Description

Atmel TS87C51RC2-MCA is a high performance CMOS microcontroller. It is compatible with the 80C51 CMOS single chip 8-bit microcontroller. The microcontroller features four 8-bit I/O ports, three 16-bit timer/counters, and 256 bytes of scratchpad RAM. It has a high-speed architecture with a clock frequency of 40 MHz @ 5V and 30MHz @ 3V. The microcontroller also has a dual data pointer, on-chip ROM/EPROM, and on-chip expanded RAM. It supports various programmable features such as clock output, up/down timer/counter, and a programmable counter array. It has a hardware watchdog timer and supports interrupt structures with 7 interrupt sources and a 4 level priority interrupt system. The microcontroller is equipped with a full duplex enhanced UART and has low EMI capabilities. It operates at a power supply of 4.5-5V or 2.7-5.5V and is available in various packages.

Specifications and features

• 80C52 Compatible
• Four 8-bit I/O ports
• Three 16-bit timer/counters
• 256 bytes scratchpad RAM
• High-Speed Architecture with 40 MHz @ 5V and 30MHz @ 3V
• Dual Data Pointer
• On-chip ROM/EPROM
• On-chip eXpanded RAM (XRAM)
• Programmable Clock Out and Up/Down Timer/Counter 2
• Programmable Counter Array with high speed output, compare/capture, pulse width modulator, and watchdog timer capabilities
• Hardware Watchdog Timer
• 2 extra 8-bit I/O ports available on RD2 with high pin count packages
• Asynchronous port reset
• Interrupt Structure with 7 Interrupt sources and a 4 level priority interrupt system
• Full duplex Enhanced UART
• Low EMI capabilities (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 85°C)
• Packages: PDIL40, PLCC44, VQFP44 1.4, PLCC68, VQFP64 1.4

Application Scenarios

The Atmel TS87C51RC2-MCA microcontroller is commonly used in applications that require high performance and versatility. It is suitable for a wide range of applications including industrial automation, consumer electronics, automotive systems, and communication devices. Its features such as multiple I/O ports, timers/counters, and interrupt systems make it ideal for controlling and monitoring various processes and systems.

Comparison

• High performance with a clock frequency of up to 40 MHz
• Compatible with the 80C51 CMOS single chip 8-bit microcontroller
• Supports multiple I/O ports and timers/counters
• On-chip ROM/EPROM and expanded RAM
• Programmable features such as clock output and up/down timer/counter
• Hardware watchdog timer and interrupt system
• Low EMI capabilities

• Requires a power supply of 4.5-5V or 2.7-5.5V
• Available in limited packages