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參數(shù)資料
| 型號(hào)： | M80C186EB-13 |
| 廠商： | Intel Corp. |
| 英文描述： | 16-Bit High-Integration Embedded Processor(16位高集成嵌入式處理器) |
| 中文描述： | 16位高性能嵌入式處理器集成（16位高集成嵌入式處理器） |
| 文件頁數(shù)： | 56/56頁 |
| 文件大?。?/td> | 855K |
| 代理商： | M80C186EB-13 |
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M80C186EB
ERRATA
The current stepping (B step) of the M80C186EB
has the following known functional anomaly.
An internal problem with the interrupt controller
may prevent an acknowledge cycle from occur-
ring on the INTA1 line after an interrupt on INT1.
This error only occurs when INT1 is configured in
cascaded mode and a higher priority interrupt ex-
ists.
Problem:
An interrupt acknowledge for INT1 is not generat-
ed on INTA1 in some conditions.
Condition:
Another interrupt of higher priority occurs after
the decision is made to service Interrupt 1, but
before the expected acknowledge cycle on
INTA1.
Configuration:
1. Master mode
2. INT1 is in cascade mode and is enabled.
3. An interrupt of higher priority than INT1 is en-
abled (i.e., DMA, timers, serial ports, INT
lines).
Workaround:
There are only two possible situations that might
cause this problem. These, with their correspond-
ing workarounds are described in the table below.
Condition
Workaround
Use INT0 in cascaded
mode instead, or
make INT1 the highest
priority interrupt.
1. Only INT1 is
configured in cascade
mode and is also a
lower priority than
another interrupt.
2. INT1 and INT0 are
both in cascade mode
and INT1 is of lower
priority than another
interrupt.
Change the priority of
INT1 to the highest
priority of all interrupts.
REVISION HISTORY
The first revision of this data sheet (271214-001) in-
dicated only 8 MHz and 13 MHz availability. The
M80C186EB will also be available in a 16 MHz ver-
sion. The cover and various other locations in the
data sheet reflect the additional product speed offer-
ing.
The following list reflects the changes made be-
tween the -001 version and this -002 version of the
M80C186EB data sheet.
1. Operating Conditions section updated to reflect
16 MHz Input clock frequency limits.
2. DC Specifications section: Added notes regard-
ing untested values: added/changed input leak-
age current and input current symbols and val-
ues; added 16 MHz I
CC
, I
ID
and I
PD
values.
3. AC Specifications section: Added full 16 MHz AC
Characteristics; added note about untested val-
ues and reduced minimum output delays (T
CHOV
and T
CLOV
) for all speeds.
4. Modified Errata section to reflect B-step known
errata (INT1 acknowledge anomaly).
INTEL CORPORATION, 2200 Mission College Blvd., Santa Clara, CA 95052; Tel. (408) 765-8080
INTEL CORPORATION (U.K.) Ltd., Swindon, United Kingdom; Tel. (0793) 696 000
INTEL JAPAN k.k., Ibaraki-ken; Tel. 029747-8511
Printed in U.S.A./M379/1296/2K/HP DM
Military and Special Products
相關(guān)PDF資料 |
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|---|---|
| M80C186EB-16 | 16-Bit High-Integration Embedded Processor(16位高集成嵌入式處理器) |
| M80C186EB-8 | 16-Bit High-Integration Embedded Processor(16位高集成嵌入式處理器) |
| M80C186 | CHMOS HIGH INTEGRATION 16-BIT MICROPROCESSOR |
| M80C186XL10 | 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M80C186EB-16 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
| M80C186EB-8 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
| M80C186XL10 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
| M80C186XL12 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
| M80C186XL16 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR |
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