參數(shù)資料
型號: DSP56F803BU80
廠商: Freescale Semiconductor
文件頁數(shù): 6/52頁
文件大?。?/td> 0K
描述: IC DSP 80MHZ 64KB FLASH 100LQFP
標(biāo)準(zhǔn)包裝: 90
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: CAN,EBI/EMI,SCI,SPI
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 71KB(35.5K x 16)
程序存儲器類型: 閃存
RAM 容量: 2.5K x 16
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
56F803 Technical Data, Rev. 16
14
Freescale Semiconductor
2.7 Serial Peripheral Interface (SPI) Signals
Table 2-11 Serial Peripheral Interface (SPI) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
MISO
GPIOE6
Input/Out
put
Input/Out
put
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 General Purpose I/O (GPIO) pin can be
individually programmed as an input or output pin.
After reset, the default state is MISO.
1
MOSI
GPIOE5
Input/Out
put
Input/Out
put
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/Out
put
Input/Out
put
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/Out
put
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.
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