The P90CL301 is a highly integrated 16/32 bit micro-controller especially suitable for applications requiring lowvoltage and low power consumption. It is fully software compatible with the 68000. Furthermore, it provides bothstandard as well as advanced peripheral functions on-chip.One of these peripheral functions is the I2C bus. This report describes worked-out driver software (written in C) toprogram the P90CL301 I2C interface. It also contains interface software routines offering the user a quick start inwriting a complete I2C system application.
上傳時間: 2014-01-06
上傳用戶:氣溫達上千萬的
The XA-S3 is a member of Philips Semiconductors’ XA (eXtended Architecture) family of high performance 16-bit single-chip Microcontrollers. The XA-S3 combines many powerful peripherals on one chip. Therefore, it is suited for general multipurpose high performance embedded control functions.One of the on-chip peripherals is the I2C bus interface. This report describes worked-out driver software (written in C) to program / use the I2C interface of the XA-S3. The driver software, together with a demo program and interface software routines offer the user a quick start in writing a complete I2C - XAS3 system application.
上傳時間: 2013-11-10
上傳用戶:liaofamous
用C51寫的普通拼音輸入法源程序代碼:原作使用了一個二維數組用以查表,我認為這樣比較的浪費空間,而且每個字表的索引地址要手工輸入,效率不高。所以我用結構體將其改寫了一下。就是大家現在看到的這個。 因為代碼比較的大,共有6,000多漢字,這樣就得要12,000 byte來存放GB內碼,所以也是沒辦法的.編譯結果約為3000h,因為大部分是索引表,代碼優化幾乎無效。 在Keil C里仿真芯片選用的是華邦的W77E58,它有32k ROM, 256B on-chip RAM, 1K on-chip SRAM (用DPTR1指針尋址,相當于有1K的片上xdata)。條件有限,沒有上片試驗,仿真而已。 打算將其移植到AVR上,但CodeAVRC與IAR EC++在結構體、指針的定義使用上似乎與C51不太一樣,現在還未搞定。還希望在這方面有經驗的網友能給予指導。 #include<stdio.h> char * py_ime(char *); void main(void){ while(1) { char input_string[]="yI"; xdata char chinese_string[255]; sprintf(chinese_string,"%s",py_ime(input_string)); }}
上傳時間: 2013-10-30
上傳用戶:cainaifa
PK51是為8051系列單片機所設計的開發工具,支持所有8051系列衍生產品,,支持帶擴展存儲器和擴展指令集(例如Dallas390/5240/400,Philips 51MX,Analog Devices MicroConverters)的新設備,以及支持很多公司的一流的設備和IP內核,比如Analog Devices, Atmel, Cypress Semiconductor, Dallas Semiconductor, Goal, Hynix, Infineon, Intel, NXP(founded by Philips), OKI, Silicon Labs,SMSC, STMicroeleectronics,Synopsis, TDK, Temic, Texas Instruments,Winbond等。通過PK51專業級開發工具,可以輕松地了解8051的On-chip peripherals與及其它關鍵特性。
上傳時間: 2013-10-09
上傳用戶:1109003457
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash programmable and erasable read only memory (PEROM). The deviceis manufactured using Atmel’s high-density nonvolatile memory technology and iscompatible with the industry-standard 80C51 and 80C52 instruction set and pinout.The on-chip Flash allows the program memory to be reprogrammed in-system or by aconventional nonvolatile memory programmer. By combining a versatile 8-bit CPUwith Flash on a monolithic chip, the Atmel AT89C52 is a powerful microcomputerwhich provides a highly-flexible and cost-effective solution to many embedded controlapplications.
上傳時間: 2013-11-10
上傳用戶:1427796291
The Tri-Mode Ethernet MAC (TEMAC) UltraController-II module is a minimal footprint,embedded network processing engine based on the PowerPC™ 405 (PPC405) processor coreand the TEMAC core embedded within a Virtex™-4 FX Platform FPGA. The TEMACUltraController-II module connects to an external PHY through Gigabit Media IndependentInterface (GMII) and Management Data Input/Output (MDIO) interfaces and supports tri-mode(10/100/1000 Mb/s) Ethernet. Software running from the processor cache reads and writesthrough an On-Chip Memory (OCM) interface to two FIFOs that act as buffers between thedifferent clock domains of the PPC405 OCM and the TEMAC.
