參數(shù)資料
型號: MC68HC705J2VP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS MICROCONTROLLER UNIT
中文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 35/82頁
文件大?。?/td> 327K
代理商: MC68HC705J2VP
MC68HC705J2
Rev. 2
RESETS AND INTERRUPTS
MOTOROLA
5-5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Figure 5-3. Interrupt Flowchart
EXTERNAL
INTERRUPT
TIMER
INTERRUPT
YES
NO
INTERRUPT
MASK SET
YES
NO
YES
NO
CLEAR IRQ
REQUEST
LATCH.
STACK PCL, PCH, X, A, CCR.
SET INTERRUPT MASK.
LOAD PC WITH VECTOR:
MC68HC705J2 NATIVE MODE
TIMER: $0FF8, $0FF9
EXTERNAL: $0FFA, $0FFB
SOFTWARE: $0FFC, $0FFD
MC68HC05J1 EMULATION MODE
TIMER: $07F8, $07F9
EXTERNAL: $07FA, $07FB
SOFTWARE: $07FC, $07FD
YES
NO
RTI
INSTRUCTION
RESTORE REGISTERS
FROMSTACK
CCR, A, X, PCH, PCL.
FETCH NEXT
INSTRUCTION.
EXECUTE
INSTRUCTION.
YES
NO
SWI
INSTRUCTION
FROM
RESET
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