8
7
6
5
4
3
2
0
BITS
CPOL CPHA
SPBR
0
0
0
0
1
0
0
0
0
0
1
0
0
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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