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TS80C51RD2-MLA PDF预览

TS80C51RD2-MLA

更新时间： 2024-11-17 08:18:43
品牌 Logo 应用领域
美国微芯 - MICROCHIP 时钟微控制器光电二极管外围集成电路
页数 文件大小 规格书
86页 987K
描述
Microcontroller, 8-Bit, 40MHz, CMOS, PDIP40, PLASTIC, DIP-40

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TS80C51RD2-MLA 数据手册

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1. Features  
80C52 Compatible  
•
– 8051 pin and instruction compatible  
– Four 8-bit I/O ports  
– Three 16-bit timer/counters  
– 256 bytes scratchpad RAM  
•
High-Speed Architecture  
– 40 MHz @ 5V, 30MHz @ 3V  
– X2 Speed Improvement capability (6 clocks/machine cycle)  
– 30 MHz @ 5V, 20 MHz @ 3V (Equivalent to  
– 60 MHz @ 5V, 40 MHz @ 3V)  
High  
Performance  
8-bit  
•
•
•
•
•
Dual Data Pointer  
On-chip ROM/EPROM (16K-bytes, 32K-bytes, 64K-bytes)  
On-chip eXpanded RAM (XRAM) (256 or 768 bytes)  
Programmable Clock Out and Up/Down Timer/Counter 2  
Programmable Counter Array with  
– High Speed Output,  
Microcontroller  
– Compare / Capture,  
TS80C51RA2  
TS83C51RB2  
TS83C51RC2  
TS83C51RD2  
TS87C51RB2  
TS87C51RC2  
TS87C51RD2  
AT80C51RA2  
AT83C51RB2  
AT83C51RC2  
AT83C51RD2  
AT87C51RB2  
AT87C51RC2  
– Pulse Width Modulator,  
– Watchdog Timer Capabilities  
Hardware Watchdog Timer (One-time enabled with Reset-Out)  
2 extra 8-bit I/O ports available on RD2 with high pin count packages  
Asynchronous port reset  
•
•
•
•
Interrupt Structure with  
– 7 Interrupt sources,  
– 4 level priority interrupt system  
Full duplex Enhanced UART  
•
– Framing error detection  
– Automatic address recognition  
Low EMI (inhibit ALE)  
•
•
Power Control modes  
– Idle mode  
– Power-down mode  
– Power-off Flag  
•
•
•
•
Once mode (On-chip Emulation)  
Power supply: 4.5-5V, 2.7-5.5V  
Temperature ranges: Commercial (0 to 70oC) and Industrial (-40 to 85oC)  
Packages: PDIL40, PLCC44, VQFP44 1.4, PLCC68, VQFP64 1.4  
2. Description  
Atmel TS8xC51Rx2 is a high performance CMOS ROM, OTP, EPROM and ROMless  
versions of the 80C51 CMOS single chip 8-bit microcontroller.  
The TS8xC51Rx2 retains all features of the 80C51 with extended ROM/EPROM  
capacity (16/32/64 Kbytes), 256 bytes of internal RAM, a 7-source , 4-level interrupt  
system, an on-chip oscilator and three timer/counters.  
In addition, the TS80C51Rx2 has a Programmable Counter Array, an XRAM of 256 or  
768 bytes, a Hardware Watchdog Timer, a more versatile serial channel that  
Rev. 4188F–8051–01/08  
1234567...86

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