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W78E58B-40

W78E58B-40
型号:W78E58B-40
品牌:WINBOND WINBOND
批号:13+
封装:DIP40
原价:8.9
数量:98002
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订购电话:86755-83294757
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备注:100% brand new and original (100% 全新原装)
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详细描述

W78E58B-40 - 8-BIT MICROCONTROLLER 

1. GENERAL DESCRIPTION 

The W78E58B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for 

firmware updating. The instruction set of the W78E58B is fully compatible with the standard 8052. The 

W78E58B contains a 32K bytes of main ROM and a 4K bytes of auxiliary ROM which allows the 

contents of the 32KB main ROM to be updated by the loader program located at the 4KB auxiliary 

ROM; 512 bytes of on-chip RAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional 4-

bit port P4; three 16-bit timer/counters; a serial port. These peripherals are supported by a eight 

sources two-level interrupt capability. To facilitate programming and verification, the ROM inside the 

W78E58B allows the program memory to be programmed and read electronically. Once the code is 

confirmed, the user can protect the code for security. 

The W78E58B microcontroller has two power reduction modes, idle mode and power-down mode, 

both of which are software selectable. The idle mode turns off the processor clock but allows for 

continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power 

consumption. The external clock can be stopped at any time and in any state without affecting the 

processor. 

2. FEATURES 

· Fully static design 8-bit CMOS microcontroller 

· 32K bytes of in-system programmable Flash EPROM for Application Program (APROM) 

· 4K bytes of auxiliary ROM for Loader Program (LDROM) 

· 512 bytes of on-chip RAM (including 256 bytes of AUX-RAM, software selectable) 

· 64K bytes program memory address space and 64K bytes data memory address space 

· Four 8-bit bi-directional ports 

· One 4-bit multipurpose programmable port 

· Three 16-bit timer/counters 

· One full duplex serial port 

· Eight-sources, two-level interrupt capability 

· Built-in power management 

· Code protection 

· Packaged in 

 - DIP 40: W78E58B-24/40 

 - PLCC 44: W78E58BP-24/40 

 - QFP 44: W78E58BF-24/40 

 

由于客户采购批量与样品的价格不同,网上无法统一注明,请您把采购型号通过邮件或客服QQ:2850151585 发给我们,也可以拨打明佳达国内销售部电话:0755-83957301,由客服人员为您报价;有时元件厂商价格稍许变动,本公司未能及时调整,如您觉得售价稍高,请与我们说明并适当议价,感谢支持!

 

 

MJD is a corporation which engaged in agency electronic components. MJD Through seventeen years unrimitting efforts,  aspire to provide our customers with world-leading products and service. Now already became a one of the most famous electronic components distributor in China.

 

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PAYMENTS:

 

We support the following payment methods:

 

1. Paypal

2. Western Union 

3. Bank Wire (TT)

4. MoneyGram

 

Shipping:

 

1. MJD needs about 3 BUSINESS DAY to handle the order after received payment. after receiving your payment. Otherwise, we will state it in the invoice in advance.

 

2. MJD can Ship via your shipping account (DHL / FEDEX / UPS / TNT or others) as your instruction. Or Ship via our shipping account (We have a very good relationship with DHL and FEDEX with very special freight).

 

3. Regarding the declared value on the package for customs clearance, we are pleased to follow your wishes, just feel free to inform us when ordering.

 

4. Any import fees or charges are the buyer's responsibility.

 

REFUNDS & RETURN:

 

We offer a warranty on all items that we sold. Item will be tested before ship,it will be in good condition,if there are some problems with the item,feel free to contact us.Please Email us to notify a defective item. Unless otherwise specified, this item comes with 30 days warranty from the shipment date.

 

You must contact us before returning any product. All returns must be made within 30 days from this shipment date.Return must be in new condition(the SAME CONDITION as it was sent to you)

 

Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email Sales@hkmjd.com or skype id mjdccm898 to us.  As well as welcome you call us : 0755-83957301  We will send offer for you; Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support !

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