Configuration/Program Method for Altera Device Configure FLEX device byMicro-processor
2008-09-11 10:01
示例使用keil编译完成后, 程序会弹出如下类似信息, 可能有些人不关注此类信息, 其实某些时候还是挺有帮助的, 比如裁剪程序尺寸, 使其大小能装进目标机器运行时;Program Size
2022-02-07 06:59
AT86RF231 PCB天线分集参考设计。该参考设计演示了具有AT86RF231无线电收发器的全功能网络节点，该节点能够承载MAC层实现。两个陶瓷芯片天线在具有多径衰落效应的典型室内场景中增加了链路预算
2020-05-27 09:47
Intel 64x86_64IA-32x86处理器基本执行环境 (2) - 64位执行环境
2019-06-06 06:54
术语：86 盒是一种接线盒的规格，也是在电力装修方面的一个行业标准。比如家里灯的开关，在墙里 的一个盒就是接线盒，分为底盒和面板。底盒基本上都是一样的，面板因不同品牌和不同的型号各 有不同，但都可以
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描述weeCee - 微型 DOS 游戏 PCweeCee 可能是有史以来最小的不使用仿真的 MSDOS 游戏 PC。它基于 ICOP Vortex86 CPU 模块，该模块是用于工业控制的奔腾级
2022-07-26 06:12
86盒型开关和86型插座86盒，又名铁方盒，是一种接线盒的规格，也是在电力装修方面的一个行业标准。比如家里灯的开关，在墙里的一个盒就是接线盒，分为底盒和面板。底盒基本上都是一样的，面板因不同品牌
2021-07-26 08:19
目录1、ARM1.1 ARM历史1.2 ARM内核系列2、MIPS应用范围发展历史3、PowerPC三巨头4、X86架构X86历史5、PowerPC架构相比于ARM的优势6、Powerpc架构
2021-07-26 06:16
x86系：x86架构的最大特色在于可以兼容Windows操作系统，现已成为了业界的一种标准。芯片巨头美国英特尔（Intel）一家独大。——（北大众志、兆芯、海光）兆芯：上海兆芯集成电路有限公司（以下
2021-07-27 08:14
.def_Reset.ref_c_int00.sect "vectors"_Reset: .ivec _c_int00, USE_RETA.sect "indata"x0: .copy.\dualsine.dat; allocate label definitions and/or references here; allocate uninitialized data sections heresamps_fir .set 200taps_fir.set 16a0:.usect "coeffs" , taps_firy0:.usect "results", (samps_fir-taps_fir + 2) & 0xFFFEsamps_iir .set 200taps_iir.set 8a1:.usect "coeffs" , taps_iiry1:.usect "results", samps_iir & 0xFFFEz1:.usect "results", 2; allocate memory for stack and system stackSTKLEN .set 100BOS: .usect "STK", STKLEN.evenBOSS: .usect "SSTK", STKLEN; allocate initialized data section here;only the first 8 values are used in lab2 and lab3.sect "init"table_fir:.int 7FCh, 7FDh, 7FEh, 7FFh.int 800h, 801h, 802h, 803h.int 803h, 802h, 801h, 800h.int 7FFh, 7FEh, 7FDh, 7FChtable_iir:.int 0001h, 0002h, 0029h,872Eh.int 3978h, 2000h, 4000h,2000h;allocate initialized code section here .def _c_int00 .sect "code"_c_int00:; gv - CPU configuration must match assembler BCLR C54CM.c54cm_off; when off, work in C55 mode , other wise in C54 mode. BCLR CPL.cpl_off; when off, working in assemble mode, other wise in C mode. ; when assemble mode,"move @a, XAR " will get value from XDP+ a; when C mode,"mov @a, XAR" will get value from SP + a. BCLR ARMS ; syntax checking directives.arms_off ; when off, work in the DSP mode,other wise in CPU mode. BSET M40 ; use 40 bits extenion. BSET FRCT; redundant sign bit eliminated automatically. BSET SXMD; sign extension; initialized the pointer to SP and SSP.AMOV #(BOS + STKLEN),XSPAMOV #(BOSS + STKLEN),XSSPCALL copy_fir CALL fir CALL copy_iir CALL iir NOPhere: B herecopy_fir:.asmfunc AMOV #table_fir,XAR2 AMOV #a0, XAR3 RPT #7; repeat 8 times MOV dbl(*AR2+), dbl(*AR3+); indirect addressing .endasmfuncRET ; return for the subrounte _copy callfir:.asmfuncAMOV #x0, XAR2AMOV #a0, XCDPAMOV #(x0+1),XAR3 AMOV #y0, XAR4 MOVmmap(CDP), BSAC MOV#0, CDP MOV#taps_fir,BKC MOV#(taps_fir-3),T0 MOV#(taps_fir-3),CSR BSET CDPLC MOV #((samps_fir-taps_fir)/2), BRC0; 92 RPTBLOCAL e1MPY *AR2+, *CDP+, AC0 :: MPY *AR3+, *CDP+, AC1 || RPT CSRMAC *AR2+, *CDP+, AC0 :: MAC *AR3+, *CDP+, AC1MAC *(AR2-T0), *CDP+, AC0 :: MAC *(AR3-T0), *CDP+, AC1e1: MOV pair(hi(AC0)), dbl(*AR4+).endasmfuncRETcopy_iir:.asmfunc AMOV #table_iir,XAR2 AMOV #a1, XAR3 RPT #3; repeat 4 times MOV dbl(*AR2+), dbl(*AR3+); indirect addressing AMOV #z1, XAR1; initialized the two taps mov #0, *AR1+ mov #0, *AR1+ .endasmfuncRET ; return for the subrounte _copy calliir:.asmfuncAMOV #x0, XAR0AMOV #z1, XAR1AMOV #a1, XAR2 AMOV #y1, XAR3 MOVmmap(AR2), BSA23 MOV#0,AR2 MOV#taps_iir,BK03 BSET AR2LC MOV#(samps_iir-1), BRC0 RPTBLOCAL e2 MOV *AR0+ SARAM16results > CE0init > FLASH ALIGN = 4 code > FLASH vectors > VECS STK> DARAM3 ALIGN = 4 SSTK > DARAM3 ALIGN = 4}
2014-04-04 02:10
