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參數(shù)資料
| 型號(hào)： | AT89LV55-12PI |
| 廠商： | Atmel |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 8051 MCU FLASH 20K 40DIP |
| 標(biāo)準(zhǔn)包裝： | 10 |
| 系列： | 89LV |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 12MHz |
| 連通性： | UART/USART |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲(chǔ)器容量： | 20KB（20K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 256 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 6 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 40-DIP（0.600"，15.24mm） |
| 包裝： | 管件 |
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Features
Compatible with MCS-51 Products
20K Bytes of Reprogrammable Flash Memory
– Endurance: 1,000 Write/Erase Cycles
Fully Static Operation: 0 Hz to 12 MHz
Three-level Program Memory Lock
256 x 8-bit Internal RAM
32 Programmable I/O Lines
Three 16-bit Timer/Counters
Eight Interrupt Sources
Low-power Idle and Power-down Modes
2.7V to 6.0V Operating Range
1.
Description
The AT89LV55 is a low-voltage, low-power CMOS 8-bit microcontroller with 20K bytes
of Flash programmable and erasable read-only memory. The device is manufactured
using Atmel’s high-density nonvolatile memory technology and is compatible with the
industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the pro-
gram memory to be reprogrammed. By combining a versatile 8-bit CPU with Flash on
a monolithic chip, the Atmel AT89LV55 is a powerful microcontroller which provides a
highly-flexible and cost-effective solution to many embedded control applications.
The AT89LV55 provides the following standard features: 20K bytes of Flash,
256 bytes of RAM, 32 I/O lines, three 16-bit timer/counters, a six-vector two-level
interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In
addition, the AT89LV55 is designed with static logic for operation down to zero fre-
quency and supports two software selectable power saving modes. The Idle Mode
stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt sys-
tem to continue functioning. The Power-down Mode saves the RAM contents but
freezes the oscillator, disabling all other chip functions until the next hardware reset.
The low-voltage option saves power and operates with a 2.7-volt power supply.
8-bit
Microcontroller
with 20K Bytes
Flash
AT89LV55
Not Recommended
for New Designs.
Use AT89C51RC2.
0811E–MICRO–9/08
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相關(guān)代理商/技術(shù)參數(shù) |
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| AT89RFD-05 | 功能描述:界面開發(fā)工具 SCR Reference Design RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| AT89RFD-06 | 功能描述:界面開發(fā)工具 AT83C25OK Ref Design RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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