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W78LE812P-24

W78LE812P-24
型号:W78LE812P-24
品牌:WINBOND WINBOND
批号:13+
封装:PLCC44
原价:18
数量:85230
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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

W78LE812P-24 - 8-BIT MTP MICROCONTROLLER 

GENERAL DESCRIPTION

The W78LE812 is an 8-bit microcontroller which can accommodate a wide range of supply voltages

with low power consumption. The instruction set for the W78LE812 is fully compatible with the

standard 8051. The W78LE812 contains an 8K bytes MTP ROM (Multiple-Time Programmable

ROM); a 256 bytes RAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional 6-bit I/O

port P4; three 16-bit timer/counters; a hardware watchdog timer and a serial port. These peripherals

are supported by a fourteen sources two-level interrupt capability. To facilitate programming and

verification, the MTP-ROM inside the W78LE812 allows the program memory to be programmed and

read electronically. Once the code is confirmed, the user can protect the code for security.

The W78LE812 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.

FEATURES

· Fully static design 8-bit CMOS microcontroller

· Wide supply voltage of 2.4V to 5.5V

· 256 bytes of on-chip scratchpad RAM

· 8 KB electrically erasable/programmable MTP-ROM

· 64 KB program memory address space

· 64 KB data memory address space

· Four 8-bit bi-directional ports

· Three 16-bit timer/counters

· Timer 2 Clock-out

· One full duplex serial port(UART)

· Watchdog Timer

· Direct LED drive outputs

· Fourteen sources, two-level interrupt capability

· Wake-up via external interrupts at Port 1

· EMI reduction mode

· Built-in power management

· Code protection mechanism

· Packages:

- DIP 40: W78LE812-24

- PLCC 44: W78LE812P-24

 - PQFP 44: W78LE812F-24

 

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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