參數(shù)資料
型號: DSP56F805E
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號控制器
文件頁數(shù): 17/56頁
文件大小: 415K
代理商: DSP56F805E
Serial Communications Interface (SCI) Signals
56F805 Technical Data, Rev. 15
Freescale Semiconductor
17
2.10 Serial Communications Interface (SCI) Signals
2.11 CAN Signals
Table 2-14 Serial Communications Interface (SCI0 and SCI1) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
TXD0
GPIOE0
Output
Input/Output
Input
Input
Transmit Data (TXD0)
—SCI0 transmit data output
Port E GPIO
—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI output.
1
RXD0
GPIOE1
Input
Input/Output
Input
Input
Receive Data (RXD0)
— SCI0 receive data input
Port E GPIO
—This pin is a General Purpose I/O (GPIO) pin that
can individually be programmed as input or output pin.
After reset, the default state is SCI input.
1
TXD1
GPIOD6
Output
Input/Output
Input
Input
Transmit Data (TXD1)
—SCI1 transmit data output
Port D 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 SCI output.
1
RXD1
GPIOD7
Input
Input/Output
Input
Input
Receive Data (RXD1)
—SCI1 receive data input
Port D 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 SCI input.
Table 2-15 CAN Module Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
MSCAN_ RX
Input
(Schmitt)
Input
MSCAN Receive Data
—This is the MSCAN input. This pin has
an internal pull-up resistor.
1
MSCAN_ TX
Output
Output
MSCAN Transmit Data
—MSCAN output. CAN output is
open-drain output and a pull-up resistor is needed.
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