參數(shù)資料
型號： HCS12COREUG
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： Device User Guide V01.18
中文描述： 設備的用戶手冊V01.18
文件頁數(shù)： 62/130頁
文件大小： 512K
代理商： HCS12COREUG
MC9S12H256 Device User Guide — V01.18
2.3.15 PE2 / FP20 / R/W—Port E I/O Pin 2
PE2isageneralpurposeinputoroutputpin.ItcanbeconfiguredasfrontplanesegmentdriveroutputFP20
oftheLCDmodule.InMCUexpandedmodesofoperations,thispinperformstheread/writeoutputsignal
for the external bus. It indicates the direction of data on the external bus.
2.3.16 PE1 / IRQ — Port E Input Pin 1
PE1 is a general purpose input pin and also 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.
2.3.17 PE0 / XIRQ — Port E Input Pin 0
PE0isageneralpurposeinputpinandalsothenon-maskableinterruptrequestinputthatprovidesameans
of applying asynchronous interrupt requests. This will wake up the MCU from STOP or WAIT mode.
2.3.18 PH[7:0] / KWH[7:0] — Port H I/O Pins [7:0]
PH7-PH0aregeneralpurposeinputoroutputpins.Theycanbeconfiguredtogenerateaninterruptcausing
the MCU to exit STOP or WAIT mode.
NOTE:
These pins are not available in the 112-pin LQFP version.
2.3.19 PJ[3:0] / KWJ[3:0] — Port J I/O Pins [3:0]
PJ3-PJ0 are general purpose input or output pins. They can be configured to generate an interrupt causing
the MCU to exit STOP or WAIT mode.and are shared with the interrupt function.
NOTE:
These pins are not available in the 112-pin LQFP version.
2.3.20 PK7 / FP23 / ECS / ROMONE — Port K I/O Pin 7
PK7isageneralpurposeinputoroutputpin.ItcanbeconfiguredasfrontplanesegmentdriveroutputFP23
of the LCD module. During MCU expanded modes of operation, this pin is used as the emulation chip
select signal (ECS). During reset of the MCU to normal expanded modes of operation, this pin is used to
enable the Flash EEPROM memory in the memory map (ROMONE). At the rising edge of RESET, the
state of this pin is latched to the ROMON bit.
2.3.21 PK[3:0] / BP[3:0] / XADDR[17:14] — Port K I/O Pins [3:0]
PK3-PK0 are general purpose input or output pins. They can be configured as backplane segment driver
outputs BP3-BP0 of the LCD module. In MCU expanded modes of operation, these pins provide the
expanded address XADDR[17:14] for the external bus.
F
For More Information On This Product,
Go to: www.freescale.com
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.
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PDF描述
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相關代理商/技術參數(shù)
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HCS12H 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
HCS12HFAMILYPP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HCS12 H-Family Product Proposal
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