w89c940 Winbond Electronics Corp America, w89c940 Datasheet - Page 36

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

Read Transaction
FRAME#
C/BE[3:0]#
PAR
IDSEL#
*address, command, and FRAME# for slave access, IDSEL# for configuration read transaction
AD[31::0]
IRDY#
DEVSEL#
TRDY#
CLK
T10
T11
T12
T13
T14
T15
T1
T2
T3
T4
T5
T6
T7
T8
T9
0
PCI input signal set up time*
PCI input signal hold time*
BE Byte Enable set up time
BE Byte Enable hold time
IRDY# set up time
IRDY# hold time
PAR input setup time
PAR input hold time
DEVSEL# driven time
DEVSEL# hold time
output data hold time
TRDY# driven time
TRDY# hold time
PAR output driven time
PAR output hold time
T1
ADDRESS
BUS CMD
1
T2
T3
T5
T7
INPUT
2
T8
T9
BE#'s
36
3
11
11
18
11
11
11
11
7
7
7
7
0
0
0
0
T12
T13
DATA
T14
T10
19
T11
12
12
12
12
12
12
T4
T6
OUTPUT
T15
13
13
20
13
13
13
13
W89C940
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