IA186ER/IA188ER
Data Sheet
16-Bit/8-Bit Microcontrollers with RAM
February 25, 2013
2.
Packaging, Pin Descriptions, and Physical Dimensions
Information on the packages and pin descriptions for the IA186ER and the IA188ER is provided
separately. Refer to sections, figures, and tables for information on the device of interest.
Innovasic’s part number for these devices is marked as “18x” to indicate the same device will be
ordered for the 186 and 188 versions of each particular package style (See Section 8). Please
refer to this data sheet for specific use of the pins for the 186 and 188 versions. Please also note
that the data bus width of the IA18xER is selectable between 16-bit (IA186ER) or 8-bit
(IA188ER) upon powerup. For 8-bit operation tie the whb_n pin to ground. Reference pin
descriptions appropriate for the selected strapping option.
2.1
Packages and Pinouts
The Innovasic IA186ER and IA188ER microcontroller is available in the following packages:
100-Pin Low-Profile Quad Flat Package (LQFP), equivalent to original TQFP package
100-Pin Plastic Quad Flat Package (PQFP), equivalent to original PQFP package
IA211110517-02
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