Am186ES

PRELIMINARY Am186TMES/ESLV and Am188TM ES/ESLV High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers DISTINCTIVE CHARACTERISTICS n E86™ family 80C186-/188- and 80L186-/188compatible microcontrollers with enhanced bus interface — Lower system cost with higher performance — 3.3-V ±0.3-V operation (Am186ESLV and Am188ESLV microcontrollers) n High performance — 20-, 25-, 33-, and 40-MHz operating frequencies — Supports zero-wait-state operation at 25 MHz with 100-ns static memory (Am186ESLV and Am188ESLV microcontrollers) and 40 MHz with 70-ns static memory (Am186ES and Am188ES microcontrollers) — 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 — Nonmultiplexed address bus — Processor operates at the clock input frequency — On the Am186ES/ESLV microcontroller, 8-bit or 16-bit memory and I/O static bus option n Enhanced integrated peripherals provide increased functionality, while reducing system cost — Thirty-two 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 — Multidrop 9-bit serial port protocol — 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 ...