计数器

This paper presents three IP cores in detail, which arecharacter LCD controller, Timer/Counter and DMA controller. All those tree IP cores interfacesare WISHBONE compilable.

本文完成了遵循WISHBONE总线标准的字符型LCD控制器、定时／计数器、DMA控制器3个IP软核的设计。

111 Covers digital design topics such as digital logic, flipflops, PALs, CPLDs, FPGAs, counters, timing, synchronization, and finite-state machines.

6.111涵盖了数字设计主题，如数字逻辑、触发器、PAL、CPLD、FPGA、计数器、时序、同步、有限状态机。

111 Consists of lectures and labs on digital logic, flipflops, PALs, counters, timing, synchronization, finite-state machines, and microprogrammed systems.

6.111包括了数位逻辑、正反器、PAL、计数器、时序、同步、有限状态机、和微控制系统方面的讲课与实验。

111 Consists of lectures and labs on digital logic, flipflops, PALs, counters, timing, synchronization, finite-state machines, and microprogrammed systems.

6.111包括了数字逻辑、触发器、PAL、计数器、时序、同步、有限状态机、和微控制系统方面的讲课与实验。

Eatures · Compatible with MCS-51 Products · 2K Bytes of Reprogrammable Flash Memory – Endurance: 1,000 Write/Erase Cycles · 2.7V to 6V Operating Range · Fully Static Operation: 0 Hz to 24 MHz · Two-Level Program Memory Lock · 128 x 8-Bit Internal RAM · 15 Programmable I/O Lines · Two 16-Bit Timer/Counters · Six Interrupt Sources · Programmable Serial UART Channel · Direct LED Drive Outputs · On-Chip Analog Comparator · Low Power Idle and Power Down Modes Description The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K Bytes of Flash programmable and erasable read only memory.

eatures ·兼容MCS - 51的产品·及2k字节的编程快闪记忆体-耐力： 1 000写/擦除周期·在2.7 V至6 V的操作范围·完全静态的运作： 0 Hz至24兆赫·两个层次的程式记忆体锁· 128 × 8位内部RAM · 15个可编程I / O线·两个16位定时器/计数器· 6中断源·可编程串行UART的频道·直接驱动LED产出·单晶片模拟比较·低功耗的闲置和掉电模式描述该AT89C2051的是一个低电压，高性能的CMOS 8位微机与及2k字节的Flash可编程和可擦除唯读记忆体。

No, it's unnecessary. I don't think I have a fever.

不，没有必要，我想我没有发烧。

We live in a culture of instant gratification.

我们生活在即时满足的文化中。