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TSC80251G2D_06 Datasheet, PDF (1/77 Pages) ATMEL Corporation – 8/16-bit Microcontroller with Serial Communication Interfaces | |||
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Features
⢠Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
⢠Plug-In Replacement of Intelâs 8xC251Sx
⢠C251 Core: Intelâs 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
â 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 Intelâs 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:
â 16-bit Software Timer/Counter
â 16-bit Timer/Counter Capture Input and Software Pulse Measurement
â High-speed Output and 16-bit Software Pulse Width Modulation (PWM)
â 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:
â 4.5V to 5.5V
â 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:
â 2.7V to 5.5V
â 16 MHz
8/16-bit
Microcontroller
with Serial
Communication
Interfaces
TSC80251G2D
TSC83251G2D
TSC87251G2D
AT80251G2D
AT83251G2D
AT87251G2D
Rev. 4135Fâ8051â11/06
1
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