參數(shù)資料
型號(hào)： W78E58P-24
廠商： WINBOND ELECTRONICS CORP
元件分類(lèi)： 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, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 4/23頁(yè)
文件大?。?/td> 307K
代理商： W78E58P-24
W78E58
- 4 -
Flash
No function in this mode.
EA/V
PP
MODE
DESCRIPTION
Normal
EA
,
External Access, Input, active low.
This pin forces the processor to execute a program from the external ROM. When the
internal flash EEPROM is accessed as in the W78C58, this pin should be kept high.
Flash
V
PP
, Program Power supply pin, Input.
This pin accepts the high voltage (12V) needed for programming the flash EEPROM.
RST
MODE
Normal
DESCRIPTION
RST, Reset, Input, active high.
This pin resets the processor. It must be kept high for at least two machine cycles in
order to be recognized by the processor.
Flash mode configuration pin, Input, active high.
RST is used to configure the flash operations. For details, see
Flash Operations
.
Flash
ALE
MODE
Normal
DESCRIPTION
ALE, Address Latch Enable, Output, active high.
ALE is used to enable the address latch that separates the address from the data on
Port 0. ALE runs at 1/6th of the oscillator frequency. A single ALE pulse is skipped
during external data memory accesses. ALE goes to a high impedance state with a
weak pull-up during reset state.
Flash mode configuration pin, Input, active low.
ALE is used to configure the flash operations. For details, see
Flash Operations
.
Flash
PSEN
MODE
Normal
DESCRIPTION
PSEN,
Program Store Enable, Output, active low.
This pin enables the external ROM onto the Port 0 address/data bus during fetch and
MOVC operations. PSEN goes to a high impedance state with a weak pull-up during
reset state
Flash mode configuration pin, Input, active high.
Flash
PSEN is used to configure the flash operations. For details, see
Flash Operations.
XTAL1
MODE
DESCRIPTION
相關(guān)PDF資料
PDF描述
W78E58P-40 8-BIT MICROCONTROLLER
W78E58 8-BIT MICROCONTROLLER
W78E58-16 8-BIT MICROCONTROLLER
W78E58-24 8-BIT MICROCONTROLLER
W78E58-40 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W78E58P-40 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:8-BIT MICROCONTROLLER
W78E62B 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:8-BIT MICROCONTROLLER
W78E858 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:8 BIT MICROCONTROLLER
W78E858_06 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:8-BIT MICROCONTROLLER
W78E858A40DL 功能描述:IC MCU 8-BIT 32K FLASH 40-DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:W78 標(biāo)準(zhǔn)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(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類(lèi)型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線(xiàn)） 包裝:帶卷 (TR)
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