Description
The IA186ES/188ES family of microcontrollers replaces obsolete AMDÒ Am186ES/188ES devices, allowing customers to retain existing board designs, software compilers/assemblers, and emulation tools, thereby avoiding expensive redesign efforts.

FEATURES
• Pin-for-Pin compatible with AMDÒ Am186ES/188ES devices
• All features are retained, including:
    • PLL allowing same crystal/system clock frequency
    • 8086/8088 instruction set with additional 186 instruction set extensions
    • Programmable interrupt controller
    • Two DMA channels
    • Three 16-bit timers
    • Programmable chip select logic and wait-state generator
    • Dedicated watch dog timer
    • Two independent asynchronous serial ports (UARTs)
        o DMA capability
        o Hardware flow control
        o 7, 8, or 9-bit data capability
• Pulse Width Demodulator feature
• Up to 32 programmable I/O pins (PIO)
• Pseudo-static/dynamic RAM controller
• Fully static CMOS design
• 40 MHz operation at industrial operating conditions
• +5 VDC power supply
• Available packages:
    o 100-pin Thin Quad Flat Pack (TQFP)
    o 100-pin Plastic Quad Flat Pack (PQFP)