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AT89C51AC3_05 PDF预览

AT89C51AC3_05

更新时间： 2024-09-28 08:38:51
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存微控制器
页数 文件大小 规格书
143页 1953K
描述
Enhanced 8-bit Microcontroller with 64KB Flash Memory

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中文翻译

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AT89C51AC3_05 数据手册

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Features  
• 80C51 Core Architecture  
• 256 Bytes of On-chip RAM  
• 2048 Bytes of On-chip ERAM  
• 64K Bytes of On-chip Flash Memory  
– Data Retention: 10 Years at 85°C  
– Read/Write Cycle: 100K  
• Boot Code Section with Independent Lock Bits  
• 2K Bytes of On-chip Flash for Bootloader  
• In-System Programming by On-Chip UART Boot Program and IAP Capability  
• 2K Bytes of On-chip EEPROM  
Read/Write Cycle: 100K  
• Integrated Power Monitor (POR: PFD) To Supervise Internal Power Supply  
• 14-sources 4-level Interrupts  
• Three 16-bit Timers/Counters  
• Full Duplex UART Compatible 80C51  
• High-speed Architecture  
Enhanced 8-bit  
Microcontroller  
with 64KB Flash  
Memory  
– In Standard Mode:  
40 MHz (Vcc 3V to 5.5V, both Internal and external code execution)  
60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)  
– In X2 mode (6 Clocks/machine cycle)  
20 MHz (Vcc 3V to 5.5V, both Internal and external code execution)  
30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)  
• Five Ports: 32 + 4 Digital I/O Lines  
• Five-channel 16-bit PCA with  
AT89C51AC3  
– PWM (8-bit)  
– High-speed Output  
– Timer and Edge Capture  
• Double Data Pointer  
• 21-bit WatchDog Timer (7 Programmable Bits)  
• A 10-bit Resolution Analog to Digital Converter (ADC) with 8 Multiplexed Inputs  
• SPI Interface (PLCC52 and VPFP64 packages only)  
• On-chip Emulation Logic (Enhanced Hook System)  
• Power Saving Modes  
– Idle Mode  
– Power-down Mode  
• Power Supply: 3 volts to 5.5 volts  
• Temperature Range: Industrial (-40° to +85°C)  
• Packages: VQFP44, PLCC44, VQFP64, PLCC52  
Description  
The AT89C51AC3 is a high performance Flash version of the 80C51 single chip 8-bit  
microcontrollers.  
In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.  
Besides the AT89C51AC3 provides 64K Bytes of Flash memory including In-System  
Programming (ISP) and IAP, 2K Bytes Boot Flash Memory, 2K Bytes EEPROM and  
2048 byte ERAM.  
Primary attention is paid to the reduction of the electro-magnetic emission of  
AT89C51AC3.  
Rev. 4383B–8051–01/05  
1234567...143

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