參數(shù)資料
型號(hào)： COP8SAA716N8
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-Bit CMOS ROM Based and One-Time Programmable OTP Microcontroller with 1k to 4k Memory, Power On Reset, and Very Small Packaging
中文描述： 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PDIP16
封裝： DIP-16
文件頁(yè)數(shù)： 25/60頁(yè)
文件大?。?/td> 787K
代理商： COP8SAA716N8
8.0 Power Save Modes
(Continued)
8.2 IDLE MODE
The device is placed in the IDLE mode by writing a “1” to the
IDLE flag (G6 data bit). In this mode, all activities, except the
associated on-board oscillator circuitry and the IDLE Timer
T0, are stopped.
As with the HALT mode, the device can be returned to nor-
mal operation with a reset, or with a Multi-Input Wakeup from
the L Port. Alternately, the microcontroller resumes normal
operation from the IDLE mode when the twelfth bit (repre-
senting 4.096 ms at internal clock frequency of 10 MHz, t
C
=
1 μs) of the IDLE Timer toggles.
This toggle condition of the twelfth bit of the IDLE Timer T0 is
latched into the T0PND pending flag.
The user has the option of being interrupted with a transition
on the twelfth bit of the IDLE Timer T0. The interrupt can be
enabled or disabled via the T0EN control bit. Setting the
T0EN flag enables the interrupt and vice versa.
The user can enter the IDLE mode with the Timer T0 inter-
rupt enabled. In this case, when the T0PND bit gets set, the
device will first execute the Timer T0 interrupt service routine
and then return to the instruction following the “Enter Idle
Mode” instruction.
Alternatively, the user can enter the IDLE mode with the
IDLE Timer T0 interrupt disabled. In this case, the device will
resume normal operation with the instruction immediately
following the “Enter IDLE Mode” instruction.
Note:
It is necessary to program two NOP instructions following both the set
HALT mode and set IDLE mode instructions. These NOP instructions
are necessary to allow clock resynchronization following the HALT or
IDLE modes.
DS012838-25
FIGURE 18. Wakeup from HALT
DS012838-26
FIGURE 19. Wakeup from IDLE
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PDF描述
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COP8SAB720M8 Circular Connector; MIL SPEC:MIL-DTL-38999 Series II; Body Material:Metal; Series:JT; No. of Contacts:7; Connector Shell Size:10; Connecting Termination:Crimp; Circular Shell Style:Box Mount Receptacle; Body Style:Straight RoHS Compliant: No
COP8SAB720M9 8-Bit CMOS ROM Based and One-Time Programmable OTP Microcontroller with 1k to 4k Memory, Power On Reset, and Very Small Packaging
COP8SAB720N8 Circular Connector; No. of Contacts:22; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:12-22
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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