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[Other resource] 27c512

Description: 用于LED点阵屏的中文字库.有制作点阵屏的同志请看,这是一个HEX的文件.-LED Display Screen for the Chinese font. Making a lattice screen comrades See, this is a HEX document.
Platform: | Size: 47339 | Author: sunby | Hits:

[Embeded-SCM Develop] buildabinarycompatible6502ttlCPU

Description: Back in 2002, the 6502 disappeared out of all catalogues. Wanted to know, if it s possible to build a binary compatible CPU with the things I had in the drawer: 74LS parts, 27C512 EPROMs and a fast static RAM from an old 80386 motherboard. Now here the results. Note, that the Bus timing is different from the 6502.
Platform: | Size: 3224953 | Author: kim kenneth | Hits:

[Embeded-SCM Develop] i2c汉字库仿真

Description: 单片机汉字和ASCII字符程序，程序中的汉字和英文全部存在字库中。单片机用的是常用的8051，仿真软件用的是proteus。由于proteus中的flash最大是64k,没有29c040等，而汉字和ASCII加起来有二百多k,所以用了5片27c512，如此一来程序就复杂了。用hc38译码器做片选等功能，hc00做逻辑电路，锁存器是hc373,液晶屏是12864的，ks0108驱动芯片，都是比较常用的。技术上用的是总线方法，包换液晶屏，没有用间接驱动，因为那样浪费IO口，液晶屏因为有左右屏之分，所以还要考虑在只有一个ASCII字符和情况下如果要显示中文该如何处理。还用到了分页技术，因为flash太多了。proteus的优点是不用硬件就可以调试程序，但有时与在硬件板上有区别。但还是相当不错的，如果做硬件板的话，或许要花几百元。看下图的仿真，proteus版本是7.1，keil的版本是8.02.如果学生拿来做毕业设计的话，那是相当不错的，因为这个技术曾经用在产品上。 上面是前段时间写的一个单片机外挂汉字库程序,之后有好多学员和朋友说那个仿真太占用率低IO口了，实用性不高，加上有人要我他用I2C做字库，所以就做了下面这个程序，这下解放了一大堆IO和其它的元件，程序变得更简单了，学员们高兴极了。唯一不好的地方就是I2C的速度慢，显示费劲，大家做产品要考虑这个问题。
Platform: | Size: 479756 | Author: yjiyv_1 | Hits:

[Other Embeded program] 27c512

Description: 用于LED点阵屏的中文字库.有制作点阵屏的同志请看,这是一个HEX的文件.-LED Display Screen for the Chinese font. Making a lattice screen comrades See, this is a HEX document.
Platform: | Size: 47104 | Author: sunby | Hits:

[Embeded-SCM Develop] buildabinarycompatible6502ttlCPU

Description: Back in 2002, the 6502 disappeared out of all catalogues. Wanted to know, if it s possible to build a binary compatible CPU with the things I had in the drawer: 74LS parts, 27C512 EPROMs and a fast static RAM from an old 80386 motherboard. Now here the results. Note, that the Bus timing is different from the 6502.
Platform: | Size: 3224576 | Author: kim kenneth | Hits:

[SCM] LCD_HZK

Description: 单片机汉字和ASCII字符程序，程序中的汉字和英文全部存在字库中。单片机用的是常用的8051，仿真软件用的是proteus。由于proteus中的flash最大是64k,没有29c040等，而汉字和ASCII加起来有二百多k,所以用了5片27c512，如此一来程序就复杂了。用hc38译码器做片选等功能，hc00做逻辑电路，锁存器是hc373,液晶屏是12864的，ks0108驱动芯片，都是比较常用的。技术上用的是总线方法，包换液晶屏，没有用间接驱动，因为那样浪费IO口，液晶屏因为有左右屏之分，所以还要考虑在只有一个ASCII字符和情况下如果要显示中文该如何处理。还用到了分页技术，因为flash太多了。proteus的优点是不用硬件就可以调试程序，但有时与在硬件板上有区别。但还是相当不错的，如果做硬件板的话，或许要花几百元。看下图的仿真，proteus版本是7.1，keil的版本是8.02.如果学生拿来做毕业设计的话，那是相当不错的，因为这个技术曾经用在产品上。 -err
Platform: | Size: 208896 | Author: 山 | Hits:

[Other Embeded program] atmel

Description: 基于单片机的电子书阅读器设计，用27C512存储，用LCD12641显示-MCU-based e-book reader designed to used storage LCD12641 shows 27C512
Platform: | Size: 6144 | Author: 佐小弱 | Hits:

[SCM] msp320240

Description: MSP320X240型触摸屏的驱动及使用27c512的图像显示程序。-MSP320X240 type touch screen using the 27c512 driver and image display program.
Platform: | Size: 45056 | Author: 白思特 | Hits:

[SCM] qqyyPRO

Description: 原创作品：QQYYPRO编程器简介 制作该编程器可使用8K 的78LE52﹐或64K 78LE516 .可编程AT89系列﹐AT89CX051系列﹐Winbond 78系列和27C512 EPROM。 可编程IC清单﹕ AT89C51 AT89C52 AT89C55/LV55 AT89S51/LS51 AT89S52/LS52 AT89S53 AT89C1051 AT89C2051 AT89C4051 78E51/LE51 78E52/LE52 78E516/LE516 W27C512-Original works: QQYYPRO programmer profile production of the programmer can use the 8K of 78LE52, or 64K 78LE516. Programmable AT89 series, AT89CX051 series, Winbond 78 series and the 27C512 EPROM. Programmable IC list: AT89C51 AT89C52 AT89C55/LV55 AT89S51/LS51 AT89S52/LS52 AT89S53 AT89C1051 AT89C2051 AT89C4051 78E51/LE51 78E52/LE52 78E516/LE516 W27C512
Platform: | Size: 2141184 | Author: qqyy20 | Hits:

[SCM] 3102_fp_ram

Description: Small programs allow copy entire RAM image in to programmable fiscal memory 27C512/also cleaned Winbond W27c512 supported and restore RAM image from it. i wrote this code easyway to fix some ram errors schematics of cashregister included , but it version is 2102 , the 3102 hardware is very simular to it .-Small programs allow copy entire RAM image in to programmable fiscal memory 27C512/also cleaned Winbond W27c512 supported and restore RAM image from it. i wrote this code easyway to fix some ram errors schematics of cashregister included , but it version is 2102 , the 3102 hardware is very simular to it .
Platform: | Size: 137216 | Author: OrionSoft | Hits:

[Other Embeded program] 3102fp_ram

Description: MSC-51 workin with 27c512 8XcX1 source code to read-ram write rom and read rom-write - programm 27c512 UV-PROM . -MSC-51 workin with 27c512 8XcX1 source code to read-ram write rom and read rom-write - programm 27c512 UV-PROM .
Platform: | Size: 3072 | Author: Crunch_2032 | Hits:

[SCM] 27c512

Description: 27c512的hex文件，可以测试17c512的程序，值得大家收藏-27c512 hex file, you can test 17c512 program, worth collection
Platform: | Size: 47104 | Author: 张建 | Hits:

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