參數(shù)資料
型號: DSP56F805
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 16-bit Hybrid Controller(16位混合控制器)
中文描述: 16位混合控制器(16位混合控制器)
文件頁數(shù): 12/48頁
文件大?。?/td> 967K
代理商: DSP56F805
12
56F805 Technical Data
2.8 Serial Peripheral Interface (SPI) Signals
Table 13. Serial Peripheral Interface (SPI) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
MISO
GPIOE6
Input/
Output
Input/
Output
Input
Input
SPI Master In/Slave Out (MISO)
—This serial data pin is an
input to a master device and an output from a slave device.
The MISO line of a slave device is placed in the high-
impedance state if the slave device is not selected.
Port E GPIO
—This pin is a General Purpose I/O (GPIO) pin
that can individually be programmed as an input or output pin.
After reset, the default state is MISO.
1
MOSI
GPIOE5
Input/
Output
Input/
Output
Input
Input
SPI Master Out/Slave In (MOSI)
—This serial data pin is an
output from a master device and an input to a slave device.
The master device places data on the MOSI line a half-cycle
before the clock edge that the slave device uses to latch the
data.
Port E GPIO
—This General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is MOSI.
1
SCLK
GPIOE4
Input/
Output
Input/
Output
Input
Input
SPI Serial Clock
—In master mode, this pin serves as an
output, clocking slaved listeners. In slave mode, this pin
serves as the data clock input.
Port E GPIO
—This General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is SCLK.
1
SS
GPIOE7
Input
Input/
Output
Input
Input
SPI Slave Select
—In master mode, this pin is used to
arbitrate multiple masters. In slave mode, this pin is used to
select the slave.
Port E GPIO
—This General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is SS.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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