R80C188XL-25 查看數據表（PDF） - Intel

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R80C188XL-25

16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS

Intel 

80C186XL 80C188XL

REVISION HISTORY

This data sheet replaces the following data sheets

 272031-002 80C186XL

 270975-002 80C188XL

 272309-001 SB80C186XL

 272310-001 SB80C188XL

ERRATA

An A or B step 80C186XL 80C188XL has the follow-

ing errata The A or B step 80C186XL 80C188XL

can be identified by the presence of an ‘‘A’’ or ‘‘B’’

alpha character respectively next to the FPO num-

ber The FPO number location is shown in Figure 4

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 in-

terrupt timing

The C step 80C186XL 80C188XL has no known er-

rata The C step can be identified by the presence of

a ‘‘C’’ or ‘‘D’’ alpha character next to the FPO num-

ber The FPO number location is shown in Figure 4

PRODUCT IDENTIFICATION

Intel 80C186XL devices are marked with a 9-charac-

ter alphanumeric Intel FPO number underneath the

product number This data sheet (272431-001) is

valid for devices with an ‘‘A’’ ‘‘B’’ ‘‘C’’ or ‘‘D’’ as

the ninth character in the FPO number as illustrated

in Figure 4

48

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