參數(shù)資料
型號: HD404449H
元件分類: 微控制器/微處理器
英文描述: MROM, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 25/33頁
文件大?。?/td> 440K
代理商: HD404449H
HD404449 Series
29
Reset by
RESET input or
by watchdog timer
fOSC:
fX:
CPU:
CLK:
PER:
Oscillate
Stop
fcyc
fOSC:
fX:
CPU:
CLK:
PER:
Oscillate
Stop
fW
fcyc
fOSC:
fX:
CPU:
CLK:
PER:
Oscillate
fcyc
fOSC:
fX:
CPU:
CLK:
PER:
Oscillate
fcyc
fW
fcyc
fOSC:
fX:
CPU:
CLK:
PER:
Stop
Oscillate
fSUB
fW
fSUB
fOSC:
fX:
CPU:
CLK:
PER:
Stop
fOSC:
fX:
CPU:
CLK:
PER:
Stop
Oscillate
Stop
fW
Stop
fOSC:
fX:
CPU:
CLK:
PER:
Stop
Oscillate
Stop
fW
Stop
Standby mode
Stop mode
(TMA3 = 0, SSR3 = 1)
Watch mode
Subactive
mode
(TMA3 = 1)
(TMA3 = 1, LSON = 0)
(TMA3 = 1, LSON = 1)
SBY
Interrupt
SBY
Interrupt
STOP
INT0,
timer A*1
STOP
*4
*2
*3
1. Interrupt source
2. STOP/SBY (DTON = 1, LSON = 0)
3. STOP/SBY (DTON = 0, LSON = 0)
4. STOP/SBY (DTON = Don’t care, LSON = 1)
fOSC:
fX:
fcyc:
fSUB:
fW:
LSON:
DTON:
Main oscillation frequency
Suboscillation frequency
for time-base
fOSC/4
fX/8 or fX/4
(software selectable)
fX/8
System clock
Clock for time-base
Clock for other
peripheral functions
Low speed on flag
Direct transfer on flag
Active
mode
Notes:
CPU:
CLK:
PER:
fOSC:
fX:
CPU:
CLK:
PER:
Stop
Oscillate
Stop
(TMA3 = 0, SSR3 = 0)
RESET1
RESET2
RAME = 0
RAME = 1
INT0,
timer A*1
(TMA3 = 0)
STOP
STOPC
STOP
Figure 14 MCU Status Transitions
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