參數(shù)資料
型號: MC68HC05CJ4FB
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, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 43/114頁
文件大?。?/td> 4047K
代理商: MC68HC05CJ4FB
GENERAL RELEASE SPECIFICATION
MODES OF OPERATION
MC68HC(7)05CJ4
6-4
Rev. 2.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
During the wait mode, the I bit in the CCR is cleared to enable interrupts. All other
registers, memory, and input/output lines remain in their previous state. The timers
may be enabled to allow a periodic exit from the wait mode.
Figure 6-3. Stop/Wait Mode Flowcharts
EXTERNAL
Y
STOP
OSCILLATOR ACTIVE
TIMER CLOCK ACTIVE
PROCESSOR CLOCKS
STOPPED
INTERRUPT
(IRQ)
EXTERNAL
RESET
TURN ON OSCILLATOR
WAIT FOR TIME
DELAY TO STABILIZE
1. FETCH RESET
VECTOR OR
2. SERVICE
INTERRUPT
A. STACK
B. SET I BIT
C. VECTOR TO
INTERRUPT
RESTART
PROCESSOR CLOCK
WAIT
STOP OSCILLATOR
AND ALL CLOCKS
CLEAR I BIT
INTERRUPT
TIMER 1
INTERRUPT
(IRQ)
1. FETCH RESET
VECTOR OR
2. SERVICE
INTERRUPT
A. STACK
B. SET I BIT
C. VECTOR TO
INTERRUPT
ROUTINE
Y
N
Y
INTERRUPT
SCI
INTERRUPT
SPI
N
Y
N
INTERRUPT
IIC
INTERRUPT
TIMER 2
Y
N
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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