w89c940 Winbond Electronics Corp America, w89c940 Datasheet - Page 45

• Manufacturer Part Number: w89c940
• Description: Elanc-pci Twisted-pair Ether-lan Controller With Pci Interface
• Manufacturer: Winbond Electronics Corp America

Remote Write Double Word Access Cycle
CLK
FRAME#
MSA0-13
RCSB
MSRDB
MSWRB
MSD0-7
Remote Read Byte Access Cycle
DEVSEL#
AD[31::0]
IRDY#
TRDY#
C_BE[3:0]#
T10
T11
T1
T2
T3
T4
T5
T6
T7
T8
T9
0
Clock n+5 to MSA, RCSB, and
MSD valid (note 2)
clock n+7 to MSA valid
clock n+6 to MSWRB valid
Write pulse width
clock n+11 to RCSB deasserted
clock n+10 to MSA deasserted
clock n+5 to MSD valid
clock n+7 to MSD deasserted
clock n+9 to MSD deasserted
MSA change to MSWRB
deasserted time
MSA change to MSWRB
deasserted time
ADDRESS
BUS CMD
1
2
3
DATA
T7
BE#'s
n+5 n+6
T1
T3
T10
T4
n+7
T8
T2
n+8
T3
T11
T4
45
n+9
14
17
16
17
14
T9
9
4
7
8
n+10
BE#'s
DATA
T3
T4
n+11
T8
n+12 n+13
T3
12
19
21
13
22
19
14
22
9
T4
T6
T9
n+14
T5
27
24
19
14
17
24
27
26
18
n+15
W89C940
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