參數(shù)資料
型號: AX88796
廠商: Electronic Theatre Controls, Inc.
英文描述: 3-in-1 Local Bus Fast Ethernet Controller
中文描述: 3合1本地總線快速以太網(wǎng)控制器
文件頁數(shù): 60/71頁
文件大小: 931K
代理商: AX88796
ASIX ELECTRONICS CORPORATION
60
AX88796 L 3-in-1 Local Bus Fast Ethernet Controller
7.4.6 8051 Bus Access Timing
/PSEN
SA[9:0],CS
/IOWR,/IORD
(For Reference)
RDY
Read Data
SD[7:0](Dout)
Write Data
SD[7:0](Din)
Symbol
Tsu(A)
ADDRESS SETUP TIME
Th(A)
ADDRESS HOLD TIME
Tsu(PSEN)
/PSEN SETUP TIME
Th(PSEN)
/PSEN HOLD TIME
Ten(RD)
OUTPUT ENABLE TIME FROM /IORD
Tdis(RD)
OUTPUT DISABLE TIME FROM /IORD
Tsu(WR)
DATA SETUP TIME
Th(WR)
DATA HOLD TIME
Tw(RW)
/IORD OR /IOWR WIDTH TIME
Tsu(PSEN)
Th(PSEN)
Tsu(A)
Th(A)
Ten(RD)
Tw(RW)
Tv(RDY)
Tdis(RDY)
Tdis(RD)
DATA Valid
Tsu(WR)
Th(WR)
DATA Input Establish
Description
Min
0
5
0
5
-
0.5
5
5
50
Typ.
-
-
-
-
-
-
-
-
Max
-
-
-
-
20
4
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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