- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄365955 > SB80C188EC20 MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC PDF資料下載
參數(shù)資料
| 型號： | SB80C188EC20 |
| 元件分類： | 微處理器 |
| 英文描述： | MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC |
| 中文描述： | 微處理器| 16位|的CMOS | QFP封裝| 100引腳|塑料 |
| 文件頁數(shù)： | 50/57頁 |
| 文件大小： | 585K |
| 代理商： | SB80C188EC20 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁當前第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁
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 |
|---|---|
| SB80C188EC-20 | 16-Bit Microprocessor |
| SB80C188EC-25 | 16-Bit Microprocessor |
| SB80L186EC13 | MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC |
| SB80L186EC-13 | 16-Bit Microprocessor |
| SB80L188EC13 | MICROPROCESSOR|16-BIT|CMOS|QFP|100PIN|PLASTIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SB80C188EC-20 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microprocessor |
| SB80C188EC25 | 功能描述:IC MPU 16-BIT 5V 25MHZ 100-SQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:- 標準包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點:- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤 |
| SB80C188EC-25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16-Bit Microprocessor |
| SB80C188XL12 | 功能描述:IC MPU 16-BIT 5V 12MHZ 80-SQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:- 標準包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點:- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤 |
| SB80C188XL20 | 功能描述:IC MPU 16-BIT 5V 20MHZ 80-SQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:- 標準包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點:- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤 |
發(fā)布緊急采購，3分鐘左右您將得到回復。