DSP56F801E 查看數據表（PDF） - Motorola => Freescale
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DSP56F801E Datasheet PDF : 44 Pages
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Freescale Semiconductor, Inc.
2.7 Serial Communications Interface (SCI) Signals
Table 10. Serial Communications Interface (SCI0) Signals
No. of
Pins
Signal
Name
Signal
Type
State During
Reset
Signal Description
1
TXD0
Output
GPIOB0
Input/
Output
1
RXD0
Input
Input
Input
Input
Transmit Data (TXD0)—SCI0 transmit data output
Port B GPIO—This pin is a General Purpose I/O (GPIO) pin
that can be individually programmed as an input or output
pin.
After reset, the default state is SCI output.
Receive Data (RXD0)—SCI0 receive data input
GPIOB1
Input/
Output
Input
Port B GPIO—This pin is a General Purpose I/O (GPIO) pin
that can be individually programmed as an input or output
pin.
After reset, the default state is SCI input.
2.8 Analog-to-Digital Converter (ADC) Signals
Table 11. Analog to Digital Converter Signals
No. of
Pins
Signal
Name
Signal State During
Type
Reset
Signal Description
4
ANA0-3
Input
4
ANA4-7
Input
1
VREF
Input
Input
Input
Input
ANA0-3—Analog inputs to ADC, channel 1
ANA4-7—Analog inputs to ADC, channel 2
VREF—Analog reference voltage for ADC. Must be set to
VDDA-0.3V for optimal performance.
2.9 Quad Timer Module Signals
Table 12. Quad Timer Module Signals
No. of
Pins
Signal
Name
Signal State During
Type
Reset
Signal Description
3
TD0-2
Input/
Output
GPIOA0-2 Input/
Output
Input
Input
TD0-2—Timer D Channel 0-2
Port A GPIO—This pin is a General Purpose I/O (GPIO) pin
that can be individually programmed as an input or output
pin.
After reset, the default state is the quad timer input.
10
56F801 Technical Data
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