參數(shù)資料
型號: AX88195P
廠商: ASIX Electronics Corporation
英文描述: 10/100BASE Local CPU Bus Fast Ethernet MAC Controller
中文描述: 一個10/100Base本地CPU總線快速以太網(wǎng)MAC控制器
文件頁數(shù): 27/37頁
文件大?。?/td> 414K
代理商: AX88195P
ASIX ELECTRONICS CORPORATION
27
AX88195 Local CPU Bus Fast Ethernet MAC Controller
6.4.5 68K Type I/O Access Timing
Tsu(A)
Th(A)
SA[9:1],SAL,SAH,SAX
Tv(DS-WR)
Tw(DS)
Tdis(WR-DS)
/UDS,/LDS
(Read)
R/W
Ten(DS)
(Write)
R/W
Tv(DTACK)
Tdis(DTACK)
/DTACK
Tdis(DS)
(Read Data)
SD[15:0](Dout)
DATA Valid
Tsu(DS)
Th(DS)
(Write Data)
SD[15:0](Din)
DATA Input Establish
Symbol
Tsu(A)
Th(A)
Tv(DS-WR)
Tdis(WR-DS)
Tv(DTACK)
Tdis(DTACK) DACK DISABLE FROM /UDS OR /LDS
Ten(DS)
OUTPUT ENABLE TIME FROM /UDS OR /LDS
Tdis(DS)
OUTPUT DISABLE TIME FROM /UDS OR /LDS
Tsu(DS)
DATA SETUP TIME
Th(DS)
DATA HOLD TIME
Tw(DS)
/UDS OR /LDS WIDTH TIME
* Note : for byte access minimum is 90ns, for word access minimum is 50 ns.
Description
Min
0
5
0
5
-
0
-
0.5
5
5
*90
Typ.
-
-
-
-
-
-
-
-
-
-
Max
-
-
-
-
20
-
20
4
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ADDRESS SETUP TIME
ADDRESS HOLD TIME
/UDS OR /LDS VALID FROM /W
/W DISABLE FROM /UDS OR /LDS
DACK VALID FROM /UDS OR /LDS
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