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參數(shù)資料
| 型號(hào)： | mPD789324 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁(yè)數(shù)： | 60/96頁(yè) |
| 文件大?。?/td> | 482K |
| 代理商： | MPD789324 |
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Preliminary Product Information U14673EJ1V0PM00
60
μ
PD789322,789324,789326,789327
(1) Interrupt request flag register 0 (IF0)
An interrupt request flag is set (1) when the corresponding interrupt request is generated, or when an
instruction is executed. It is cleared (0) when the interrupt request is acknowledged, when the RESET signal
is input, or when an instruction is executed.
IF0 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 6-2. Format of Interrupt Request Flag Register 0
Symbol
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
Address
After reset
R/W
IF0
WTIIF
KRIF00
TMIF40
TMIF30
WTIF
CSIIF0
PIF0
WDTIF
FFE0H
00H
R/W
××IF×
Interrupt request flag
0
No interrupt request signal generated
1
An interrupt request signal is generated and an interrupt request made
Cautions 1. The WDTIF flag can be read/written only when the watchdog timer is being used as an
interval timer. It must be cleared to 0 if the watchdog timer is used in watchdog timer
mode 1 or 2.
2. Because P61 functions alternately as an external interrupt, when the output level
changes after the output mode of the port function is specified, the interrupt request flag
will be inadvertently set. Therefore, be sure to preset the interrupt mask flag (PMK0)
before using the port in output mode.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| mPD789326 | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| MPL135 | Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise |
| MPL135-0R4 | Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise |
| MPL135-1R0 | Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise |
| MPL135-1R5 | Big current (55A), Footprint compatible with most standard, Lower temperature rise at big current, Low DCR, Without noise |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPD789324GB-XXX-8ET | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789326 | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789326GB-XXX-8ET | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789327 | 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers |
| MPD789327GB-XXX-8ET | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
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