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參數(shù)資料
| 型號(hào)： | HD40L4812 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī)) |
| 中文描述： | 4位單片機(jī)（4位單片微計(jì)算機(jī)） |
| 文件頁(yè)數(shù)： | 31/98頁(yè) |
| 文件大?。?/td> | 621K |
| 代理商： | HD40L4812 |
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HD404818 Series
31
Active mode
Watch mode
Active mode
Oscillation
stabilization period
Interrupt strobe
INT
0
Interrupt request
generation
(During the transition
from watch mode to
active mode only)
T
T
T
X
t
RC
T:
t
RC
:
Interrupt frame length
Oscillation stabilization period
Figure 12 Interrupt Frame
Subactive Mode:
The CPU operates with a clock generated by the X1 and X2 oscillation circuits.
Functions that can operate in subactive mode are listed in table 16. When the STOP or SBY instruction is
executed in subactive mode, the MCU enters either watch or active mode, depending on the statuses of
LSON and DTON. The DTON flag can only be set in subactive mode; it is automatically reset after a
transition to active mode.
Subactive mode is an optional function that the user must specify on the function option list.
Interrupt Frame:
In watch and subactive modes,
CLK
is supplied for timer A and the
I NT
0
circuit.
Prescaler W and timer A operate as time bases to generate interrupt frame timing. Three interrupt frame
cycles (T) can be selected by the settings of the miscellaneous register, as shown in figure 13.
In watch and subactive modes, timer A and
INT
0
interrupts are generated in synchronism with the interrupt
frame. An interrupt request is generated at an interrupt strobe, except when the MCU enters active mode
from watch mode. The
INT
0
falling edge is acknowledged regardless of the interrupt frame, but an interrupt
is executed simultaneously with the second interrupt strobe. Timer A generates an overflow and interrupt
request at an interrupt strobe.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD40L4818H | 制造商:Renesas Electronics Corporation 功能描述: |
| HD40-M | 制造商:Tamura Corporation of America 功能描述: |
| HD40WS/EHOOD/PLUG | 制造商:Lapp 功能描述:HD 40 way side entry assembled plug 制造商:Lapp Group 功能描述:HD 40 way side entry assembled plug |
| HD-41494-1 | 功能描述:環(huán)形MIL規(guī)格工具、五金與附件 RoHS:否 制造商:Amphenol Industrial MIL 類型:MIL-DTL-5015 系列:97 產(chǎn)品類型:Dummy Receptacles 用于:97 Series Plugs |
| HD4-15530/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Encoder/Decoder |
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