TSC80251

TSC80251 - B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES

Description

The TSC80251G2D products are derivatives of the Atmel Microcontroller family based on the 8/16-bit C251 Architecture.

This family of products is tailored to 8/16-bit microcontroller applications requiring an increased instruction throughput, a

reduced operating frequency or a larger addressable memory space. The architecture can provide a significant code size

reduction when compiling C programs while fully preserving the legacy of C51 assembly routines.

The TSC80251G2D derivatives are pin and software compatible with standard 80C51/Fx/Rx/Rx+ with extended on-chip

data memory (1 Kbyte RAM) and up to 256 kilobytes of external code and data. Additionally, the TSC83251G2D and

TSC87251G2D provide on-chip code memory: 32 kilobytes ROM and 32 kilobytes EPROM/OTPROM respectively.

They provide transparent enhancements to Intel’s 8xC251Sx family with an additional Synchronous Serial Link Controller

(SSLC supporting TWI, μWire and SPI protocols), a Keyboard interrupt interface, a dedicated Baud Rate Generator for

UART, and Power Management features.

TSC80251G2D derivatives are optimized for speed and for low power consumption on a wide voltage range.

Note: 1. This Datasheet provides the technical description of the TSC80251G2D derivatives. For further information on the device

usage, please request the TSC80251 Programmer’s Guide and the TSC80251G1D Design Guide and errata sheet. 

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