參數(shù)資料
型號: MC68HC11D3CFN3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 88/138頁
文件大?。?/td> 1047K
代理商: MC68HC11D3CFN3
Interrupts
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
53
Figure 4-4. Processing Flow Out of Reset (Sheet 1 of 2)
2A
BIT X IN
Y
N
XIRQ
Y
N
PIN LOW?
CCR = 1?
BEGIN INSTRUCTION
SEQUENCE
1A
STACK CPU
REGISTERS
SET BITS I AND X
FETCH VECTOR
$FFF4, $FFF5
SET BITS S, I, AND X
RESET MCU
HARDWARE
POWER-ON RESET
(POR)
EXTERNAL RESET
CLOCK MONITOR FAIL
(WITH CME = 1)
COP WATCHDOG
TIMEOUT
(WITH NOCOP = 0)
DELAY 4064 E CYCLES
LOAD PROGRAM COUNTER
WITH CONTENTS OF
$FFFE, $FFFF
(VECTOR FETCH)
LOAD PROGRAM COUNTER
WITH CONTENTS OF
$FFFC, $FFFD
(VECTOR FETCH)
LOAD PROGRAM COUNTER
WITH CONTENTS OF
$FFFA, $FFFB
(VECTOR FETCH)
HIGHEST
PRIORITY
LOWEST
PRIORITY
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