參數(shù)資料
型號： 9S12DT256DGV3
廠商： Motorola, Inc.
英文描述： MC9S12DT256 Device User Guide V03.03
中文描述： MC9S12DT256設(shè)備的用戶手冊V03.03
文件頁數(shù)： 68/130頁
文件大?。?/td> 2077K
代理商： 9S12DT256DGV3
MC9S12DT256 Device User Guide — V03.03
66
2.3.55 PS2 / RXD1 — Port S I/O Pin 2
PS2 is a general purpose input or output pin. It can be configured as the receive pin RXD of Serial
Communication Interface 1 (SCI1).
2.3.56 PS1 / TXD0 — Port S I/O Pin 1
PS1 is a general purpose input or output pin. It can be configured as the transmit pin TXD of Serial
Communication Interface 0 (SCI0).
2.3.57 PS0 / RXD0 — Port S I/O Pin 0
PS0 is a general purpose input or output pin. It can be configured as the receive pin RXD of Serial
Communication Interface 0 (SCI0).
2.3.58 PT[7:0] / IOC[7:0] — Port T I/O Pins [7:0]
PT7-PT0 are general purpose input or output pins. They can be configured as input capture or output
compare pins IOC7-IOC0 of the Enhanced Capture Timer (ECT).
2.4 Power Supply Pins
MC9S12DT256 power and ground pins are described below.
NOTE:
All VSS pins must be connected together in the application.
2.4.1 VDDX,VSSX — Power & Ground Pins for I/O Drivers
External power and ground for I/O drivers. Because fast signal transitions place high, short-duration
currentdemandsonthepowersupply,usebypasscapacitorswithhigh-frequencycharacteristicsandplace
them as close to the MCU as possible. Bypass requirements depend on how heavily the MCU pins are
loaded.
2.4.2 VDDR, VSSR — Power & Ground Pins for I/O Drivers & for Internal
Voltage Regulator
External power and ground for I/O drivers and input to the internal voltage regulator. Because fast signal
transitions place high, short-duration current demands on the power supply, use bypass capacitors with
high-frequency characteristics and place them as close to the MCU as possible. Bypass requirements
depend on how heavily the MCU pins are loaded.
相關(guān)PDF資料
PDF描述
9S12E128DGV1 MC9S12E-Family Device User Guide V01.04
9S12H128 16-bit Microcontroller
9S12H256 16-bit Microcontroller
9S12HN64 16-bit Microcontroller
9S12HZ128 16-bit Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
9S12E128DGV1 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MC9S12E-Family Device User Guide V01.04
9S12H128 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
9S12H256 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
9S12H256BDGV1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:9S12H256B Device Guide
9S12HN64 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
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