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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)： | 63/96頁(yè) |
| 文件大?。?/td> | 482K |
| 代理商： | MPD789324 |
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Preliminary Product Information U14673EJ1V0PM00
63
μ
PD789322,789324,789326,789327
(4) Program status word (PSW)
The program status word is used to hold the instruction execution results and the current status of the
interrupt requests. The IE flag, used to enable and disable maskable interrupts, is mapped to the PSW.
The PSW can be read and written in 8-bit units, as well as in 1-bit units by using bit manipulation instructions
and dedicated instructions (EI and DI). When a vector interrupt is acknowledged, the PSW is automatically
saved to the stack, and the IE flag is reset (0).
RESET input sets the PSW to 02H.
Figure 6-5. Program Status Word Configuration
IE
Z
0
AC
0
0
1
CY
PSW
Symbol
After reset
02H
7
6
5
4
3
2
1
0
Used in the execution of ordinary instructions
IE
0
1
Disabled
Enabled
Interrupt acknowledgement enable/disable
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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