參數資料
型號： MC68HC05P4ADWE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝： SOIC-28
文件頁數： 17/72頁
文件大?。?/td> 400K
代理商： MC68HC05P4ADWE
Interrupts
MC68HC05P4A Data Sheet, Rev. 7.1
24
Freescale Semiconductor
Figure 4-1. Hardware Interrupt Flowchart
A discussion is provided here.
1.
RESET — A low input on the RESET input pin causes the
program to vector to its starting address, which is specified by
the contents of memory locations $1FFE and $1FFF. The I bit in the condition code register also
is set. Much of the MCU is configured to a known state during this type of reset as described in
2.
STOP — The STOP instruction causes the oscillator to be turned off and the processor to "sleep"
until an external interrupt (IRQ) or reset occurs.
FROM
RESET
EXTERNAL
INTERRUPT
IRQ
INTERNAL
INTERRUPT
TIMER
I BIT
SET
IS
LOAD PC FROM:
IRQ: $1FFA–$1FFB
TIMER: $1FF8–$1FF9
SET I BIT
STACK
PC, X, A, CC
CLEAR IRQ
REQUEST
LATCH
COMPLETE
INTERRUPT
ROUTINE
AND EXECUTE
RTI
FETCH
NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
Y
N
相關PDF資料
PDF描述
MC68HC05P4APE 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
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相關代理商/技術參數
參數描述
MC68HC05P4DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P4P 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6_1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P8 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
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