參數(shù)資料
型號: HCD404082
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
中文描述: 低電壓如同在微機芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計算機)
文件頁數(shù): 46/162頁
文件大?。?/td> 482K
代理商: HCD404082
HD404374/HD404384/HD404389/HD404082/HD404084 Series
46
Reset by
RESET
pin
input or
watchdog timer
Reset
(TMA3=0)
(TMA3=1)
Timer A,
WU
0
or
INT
0
interrupt
Standby mode
Active mode
SBY
instruction
interrupt
SBY
instruction
interrupt
STOP
instruction
(TMA3=1,LSON=0)
(TMA3=1,LSON=1)
f
osc
:
fx
:
fcyc
:
fw
:
f
SUB
:
CPU
:
CLK
:
PER
:
LSON
:
DTON
:
TMA3
:
Main oscillator frequency
Sub-oscillator frequency
(for realtime clock)
f
OSC
/32 or fOSC/4 (selected by
software)
fx/8
fx/8 or fx/4 (selected by software)
System clock
Clock for realtime clock
Peripheral function clock
Low speed on flag
Direct transfer on flag
Timer mode register A bit3
Timer A,
WU
0
or
INT
0
interrupt
WU
0
STOP
instruction
WU
0
STOP
instruction
STOP
instruction
Stop mode
(TMA3=0,SSR3=0,LSON=0)
(TMA3=0,SSR3=1,LSON=0)
Subactive mode
*4
*2
*3
*1
DTON
1
0
Don’t care
0
Transition Condition
STOP/SBY instruction
STOP/SBY instruction
STOP/SBY instruction
STOP/SBY instruction
LSON
0
0
1
0
*1
*2
*3
*4
TMA3
1
1
1
0
Watch mode
f
osc
fx
CPU
CLK
PER
: Stop
: Stop
: Stop
: Stop
: Stop
f
osc
fx
CPU
CLK
PER
: Active
: Active
: fcyc
: fcyc
: fcyc
f
osc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: Stop
: Stop
f
osc
fx
CPU
CLK
PER
: Active
: Active
: Stop
: fcyc
: fcyc
f
osc
fx
CPU
CLK
PER
: Stop
: Active
: f
SUB
: fw
: f
SUB
f
osc
fx
CPU
CLK
PER
: Active
: Active
: fcyc
: fw
: fcyc
f
osc
fx
CPU
CLK
PER
: Active
: Active
: Stop
: fw
: fcyc
f
osc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: fw
: Stop
f
osc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: fw
: Stop
Note: Watch mode and subactive mode apply to HD404374 Series.
Figure 11 MCU Status Transitions
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