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參數(shù)資料
| 型號(hào)： | DS80C320-MNG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Microcontroller |
| 英文描述： | 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 36/38頁 |
| 文件大?。?/td> | 694K |
| 代理商： | DS80C320-MNG |
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DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
7 of 38
Figure 2. Comparative Timing of the DS80C320/DS80C323 and 80C32
DS80C320/DS80C323 TIMING
STANDARD 80C32 TIMING
HIGH-SPEED OPERATION
The DS80C320/DS80C323 are built around a high-speed, 80C32-compatible core. Higher speed comes
not just from increasing the clock frequency but also from a newer, more efficient design.
In this updated core, dummy memory cycles have been eliminated. In a conventional 80C32, machine
cycles are generated by dividing the clock frequency by 12. In the DS80C320/DS80C323, the same
machine cycle is performed in 4 clocks. Thus the fastest instruction, one machine cycle, is executed three
times faster for the same crystal frequency. Note that these are identical instructions. Figure 2 shows a
comparison of the timing differences. The majority of instructions will see the full 3-to-1 speed
improvement. Some instructions will get between 1.5X and 2.4X improvement. Note that all instructions
are faster than the original 80C51. Table 1 shows a summary of the instruction set, including the speed.
The numerical average of all op codes is approximately a 2.5-to-1 speed improvement. Individual
programs are affected differently, depending on the actual instructions used. Speed-sensitive applications
would make the most use of instructions that are three times faster. However, the sheer number of 3-to-1
improved op codes makes dramatic speed improvements likely for any code. The Dual Data Pointer
feature also allows the user to eliminate wasted instructions when moving blocks of memory.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS80C323-MCD | 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PDIP40 |
| DS80C320-QNL | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC44 |
| DS80C320-MCL | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PDIP40 |
| DS80C323-ECD | 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP44 |
| DS80C320-QCL | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS80C320-MNG+ | 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| DS80C320-MNL | 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| DS80C320-MNL+ | 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| DS80C320-MNR | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Speed Microcontroller User Guide |
| DS80C320-QCD | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Speed Microcontroller User Guide |
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