EN80C186EA13 Ver la hoja de datos (PDF) - Intel

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EN80C186EA13

16-Bit High-Integration Embedded Processors

Intel 

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17.0

Revision History

Intel 80C186EA/80L186EA devices are marked with a 9-character alphanumeric Intel FPO

number underneath the product number. This data sheet update is valid for devices with an “A”,

“B”, “C”, “D”, or “E” as the ninth character in the FPO number, as illustrated in Figure 3 for the

68-lead PLCC package, and as also illustrated in diagrams of the 84-lead QFP (EIAJ) package in

previous revisions of this datasheet. Such devices may also be identified by reading a value of 01H,

02H, 03H from the STEPID register.

This data sheet replaces the following data sheets:

• 272019-002—80C186EA

• 272020-002—80C188EA

• 272021-002—80L186EA

• 272022-002—80L188EA

• 272307-001—SB80C186EA/SB80L186EA

• 272308-001—SB80C188EA/SB80L188EA

Errata

An 80C186EA/80L186EA with a STEPID value of 01H or 02H has the following known errata. A

device with a STEPID of 01H or 02H can be visually identified by noting the presence of an “A,”

“B”, or “C” alpha character, next to the FPO number. The FPO number location is shown in

Figure 3.

1. An internal condition with the interrupt controller can cause no acknowledge cycle on the

INTA1 line in response to INT1. This errata only occurs when Interrupt 1 is configured in

cascade mode and a higher priority interrupt exists. This errata will not occur consistently, it is

dependent on interrupt timing.

An 80C186EA/80L186EA with a STEPID value of 03H has no known errata. A device with a

STEPID of 03H can be visually identified by noting the presence of a “D” or “E” alpha character

next to the FPO number. The FPO number location is shown in Figure 3.

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