IA186XL/IA188XL
16-Bit Microcontrollers
Data Sheet
July 6, 2011
o Power-save mode
o Direct interface to 80C187 (IA186XL only)
– Compatible mode
o Pin-for-pin replacement for NMOS 80186/80188 non-numeric applications
Integrated feature set
– Static, modular CPU
– Clock generator
– Two independent DMA channels
– Programmable interrupt controller
– Three programmable 16-bit timers
– Dynamic RAM refresh control unit
– Programmable memory and peripheral chip select logic
– Programmable wait state generator
– Local bus controller
– Power-save mode
– System-level testing support (high impedance test mode)
Completely object-code compatible with existing 8086/8088 software and has ten
additional instructions over 8086/8088
Crystal supports internal 20–25 MHz operation
Direct addressing capability to 1 MByte memory and 64 Kbyte I/O
Available in 68-Lead:
– Plastic Leaded Chip Carrier (PLCC)
Available in 80-Lead:
– Plastic Quad Flat Pack (PQFP)
– Low Profile Quad Flat Pack (LQFP)
Extended Temperature Range (-40°C to +85°C)
Chapter 4, Functional Description, provides details of the IA186XL and IA188XL
microcontrollers, including the features listed above.
®
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