參數(shù)資料
型號: S80C186XL20
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 20 MHz, MICROPROCESSOR, PQFP80
封裝: EIAJ, QFP-80
文件頁數(shù): 33/48頁
文件大小: 762K
代理商: S80C186XL20
80C186XL80C188XL
EXPLANATION OF THE AC SYMBOLS
Each timing symbol has from 5 to 7 characters The first character is always a ‘T’ (stands for time) The other
characters depending on their positions stand for the name of a signal or the logical status of that signal The
following is a list of all the characters and what they stand for
A
Address
ARY Asynchronous Ready Input
C
Clock Output
CK
Clock Input
CS
Chip Select
CT
Control (DTR DEN
)
D
Data Input
DE
DEN
H
Logic Level High
OUT Input (DRQ0 TIM0
)
L
Logic Level Low or ALE
O
Output
QS
Queue Status (QS1 QS2)
R
RD Signal RESET Signal
S
Status (S0 S1 S2)
SRY Synchronous Ready Input
V
Valid
W
WR Signal
X
No Longer a Valid Logic Level
Z
Float
Examples
TCLAV
Time from Clock low to Address valid
TCHLH
Time from Clock high to ALE high
TCLCSV
Time from Clock low to Chip Select valid
39
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S80C188XL20 16-BIT, 20 MHz, MICROPROCESSOR, PQFP80
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參數(shù)描述
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