上傳時間: 2013-10-26
上傳用戶:yuzsu
Keil C51 V8 專業開發工具(PK51) PK51是為8051系列單片機所設計的開發工具,支持所有8051系列衍生產品,,支持帶擴展存儲器和擴展指令集(例如Dallas390/5240/400,Philips 51MX,Analog Devices MicroConverters)的新設備,以及支持很多公司的一流的設備和IP內核,比如Analog Devices, Atmel, Cypress Semiconductor, Dallas Semiconductor, Goal, Hynix, Infineon, Intel, NXP(founded by Philips), OKI, Silicon Labs,SMSC, STMicroeleectronics,Synopsis, TDK, Temic, Texas Instruments,Winbond等。 通過PK51專業級開發工具,可以輕松地了解8051的On-chip peripherals與及其它關鍵特性。 The PK51專業級開發工具包括… l μVision Ø 集成開發環境 Ø 調試器 Ø 軟件模擬器 l Keil 8051擴展編譯工具 Ø AX51宏匯編程序 Ø ANSI C編譯工具 Ø LX51 連接器 Ø OHX51 Object-HEX 轉換器 l Keil 8051編譯工具 Ø A51宏匯編程序 Ø C51 ANSI C編譯工具 Ø BL51 代碼庫連接器 Ø OHX51 Object-HEX 轉換器 Ø OC51 集合目標轉換器 l 目標調試器 Ø FlashMON51 目標監控器 Ø MON51目標監控器 Ø MON390 (Dallas 390)目標監控器 Ø MONADI (Analog Devices 812)目標監控器 Ø ISD51 在系統調試 l RTX51微實時內核 你應該考慮PK51開發工具包,如果你… l 需要用8051系列單片機來開發 l 需要開發 Dallas 390 或者 Philips 51MX代碼 l 需要用C編寫代碼 l 需要一個軟件模擬器或是沒有硬件仿真器 l 需要在單芯片上基于小實時內核創建復雜的應用
上傳時間: 2013-10-30
上傳用戶:yy_cn
The LPC1850/30/20/10 are ARM Cortex-M3 based microcontrollers for embeddedapplications. The ARM Cortex-M3 is a next generation core that offers systemenhancements such as low power consumption, enhanced debug features, and a highlevel of support block integration.The LPC1850/30/20/10 operate at CPU frequencies of up to 150 MHz. The ARMCortex-M3 CPU incorporates a 3-stage pipeline and uses a Harvard architecture withseparate local instruction and data buses as well as a third bus for peripherals. The ARMCortex-M3 CPU also includes an internal prefetch unit that supports speculativebranching.The LPC1850/30/20/10 include up to 200 kB of on-chip SRAM data memory, a quad SPIFlash Interface (SPIFI), a State Configuration Timer (SCT) subsystem, two High-speedUSB controllers, Ethernet, LCD, an external memory controller, and multiple digital andanalog peripherals.
上傳時間: 2014-12-31
上傳用戶:zhuoying119
On the LPC13xx, programming, erasure and re-programming of the on-chip flash can be performed using In-System Programming (ISP) via the UART serial port, and also, can be performed using In-Application Programming (IAP) calls directed by the end-user code. For In-System Programming (ISP) via the UART serial port, the ISP command handler (resides in the bootloader) allows erasure of one or more sector (s) of the on-chip flash memory.
上傳時間: 2013-12-13
上傳用戶:lmq0059
The power of programmability gives industrial automation designers a highly efficient, cost-effective alternative to traditional motor control units (MCUs)。 The parallel-processing power, fast computational speeds, and connectivity versatility of Xilinx® FPGAs can accelerate the implementation of advanced motor control algorithms such as Field Oriented Control (FOC)。 Additionally, Xilinx devices lower costs with greater on-chip integration of system components and shorten latencies with high-performance digital signal processing (DSP) that can tackle compute-intensive functions such as PID Controller, Clark/Park transforms, and Space Vector PWM. The Xilinx Spartan®-6 FPGA Motor Control Development Kit gives designers an ideal starting point for evaluating time-saving, proven, motor-control reference designs. The kit also shortens the process of developing custom control capabilities, with integrated peripheral functions (Ethernet, PowerLink, and PCI® Express), a motor-control FPGA mezzanine card (FMC) with built-in Texas Instruments motor drivers and high-precision Delta-Sigma modulators, and prototyping support for evaluating alternative front-end circuitry.
上傳時間: 2013-10-28
上傳用戶:wujijunshi