Datasheet > 80C186EA

80C186EA

更新时间： 2022-11-26 05:22:07

品牌	Logo	应用领域
英特尔 - INTEL		/
页数	文件大小	规格书
50页	709K
描述
16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS

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80C186EA 数据手册

80C186EA/80C188EA, 80L186EA/80L188EA

REVISION HISTORY

ERRATA

Intel 80C186EA/80L186EA devices are marked with

a 9-character alphanumeric Intel FPO number un-

derneath the product number. This data sheet up-

date is valid for devices with an ‘‘A’’, ‘‘B’’, ‘‘C’’, ‘‘D’’,

or ‘‘E’’ as the ninth character in the FPO number, as

illustrated in Figure 5 for the 68-lead PLCC package,

Figure 6 for the 84-lead QFP (EIAJ) package, and

Figure 7 for the 80-lead SQFP device. Such devices

may also be identified by reading a value of 01H,

02H, 03H from the STEPID register.

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 identi-

fied by noting the presence of an ‘‘A’’, ‘‘B’’, or ‘‘C’’

alpha character, next to the FPO number. The FPO

number location is shown in Figures 5, 6, and 7.

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 consistantly, it is dependent on in-

terrupt timing.

This data sheet replaces the following data sheets:

272019-002Ð80C186EA

272020-002Ð80C188EA

272021-002Ð80L186EA

272022-002Ð80L188EA

272307-001ÐSB80C186EA/SB80L186EA

272308-001ÐSB80C188EA/SB80L188EA

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 Fig-

ures 5, 6, and 7.

1...47 48 4950

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