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家电用 740 Slim 系列Renesas

简介:

问:请问此系列芯片的主要用途是什么?如何鉴定此芯片的好坏?
答: 740 series suitable for home appliance using.
like air-con, refrigerator, washing machine...

问:请介绍系列的视频图像处理功能.
答: For our TV MCU 740 series. We have a good OSD function. But no video processing feature.

Pls contact me for our new IDREAM TV processor series and the PXG video technology.

Kelvin.tang@renesas.com

问:仿真器是否对所有740系列都能用?价格如何?
答: 我们有档次不同的仿真系统,全功能型的仿真机能支持所有的740系列。价格方面也有多种选择。

问:如果做通信或工业控制设计,740系列能否提供带TCP/IP内核的功能?
答: 740没有TCP/IP的功能模块。要实现此功能,通常情况下是由软件实现的,请和深圳代表处的工程师联系。0755-82463833 ,Jason Dong

问:Please recommend MCU for LCD main control unit of air cond.? What are the advantages?
答: We recommend M38223 (80-pin), M38C2 ( 64-pin)
for air-con with LCD using.
They have following advantages:
1. High tolerance against noise
2. Lowest power consumption
3. Low-cost compact emulator (support USB)
4. Support for C compil

问:If LCD driver is used 740 slim, what functions/features cannot be used at the same time ?
答: LCD driver function will occupy some normal I/O ports.

问:可否提供一些子程序模块?我的E-MAIL是csrong@etang.com
答: You can download the examples from our web site:

Timer/AD/UART/IO PORT etc.

http://www.renesas.com/eng/products/mpumcu/8bit/740/74apnode.html

You can email to me for any question:

kelvin.tang@renesas.com


问:根据家电开发工程师讲,因Flash编程与擦除电压低,在具体应用中由于电磁噪声会出现误擦除现象,不知740系列Flash MCU如何解决这各问题?
答: 1. Grounding is a main point.
2. Be careful the circuit connection for the target MCU. Pls also add a by pass cap to Vcc and Gnd

问:Kelvin:
你们还有高速的USB产品吗?能推荐一款吗?

答: 1. For 8 bit MCU, Full speed USB 2.0 is M37641
2. For 16 bit MCU, Full speed USB 2.0 is M30245 or H8S2215.
3. For USB Full speed 2.0 Controller is M66290/1
4. For USB High speed 2.0 Controller is M66591/2
5. For USB Full speed Host MCU is S

问:据我所知,大陆白色家电中用量最大的MCU为东芝870系列,请问740与870相比有何优势?

答: 在国内的某些大客户中,我们公司的份额已经超过80%。740的优势是有很高的性价比。