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AT89LS8252-12AL PDF预览

AT89LS8252-12AL

更新时间： 2024-11-24 12:58:07
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器
页数 文件大小 规格书
31页 472K
描述
Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM THICKNESS, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44

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AT89LS8252-12AL 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Transferred零件包装代码：QFP
包装说明：TQFP,针数：44
Reach Compliance Code：compliantHTS代码：8542.31.00.01
风险等级：5.22Is Samacsys：N
具有ADC：NO地址总线宽度：16
位大小：8最大时钟频率：12 MHz
DAC 通道：NODMA 通道：NO
外部数据总线宽度：8JESD-30 代码：S-PQFP-G44
JESD-609代码：e3长度：10 mm
湿度敏感等级：3I/O 线路数量：32
端子数量：44片上程序ROM宽度：8
最高工作温度：70 °C最低工作温度：
PWM 通道：NO封装主体材料：PLASTIC/EPOXY
封装代码：TQFP封装形状：SQUARE
封装形式：FLATPACK, THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not QualifiedRAM（字节）：256
ROM（单词）：8192ROM可编程性：FLASH
座面最大高度：1.2 mm速度：12 MHz
最大供电电压：6 V最小供电电压：2.7 V
标称供电电压：3 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.8 mm端子位置：QUAD
处于峰值回流温度下的最长时间：40宽度：10 mm
uPs/uCs/外围集成电路类型：MICROCONTROLLERBase Number Matches：1

AT89LS8252-12AL 数据手册

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Features  
• Compatible with MCS-51™Products  
• 8K Bytes of In-System Reprogrammable Downloadable Flash Memory  
- SPI Serial Interface for Program Downloading  
- Endurance: 1,000 Write/Erase Cycles  
• 2K Bytes EEPROM  
- Endurance: 100,000 Write/Erase Cycles  
• 2.7V to 6V Operating Range  
• 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  
8-Bit  
Microcontroller  
with 8K Bytes  
Flash  
• Nine Interrupt Sources  
• Programmable UART Serial Channel  
• SPI Serial Interface  
• Low Power Idle and Power Down Modes  
• Interrupt Recovery From Power Down  
• Programmable Watchdog Timer  
• Dual Data Pointer  
• Power Off Flag  
AT89LS8252  
Description  
The AT89LS8252 is a low-power, wide-voltage range, high-performance CMOS 8-bit  
microcomputer with 8K bytes of Downloadable Flash programmable and erasable  
read only memory and 2K bytes of EEPROM. The device is manufactured using  
Atmel’s high density nonvolatile memory technology and is compatible with the indus-  
try standard 80C51 instruction set and pinout. The on-chip Downloadable Flash  
allows the program memory to be reprogrammed in-system through an SPI serial  
interface or by a conventional nonvolatile memory programmer. By combining a ver-  
satile 8-bit CPU with Downloadable Flash on a monolithic chip, the Atmel  
AT89LS8252 is a powerful microcomputer which provides a highly flexible and cost  
effective solution to many embedded control applications.  
The AT89LS8252 provides the following standard features: 8K bytes of Downloadable  
Flash, 2K bytes of EEPROM, 256 bytes of RAM, 32 I/O lines, programmable watch-  
dog timer, two Data Pointers, three 16-bit timer/counters, a six-vector two-level inter-  
rupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In  
addition, the AT89LS8252 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 interrupt or hard-  
ware reset.  
The Downloadable Flash can be changed a single byte at a time and is accessible  
through the SPI serial interface. Holding RESET active forces the SPI bus into a serial  
programming interface and allows the program memory to be written to or read from  
unless Lock Bit 2 has been activated.  
0850B-B–12/97  
4-137  
1234567...31

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与AT89LS8252-12AL相关器件

型号 品牌 获取价格 描述 数据表
AT89LS8252-12JC ATMEL

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 		8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12JI ATMEL

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 		8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12JJ MICROCHIP

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 		Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44
AT89LS8252-12JL ATMEL

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 		Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44
AT89LS8252-12JL MICROCHIP

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 		Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44
AT89LS8252-12PC ATMEL

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 		8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12PI ATMEL

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 		8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12PJ ATMEL

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 		暂无描述
AT89LS8252-12PL ATMEL

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 		Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40
AT89LS8252-12PL MICROCHIP

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 		Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDIP40

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