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參數資料
型號: W78E858
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 1/33頁
文件大小: 1186K
代理商: W78E858
W78E858 Data Sheet
8-BIT MICROCONTROLLER
Publication Release Date: May 5, 2004
- 1 -
Revision A4
Table of Contents-
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 3
FEATURES................................................................................................................................. 3
PIN CONFIGURATIONS ............................................................................................................ 4
PIN DESCRIPTION..................................................................................................................... 5
BLOCK DIAGRAM...................................................................................................................... 6
FUNCTIONAL DESCRIPTION ................................................................................................... 6
6.1
RAM................................................................................................................................ 6
6.2
EEPROM ........................................................................................................................ 7
6.2.1
Byte Write Mode...............................................................................................................7
6.2.2
Page Write Mode..............................................................................................................7
6.2.3
Software Protected Data Write.........................................................................................7
6.2.4
Command Codes for Software Data Protection Enable/Disable and Software Erase.......7
6.3
Demo Code:.................................................................................................................... 8
6.4
On-chip Flash EPROM................................................................................................. 11
6.5
Timers 0, 1, and 2......................................................................................................... 11
6.6
Clock............................................................................................................................. 11
6.7
Crystal Oscillator........................................................................................................... 11
6.8
External Clock............................................................................................................... 11
6.9
Power Management...................................................................................................... 11
6.9.1
Idle Mode........................................................................................................................11
6.9.2
Power-down Mode..........................................................................................................12
6.9.3
Wake-up Via External Interrupts INT0 to INT9...............................................................12
6.10
Reset............................................................................................................................. 13
6.11
Pulse Width Modulator System .................................................................................... 14
6.11.1
PWMCON (91H)...........................................................................................................14
6.11.2
PWMP (92H) ................................................................................................................14
6.12
In-system Programming System .................................................................................. 15
6.12.1
SFRAL (C4H) ...............................................................................................................16
6.12.2
SFRAH (C5H)...............................................................................................................16
6.12.3
SFRFD (C6H)...............................................................................................................16
6.12.4
SFRCN (C7H) ..............................................................................................................16
6.13
In-system Programming Mode Operating Table .......................................................... 16
6.13.1
CHPCON (BFH) ...........................................................................................................17
6.14
MXPSR (A2H)............................................................................................................... 17
6.15
Interrupt System ........................................................................................................... 17
6.16
External Interrupts INT2 to INT9................................................................................... 18
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W78E858A40DL 功能描述:IC MCU 8-BIT 32K FLASH 40-DIP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:W78 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)
W78E858A40FL 功能描述:IC MCU 8-BIT 32K FLASH 44-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:W78 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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