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參數資料
| 型號： | W921E880 |
| 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位的微控制器) |
| 中文描述： | 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 1/62頁 |
| 文件大小： | 511K |
| 代理商： | W921E880 |
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W921E880
4-BIT MICROCONTROLLER
Publication Release Date: August 1997
- 1 -
Revision A1
Table of Contents-
1. GENERAL DESCRIPTION.........................................................................................................................3
2. FEATURES.................................................................................................................................................3
3. PIN CONFIGURATION...............................................................................................................................6
4. PIN DESCRIPTION.....................................................................................................................................7
5. BLOCK DIAGRAM......................................................................................................................................9
6. FUNCTIONAL DESCRIPTION .................................................................................................................10
6.1 ROM Memory Map ...........................................................................................................................10
6.2 RAM Memory Map............................................................................................................................11
6.2.1 Special Control Reg. Area .............................................................................................................11
6.2.2 Stack Reg. Area ............................................................................................................................12
6.2.3 Working Reg. Area........................................................................................................................12
6.3 Internal Oscillator Circuit ...................................................................................................................13
6.4 Initial State ........................................................................................................................................14
6.5 Input/Output ......................................................................................................................................14
6.5.1 I/O Pull High and Open Drain Control.....................................................................................17
6.6 Serial Mode Control Reg...................................................................................................................19
6.7 DTMF Generator...............................................................................................................................21
6.8 Beep Tone Generator.......................................................................................................................23
6.9 8-bit D/A Converter...........................................................................................................................23
6.10 Comparator Control Reg.................................................................................................................24
10.11 Timer 0
3......................................................................................................................................25
6.11.1 Arbitrary Waveform Generator.............................................................................................32
6.12 Interrupt...........................................................................................................................................34
6.12.1 Interrupt Cpntrol Register ......................................................................................................34
6.12.2 Interrupt Enable Flag............................................................................................................35
6.13 Operating Mode..............................................................................................................................35
6.14 Reset ..............................................................................................................................................40
7. ADDRESSING MODE ..............................................................................................................................41
7.1 ROM Addressing Mode.....................................................................................................................41
7.2 RAM Addressing Mode.....................................................................................................................42
7.3 Look-up Table Addressing Mode (1 Word/2 Cycles) ........................................................................43
8. SPECIAL CONTROL REG. FORMAT......................................................................................................44
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相關代理商/技術參數 |
參數描述 |
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| 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 |
| W925E240 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller |
| W925E240FG | 功能描述:IC MCU 8-BIT W/CID 100-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W925 標準包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設備:POR，PWM，WDT 輸入/輸出數:40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
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