參數(shù)資料
型號: X68257(中文)
英文描述: EE Micro-Peripheral(多重地址/數(shù)據(jù)總線,高速CMOS,微控制器外圍芯片(256K))
中文描述: 電子工程專輯微周邊(多重地址/數(shù)據(jù)總線,高速的CMOS微控制器外圍芯片(256K))
文件頁數(shù): 6/11頁
文件大?。?/td> 161K
代理商: X68257(中文)
==99-12-16==
P&S
ooá|′μ×ó1é· YóDT1
==11-6==
OPERATION
LAST BYTE
WRITTEN
P &S
oo á|′μ×ó1é· YóDT1
μ :
ot±±ooêD×μèa· 15o
D :
ooêD70020D
óê±à:
430079
μ°:
( 86) ( 027£87493500 87493506
( 86) ( 027) 87491166, 87493497
P &S
í í :
http://www.p8s.com
CE
AS
A/D0 A/D7
A8 A14
E
R/W
AIN
DIN
An
I/O6=X
X68257 READY FOR
NEXT OPERATION
AIN
DOUT
AIN
DOUT
AIN
DOUT
AIN
AIN
ADDR
I/O6=X
I/O6=X
I/O6=X
DOUT
An
An
An
An
í
5
ì×aˉ
E
2. 6 èí têyY±£¤
èí têyY±£¤£¨
SDP
£óóú±£¤è2óáD2áòòaèòò±D′ £aáD′
X68257
£úòD′èμ×ú
°±DóDèy ×úμüá DòáD £
ùóDμD′2ù×÷£°üà¨üá DòáDoíèoêyYD′2ù×÷£±D· oòD′è¨ê±òó £
2éó
SDP
μD′2ù×÷
í
6
±í
3
· o±í
WAVEFORM
í
6
2éóèí têyY±£¤μD′è
WRITE AA
TO 5555
WRITE 55
TO 2AAA
WRITE A0
TO 5555
PERFORM BYTE
OR PAGE WRITE
OPERATIONS
WAIT tWC
EXIT ROUTINE
INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from LOW
to HIGH
Will change
from LOW
to HIGH
May change
from HIGH
to LOW
Will change
from HIGH
to LOW
Don t Care:
Changes
Allowed
N/A
Changing:
State Not
Known
Center Line
is High
Impedance
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參數(shù)描述
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