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參數(shù)資料
| 型號： | UPD17227CT |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機的小型通用紅外遙控器 |
| 文件頁數(shù)： | 47/84頁 |
| 文件大?。?/td> | 393K |
| 代理商： | UPD17227CT |
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μ
PD17225, 17226, 17227, 17228
47
Data Sheet U12643EJ2V0DS00
Table 8-2. Operations After HALT Mode Release (2/2)
(b)
HALT 02H
HALT Mode Released by:
Interrupt Status
Interrupt Enable Flag
Operations after HALT Mode Release
8-Bit Timer
DI
Disabled
Instructions are executed from the
instruction next to the HALT instruction.
Enabled
EI
Disabled
Enabled
Branches to interrupt vector address
8.2
HALT Instruction Execution Conditions
The HALT instruction can be executed, only under special conditions, as shown in Table 8-3, to prevent the program
from hangup.
If the conditions in Table 8-3 are not satisfied, the HALT instruction is treated as an NOP instruction.
Table 8-3. HALT Instruction Execution Conditions
Operand Value
Execution Conditions
0010B (02H)
When all interrupt request flags (IRQTM) of 8-bit timer are reset
1000B (08H)
<1>
When interrupt request flag is reset, corresponding to interrupt whose interrupt enable flag
(IPTM, IPBTM, or IP) is set
When high level is input to all P0A
0
-P0A
3
and P0B
0
-P0B
3
pins
<2>
Other Than Above
Setting prohibited
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD17227MC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17228 | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17228CT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17228GT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17228MC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17227CT-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| UPD17227GT | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17227GT-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|4-BIT|UPD17K CPU|CMOS|SOP|28PIN|PLASTIC |
| UPD17227MC | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17227MC-XXX-5A4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
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