參數(shù)資料
型號(hào)： 9S12H256
廠商： 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述： 16-bit Microcontroller
中文描述： 16位微控制器
文件頁數(shù)： 14/28頁
文件大?。?/td> 503K
代理商： 9S12H256
16-bit Microcontroller HCS12H Family, Rev. 11.1
14
Freescale Semiconductor
PRELIMINARY
Pin Assignments
PE6
IPIPE1
MODB
Function 1: Port E general purpose input or output pins.
Function 2: Instruction queue tracking signals.
Function 3: The state of the MODA and MODB pins during
reset determine the initial operating mode of the MCU
Function 1: Port E general purpose input or output pin.
Function 2: Internal bus clock output that can be used as a tim-
ing reference.
Function 1: Port E general purpose input or output pin.
Function 2: LCD frontplane segment driver output pin.
Function 3: In MCU expanded modes of operation, LSTRB is
used for the low-byte strobe function to indicate the type of
bus access.
Function 4: When instruction tagging is on, TAGLO is used to
tag the low half of the instruction word being read into the
instruction queue.
Function 1: Port E general purpose input or output pin.
Function 2: LCD frontplane segment driver output pin.
Function 3: In MCU expanded modes of operations, performs
the read/write output signal for the external bus. This pin
indicates direction of data on the external bus.
Function 1: Port E general purpose input pin.
Function 2: Maskable interrupt request input provides a
means of applying asynchronous interrupt requests. Will
wake up the MCU from STOP or WAIT mode
Function 1: Port E general purpose input pin.
Function 2: Nonmaskable interrupt request input provides a
means of applying asynchronous interrupt requests. Will
wake up the MCU from STOP or WAIT mode.
Function 1: Port H general purpose input or output pins.
Function 2: Key wake-up input pins that can generate an
interrupt causing the MCU to exit STOP or WAIT mode.
Function 1: Port J general purpose input or output pins.
Function 2: Key wake-up input pins that can generate an
interrupt causing the MCU to exit STOP or WAIT mode.
Function 1: Port K general purpose input or output pin.
Function 2: LCD frontplane segment driver output pin.
Function 3: During MCU expanded modes of operation, this
pin is used to enable the Flash EEPROM memory in the
memory map.
Function 4: During MCU expanded modes of operation, this
pin is used as the emulation chip select signal.
Function 1: Port K general purpose input or output pins.
Function 2: LCD backplane segment driver output pins.
Function 3: In MCU expanded modes of operation, expanded
address pins for the external bus.
Function 1: Port L general purpose input or output pins.
Function 2: LCD frontplane segment driver output pins.
Function 3: Analog inputs (ATD).
PE5
IPIPE0
MODA
PE4
ECLK
PE3
FP21
LSTRB
TAGLO
PE2
FP20
R/W
PE1
IRQ
PE0
XIRQ
PH[7:0]
KWH[7:0]
PJ[3:0]
KWJ[3:0]
PK7
FP23
ECS
ROMCTL
PK[3:0]
BP[3:0]
XADDR[17:14]
PL[7:4]
FP[31:28]
AN[15:12]
Table 2 Pin Descriptions
Note: Features shown in bold are not available in the 9S12H256 112 pin QFP package.
Note: Features shown in Italics are only available for the “Z” versions
Pin Name
Function 1
Pin Name
Function 2
Pin Name
Function 3
Pin Name
Function 4
Description
相關(guān)PDF資料
PDF描述
9S12HN64 16-bit Microcontroller
9S12HZ128 16-bit Microcontroller
9S12HZ256 16-bit Microcontroller
9S12HZ64 16-bit Microcontroller
9S12H256BDGV1 9S12H256B Device Guide
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
9S12HZ128 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
9S12HZ256 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
9S12HZ64 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Microcontroller
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