ax88196 ASIX Electronics Corporation, ax88196 Datasheet - Page 30

• Manufacturer Part Number: ax88196
• Description: Non-pci 8/16-bit 10/100m Fast Ethernet Mac Controller With Embedded Memory
• Manufacturer: ASIX Electronics Corporation

/PSEN
SA[9:0],SAL,SAH
/IOWR,/IORD
(For Reference)
RDY
Read Data
SD[7:0](Dout)
Write Data
SD[7:0](Din)
Note : 60 ns at internal operation clock 20MHz.
Tsu(A)
Th(A)
Tsu(PSEN)
Th(PSEN)
Ten(RD)
Tdis(RD)
Tsu(WR)
Th(WR)
Tw(RW)
Symbol
6.4.6 8051 Bus Access Timing
50 ns at internal operation clock 25MHz.
AX88196
ADDRESS SETUP TIME
ADDRESS HOLD TIME
/PSEN SETUP TIME
/PSEN HOLD TIME
OUTPUT ENABLE TIME FROM /IORD
OUTPUT DISABLE TIME FROM /IORD
DATA SETUP TIME
DATA HOLD TIME
/IORD OR /IOWR WIDTH TIME
Tsu(PSEN)
Tv(RDY)
Description
Tsu(A)
Ten(RD)
Tsu(WR)
Tw(RW)
Local CPU BUS MAC Controller
30
Tdis(RDY)
Tdis(RD)
DATA Valid
DATA Input Establish
Th(A)
Min
*60
0.5
0
5
0
5
5
5
-
Th(PSEN)
ASIX ELECTRONICS CORPORATION
Typ.
-
-
-
-
-
-
-
-
Th(WR)
Max
20
4
-
-
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns