w89c940 Winbond Electronics Corp America, w89c940 Datasheet - Page 42

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

Remote Read Double Word Access Cycle
CLK
Remote Write Byte Access Cycle
FRAME#
AD[31::0]
C_BE#[3:0]
TRDY#
DEVSEL#
MSD0-7
IRDY#
MSRDB
RCSB
MSWRB
MSA0-13
(Read)
T4
T5
T6
T7
T8
T1
T2
T3
T4
T5
T6
T7
T8
clock n+4 to MSRDB valid
clock n+7 to MSRDB deasserted time
MSD setup tim to clock n+6
MSD hold time from clock n+6
MSD hold time from clock n+8
clock n+4 to RCSB and MSA valid (note
2)
clock n+6 to MSA valid
clock n+7 to RCSB deasserted time
clock n+4 to MSRDB valid
clock n+7 to MSRDB deasserted time
MSD setup tim to clock n+6
MSD hold time from clock n+6
MSD hold time from clock n+8
0
ADDRESS
BUS CMD
1
2
3
n+4
T1
T4
n+5
T6
n+6
T7
T2
42
BE#'s
n+7
T6
15
10
15
22
20
25
22
7
0
7
0
n+8
T8
T7
n+9
T6
n+10 n+11 n+12
20
T2
15
20
27
25
28
27
T7
T6
T8
T7
25
25
30
30
30
30
W89C940
20
n+13
T3
T5
DATA
n+14
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec