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參數資料
| 型號： | W921E840A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-Bit Microcontroller(4位微控制器) |
| 中文描述： | 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數： | 2/58頁 |
| 文件大小： | 449K |
| 代理商： | W921E840A |
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W921E840A/W921C840
- 2 -
6.12 Interrupt...........................................................................................................................................35
6.12.1 Interrupt Control Register......................................................................................................35
6.12.2 Interrupt Enable Flag ............................................................................................................36
6.13 Operating Mode..............................................................................................................................37
6.13.1 Normal Mode........................................................................................................................37
6.13.2 Hold Mode............................................................................................................................37
6.13.3 Stop Mode............................................................................................................................39
6.14 Initial Condition Register of EPROM Program Method ....................................................................41
6.15 Reset ..............................................................................................................................................41
6.15.1 Reset by
RESET
...................................................................................................................41
6.15.2 Reset by Watch Dog Timer...................................................................................................41
7. ABSOLUTION MAXIMUM RATINGS .......................................................................................................42
8. ELECTRICAL CHARACTERISTICS.........................................................................................................42
8.1 DC Characteristics............................................................................................................................42
8.2 AC Characteristics............................................................................................................................45
9. ADDRESSING MODE ..............................................................................................................................47
9.1 ROM Addressing Mode.....................................................................................................................47
9.1.1 Indirect Call Addressing Mode: (1 word/2 cycles) ....................................................................47
9.1.2 Long Call/Jump Addressing Mode: (2 words/2 cycles).............................................................47
9.2 RAM Addressing Mode.....................................................................................................................47
9.2.1 Direct Addressing Mode: (2 words/2 cycles)............................................................................48
9.2.2 Indirect Addressing Mode: (1 word/1 cycle).............................................................................48
9.2.3 Working Register Addressing Mode: (1 word/1 cycle)..............................................................48
9.3 Look-up Table Addressing Mode (1 word/2 cycles)..........................................................................48
10. INSTRUCTION CODE MAP...................................................................................................................50
11. INSTRUCTION SET SUMMARY............................................................................................................53
12. PACKAGE DIMENSIONS.......................................................................................................................57
40-pin DIP................................................................................................................................................57
48-pin QFP...............................................................................................................................................57
相關PDF資料 |
PDF描述 |
|---|---|
| W921E843A | 4-BIT MICROCONTROLLER |
| W921C880 | 4-Bit Microcontroller(4位微控制器) |
| W921E880A | 4-Bit Microcontroller(4位微控制器) |
| W921E840 | 4-Bit Microcontroller(4位的微控制器) |
| W921E880 | 4-Bit Microcontroller(4位的微控制器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W921E843A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
| W921E880 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
| W921E880A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER |
| W925C240 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller |
| W925C625 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-bit CID MICROCONTROLLER |
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