參數(shù)資料
型號(hào)： KU80L188EC-13
元件分類(lèi)： 16位微控制器
英文描述： 16-Bit Microprocessor
中文描述： 16位微處理器
文件頁(yè)數(shù)： 50/57頁(yè)
文件大?。?/td> 585K
代理商： KU80L188EC-13
80C186EC/188EC, 80L186EC/188EC
80C186EC/80C188EC EXECUTION
TIMINGS
A determination of program execution timing must
consider the bus cycles necessary to prefetch in-
structions as well as the number of execution unit
cycles necessary to execute instructions. The fol-
lowing instruction timings represent the
minimum
execution time in clock cycles for each instruction.
The timings given are based on the following as-
sumptions:
#
The opcode, along with any data or displacement
required for execution of a particular instruction,
has been prefetched and resides in the queue at
the time it is needed.
#
No wait states or bus HOLDs occur.
#
All word-data is located on even-address bound-
aries (80C186EC only).
All jumps and calls include the time required to fetch
the opcode of the next instruction at the destination
address.
All instructions which involve memory accesses can
require one or two additional clocks above the mini-
mum timings shown due to the asynchronous hand-
shake between the bus interface unit (BIU) and exe-
cution unit.
With a 16-bit BIU, the 80C186EC has sufficient bus
performance to ensure that an adequate number of
prefetched bytes will reside in the queue (6 bytes)
most of the time. Therefore, actual program execu-
tion time will not be substantially greater than that
derived from adding the instruction timings shown.
The 80C188EC 8-bit BIU is limited in its performance
relative to the execution unit. A sufficient number of
prefetched bytes may not reside in the prefetch
queue (4 bytes) much of the time. Therefore, actual
program execution time will be substantially greater
than that derived from adding the instruction timings
shown.
50
相關(guān)PDF資料
PDF描述
KU80C186EC13 MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC
KU80C186EC20 MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC
KU80C186EC-25 16-Bit Microprocessor
KU80C188EC13 MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC
KU80C188EC-13 16-Bit Microprocessor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KU80L188EC16 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
KU80L188EC20 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
KU80L188EC25 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
KU81C51SLAH 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Intel 功能描述:
KU8230316 制造商:INTEL 功能描述:SZ198
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