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TSC251G2DXXX-24IA Datasheet(PDF) 1 Page - ATMEL Corporation |
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TSC251G2DXXX-24IA Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 77 page Rev. 4135F–8051–11/06 1 Features • Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+ • Plug-In Replacement of Intel’s 8xC251Sx • C251 Core: Intel’s MCS®251 D-step Compliance • 40-byte Register File • Registers Accessible as Bytes, Words or Dwords • Three-stage Instruction Pipeline • 16-bit Internal Code Fetch • Enriched C51 Instruction Set • 16-bit and 32-bit ALU • Compare and Conditional Jump Instructions • Expanded Set of Move Instructions • Linear Addressing • 1 Kbyte of On-Chip RAM • External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes • TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM – SINGLE PULSE Programming Algorithm • TSC83251G2D: 32 kilobytes of On-Chip Masked ROM • TSC80251G2D: ROMless Version • Four 8-bit Parallel I/O Ports (Ports 0, 1, 2 and 3 of the Standard 80C51) • Serial I/O Port: Full Duplex UART (80C51 Compatible) With Independent Baud Rate Generator • SSLC: Synchronous Serial Link Controller • TWI Multi-master Protocol • μWire and SPI Master and Slave Protocols • Three 16-bit Timers/Counters (Timers 0, 1 and 2 of the Standard 80C51) • EWC: Event and Waveform Controller • Compatible with Intel’s Programmable Counter Array (PCA) • Common 16-bit Timer/Counter Reference with Four Possible Clock Sources (Fosc/4, Fosc/12, Timer 1 and External Input) • Five Modules, Each with Four Programmable Modes: – 16-bit Software Timer/Counter – 16-bit Timer/Counter Capture Input and Software Pulse Measurement – High-speed Output and 16-bit Software Pulse Width Modulation (PWM) – 8-bit Hardware PWM Without Overhead • 16-bit Watchdog Timer/Counter Capability • Secure 14-bit Hardware Watchdog Timer • Power Management • Power-On Reset (Integrated on the Chip) • Power-Off Flag (Cold and Warm Resets) • Software Programmable System Clock • Idle Mode • Power-down Mode • Keyboard Interrupt Interface on Port 1 • Non Maskable Interrupt Input (NMI) • Real-Time Wait States Inputs (WAIT#/AWAIT#) • ONCE Mode and Full Speed Real-time In-circuit Emulation Support (Third Party Vendors) • High Speed Versions: – 4.5V to 5.5V – 16 MHz and 24 MHz • Typical Operating Current: 35 mA at 24 MHz 24 mA at 16 MHz • Typical Power-down Current: 2 μA • Low Voltage Version: – 2.7V to 5.5V –16 MHz 8/16-bit Microcontroller with Serial Communication Interfaces TSC80251G2D TSC83251G2D TSC87251G2D AT80251G2D AT83251G2D AT87251G2D |
Similar Part No. - TSC251G2DXXX-24IA |
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Similar Description - TSC251G2DXXX-24IA |
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