參數(shù)資料
型號(hào): MC68HC11A0MFB4
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: ROM-based high-performance microcontrollers
中文描述: 基于ROM的高性能微控制器
文件頁數(shù): 57/124頁
文件大?。?/td> 840K
代理商: MC68HC11A0MFB4
RESETS AND INTERRUPTS
TECHNICAL DATA
5-13
Figure 5-1 Processing Flow out of Reset (2 of 2)
BIT I IN
CCR = 1
2A
Y
N
ANY I-BIT
INTERRUPT
PENDING
Y
N
FETCH OPCODE
ILLEGAL
OPCODE
Y
N
WAI
Y
N
INSTRUCTION
SWI
INSTRUCTION
Y
N
RTI
INSTRUCTION
Y
N
EXECUTE THIS
INSTRUCTION
STACK CPU
REGISTERS
ANY
N
Y
INTERRUPT
PENDING
SET BIT
I
IN CCR
RESOLVE INTERRUPT
PRIORITY AND FETCH
VECTOR FOR HIGHEST
PENDING SOURCE
SEE FIGURE 5–2
STACK CPU
REGISTERS
SET BIT
I
IN CCR
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
SET BIT
I
IN CCR
FETCH VECTOR
$FFF6, $FFF7
RESTORE CPU
REGISTERS
FROM STACK
1A
STACK CPU
REGISTERS
FLOW OUT OF RESET P2
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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