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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.
AM186ED Datasheet
