參數(shù)資料
型號： 9S12DT128DGV2
廠商： Motorola, Inc.
英文描述： MC9S12DT128 Device User Guide V02.09
中文描述： MC9S12DT128設備的用戶手冊V02.09
文件頁數(shù)： 67/138頁
文件大?。?/td> 2083K
代理商： 9S12DT128DGV2
MC9S12DT128 Device User Guide — V02.09
67
2.3.13 PE6 / MODB / IPIPE1 — Port E I/O Pin 6
PE6 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODB bit at the rising edge of RESET. This pin is shared with the
instructionqueuetrackingsignalIPIPE1.Thispinisaninputwithapull-downdevicewhichis onlyactive
when RESET is low.
2.3.14 PE5 / MODA / IPIPE0 — Port E I/O Pin 5
PE5 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODA bit at the rising edge of RESET. This pin is shared with the
instructionqueuetrackingsignalIPIPE0.Thispinisaninputwithapull-downdevicewhichis onlyactive
when RESET is low.
2.3.15 PE4 / ECLK — Port E I/O Pin 4
PE4 is a general purpose input or output pin. It can be configured to drive the internal bus clock ECLK.
ECLK can be used as a timing reference.
2.3.16 PE3 / LSTRB / TAGLO — Port E I/O Pin 3
PE3 is a general purpose input or output pin. In MCU expanded modes of operation, LSTRB can be used
for the low-byte strobe function to indicate the type of bus access and when instruction tagging is on,
TAGLO is used to tag the low half of the instruction word being read into the instruction queue.
2.3.17 PE2 / R/W—Port E I/O Pin 2
PE2 is a general purpose input or output pin. In MCU expanded modes of operations, this pin drives the
read/write output signal for the external bus. It indicates the direction of data on the external bus.
2.3.18 PE1 / IRQ — Port E Input Pin 1
PE1 is a general purpose input pin and the maskable interrupt request input that provides a means of
applying asynchronous interrupt requests. This will wake up the MCU from STOP or WAIT mode.
2.3.19 PE0 / XIRQ — Port E Input Pin 0
PE0 is a general purpose input pin and the non-maskable interrupt request input that provides a means of
applying asynchronous interrupt requests. This will wake up the MCU from STOP or WAIT mode.
2.3.20 PH7 / KWH7 — Port H I/O Pin 7
PH7isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode.
相關PDF資料
PDF描述
9S12DT128DGV2D MC9S12DT128 Device User Guide V02.09
9S12DT256DGV3 MC9S12DT256 Device User Guide V03.03
9S12E128DGV1 MC9S12E-Family Device User Guide V01.04
9S12H128 16-bit Microcontroller
9S12H256 16-bit Microcontroller
相關代理商/技術參數(shù)
參數(shù)描述
9S12DT128DGV2D 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MC9S12DT128 Device User Guide V02.09
9S12DT256DGV3 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MC9S12DT256 Device User Guide V03.03
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
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