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AM188EM Folha de dados(PDF) 1 Page - Advanced Micro Devices |
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AM188EM Folha de dados(HTML) 1 Page - Advanced Micro Devices |
1 / 98 page PRELIMINARY This document contains information on a product under development at Advanced Micro Devices. The information is intended to help you evaluate this product. AMD reserves the right to change or discontinue work on this proposed product without notice. Publication# 19168 Rev: E Amendment/0 Issue Date: February 1997 Am186TMEM/EMLV and Am188TMEM/EMLV High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers DISTINCTIVE CHARACTERISTICS n E86TM family 80C186- and 80C188-compatible microcontrollers with enhanced bus interface — Lower system cost with higher performance — 3 .3- V ±.3 -V ope ra tio n (A m1 86E MLV and Am188EMLV microcontrollers) n High performance — 20-, 25-, 33-, and 40-MHz operating frequencies — Supports zero-wait-state operation at 25 MHz with 110-ns static memory (Am186TMEMLV and Am188TMEMLV microcontrollers) and 40 MHz with 70-ns static memory (Am186TMEM and Am188TMEM microcontrollers) — 1-Mbyte memory address space — 64-Kbyte I/O space n New features provide faster access to memory and remove the requirement for a 2x clock input — Nonmultiplexed address bus — Phase-locked loop (PLL) allows processor to operate at the clock input frequency n New integrated peripherals provide increased functionality while reducing system cost — Thirty-two programmable I/O (PIO) pins — Asynchronous serial port allows full-duplex, 7-bit or 8-bit data transfers — Synchronous serial interface allows half-duplex, bidirectional data transfer to and from ASICs — Pseudo static RAM (PSRAM) controller includes auto refresh capability — Reset configuration register n Familiar 80C186/80L186 peripherals — Two independent DMA channels — Programmable interrupt controller with six external interrupts — Three programmable 16-bit timers—timer 1 can be used as a watchdog interrupt timer — Programmable memory and peripheral chip-select logic — Programmable wait state generator — Power-save clock divider n Software-compatible with the 80C186/80C188 and 80L186 /80L188 microcontrollers n Widely available native development tools, applications, and system software n Available in the following packages: — 100-pin, thin quad flat pack (TQFP) — 100-pin, plastic quad flat pack (PQFP) GENERAL DESCRIPTION The Am186TMEM/EMLV and Am188TMEM/EMLV micro- controllers are the ideal upgrade for 80C186/188 and 80L186/188 microcontroller designs requiring 80C186/ 188 and 80L186/188 microcontroller compatibility, in- creased performance, serial communications, and a di- r e c t b u s i n ter f ac e . Th e A m 18 6E M/ EM L V a n d Am188EM/EMLV microcontrollers increase the perfor- mance of existing 80C186/188 and 80L186/188 sys- tems while decreasing their cost. The Am186EM/EMLV and Am188EM/EMLV microcon- trollers are part of the AMD E86 family of embedded mi- crocontrollers and microprocessors based on the x86 architecture. The E86 family includes the 16- and 32-bit mi- crocontrollers and microprocessors described on page 8 The Am186EM/EMLV and Am188EM/EMLV microcon- trollers integrate the functions of the CPU, nonmulti- plexed address bus, timers, chip selects, interrupt controller, DMA controller, PSRAM controller, asynchro- nous serial port, synchronous serial interface, and pro- grammable I/O (PIO) pins on one chip. Compared to the 80C186/188 and 80L186/188 microcontrollers, the Am186EM/EMLV and Am188EM/EMLV microcontrol- lers enable designers to reduce the size, power con- sumption, and cost of embedded systems, while increasing functionality and performance. The Am186EM/EMLV and Am188EM/EMLV microcon- trollers have been designed to meet the most common requirements of embedded products developed for the office automation, mass storage, communications, and general embedded markets. Specific applications in- clude disk drives, hand-held terminals and desktop ter- minals, fax machines, printers, photocopiers, feature phones, cellular phones, PBXs, multiplexers, modems, and industrial controls. |
Nº de peça semelhante - AM188EM |
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Descrição semelhante - AM188EM |
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