參數(shù)資料
型號: MC68HC05PL4BCSD
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.56 MHz, MICROCONTROLLER, PDSO28
封裝: SSOP-28
文件頁數(shù): 38/98頁
文件大小: 1019K
代理商: MC68HC05PL4BCSD
April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
OPERATING MODES
MOTOROLA
REV 2.0
6-3
Figure 6-1. STOP/WAIT Flowchart
1.
Fetch Reset Vector
or
2.
Service Interrupt
a.
Stack
b.
Set I-Bit
c.
Vector to Interrupt Routine
WAIT
External
RESET?
Y
N
IRQ
External
Interrupt?
Y
N
Stop External Oscillator,
Stop Internal Timer Clock,
Reset Start-up Delay
Restart External Oscillator,
start Stabilization Delay
Stop Internal Processor Clock,
Clear I-Bit in CCR,
and set IRQEN in MICSR
End
of Stabilization
Delay?
Y
N
IRQ
External
Interrupt?
Y
N
External Oscillator Active
and
Internal Timer Clock Active
Restart
Internal Processor Clock
8-bit
Timer
Interrupt?
Y
N
External
RESET?
Y
N
STOP
Stop Internal Processor Clock,
Clear I-Bit in CCR,
and set IRQEN in MICSR
16-bit
Timer
Interrupt?
Y
N
Keyboard
Interrupt?
Y
N
Keyboard
Interrupt?
Y
N
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