CD2231 Intel Corporation, CD2231 Datasheet - Page 158
CD2231
Manufacturer Part Number
CD2231
Description
CD2231 Intelligent Two-channel Lan And Wan Communications Controller
Manufacturer
Intel Corporation
Datasheet
1.CD2231.pdf
(178 pages)
- Current page: 158 of 178
- Download datasheet (3Mb)
CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
158
1.This timing assumes the following conditions BGACK* high, DTACK* high, DS* high, and BUSCLK high.
Interrupt Acknowledge
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
42
43
44
45
46
47
48
49
50
51
52
53
54
55
61
63
64
65
66
67
Reserved
Reserved
R/W* setup to CLK high
CLK high to data valid
Data setup time to CLK high
Data hold time after CLK high
Address setup time to CLK high
Address hold time after CLK high
CLK high to DTACK* low (read cycle)
CLK high to DTACK* low (write cycle)
(CS* and DS*) low to DATEN*/DATDIR* low
DS* high to DATEN*/DATDIR* tristate
DS* high to data bus tristate
DS* high to DTACK* high-impedance
CLK high to IACKIN*, DS* setup
CLK high to data valid
Address setup to IACKIN* low
Address hold after IACKIN* high
CLK high to DTACK* low
(IACKIN* and DS*) low and BUSCLK high to
DATEN* and DATDIR* low
(Sheet 2 of 2)
Parameter
MIN
15
15
20
5
6
5
0
0
Datasheet
MAX
25
25
25
28
25
25
25
35
25
40
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