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AM186ED

AMD
Part Number AM186ED
Manufacturer AMD
Description 16-Bit Embedded Microcontrollers
Published May 12, 2007
Detailed Description PRELIMINARY Am186TMED/EDLV High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers DISTINCTIV...
Datasheet PDF File AM186ED PDF File

AM186ED
AM186ED

Overview
PRELIMINARY Am186TMED/EDLV High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers DISTINCTIVE CHARACTERISTICS n E86TM family 80C186- and 80C188-compatible microcontroller with enhanced bus interface – Lower system cost with higher performance – 3.
3-V ± 0.
3-V operation (Am186EDLV microcontrollers) n Programmable DRAM Controller – Supports zero-wait-state operation with 50-ns DRAM at 40 MHz, 60-ns @ 33 MHz, 70-ns @ 25 MHz – Includes programmable CAS-before-RAS refresh capability n High performance – 20-, 25-, 33-, and 40-MHz operating frequencies – Zero-wait-state operation at 40 MHz with 70-ns static memory – 1-Mbyte memory address space – 64-Kbyte I/O space n Enhanced features provide improved memory access and remove the requirement for a 2x clock input www.
DataSheet4U.
com – Nonmultiplexed address bus – Processor operates at the clock input frequency – 8-bit or 16-bit programmable bus sizing including 8-bit boot option n Enhanced integrated peripherals – 32 programmable I/O (PIO) pins – Two full-featured asynchronous serial ports allow full-duplex, 7-bit, 8-bit, or 9-bit data transfers – Serial port hardware handshaking with CTS, RTS, ENRX, and RTR selectable for each port – Improved serial port operation enhances 9-bit DMA support – Independent serial port baud rate generators – DMA to and from the serial ports – Watchdog timer can generate NMI or reset – A pulse-width demodulation option – A data strobe, true asynchronous bus interface option included for DEN – Reset configuration register Familiar 80C186 peripherals – Two independent DMA channels – Programmable interrupt controller with up to 8 external and 8 internal interrupts – Three programmable 16-bit timers – Programmable memory and peripheral chip-select logic – Programmable wait state generator – Power-save clock divider Software-compatible with the 80C186 and 80C188 microcontrollers with widely available native development tools, applications, and system software A compatible...


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