參數(shù)資料
型號(hào): 21145
廠商: Intel Corp.
英文描述: Phoneline/Ethernet LAN Controller(電話線/以太網(wǎng)LAN控制器)
中文描述: 電話線/以太網(wǎng)控制器(電話線/以太網(wǎng)局域網(wǎng)控制器)
文件頁數(shù): 43/50頁
文件大?。?/td> 624K
代理商: 21145
21145
Preliminary
Datasheet
37
3.15
Modem Electrical Parameters
This section describes the modem write and read characteristics for the 21145. For more
information about the modem characteristics for the 21145, see the 2
1145 Phoneline/Ethernet LAN
Controller Hardware Reference Manual
.
3.16
Write Access to Modem Chipset
Figure 20
and
Table 35
describe a write access to the modem chipset. For more information about
the sequence for a write access to the modem chipset, see the 2
1145 Phoneline/Ethernet LAN
Controller Hardware Reference Manual
.
Figure 20. Write Access Timing
Table 35. Modem Write Access Timing Values
Symbol
Parameter
Minimum
Unit
T
css
Chip select set-up
15
ns
T
ads
Address set-up
45
ns
T
adh
Address hold
45
ns
W/wh
Write pulse width
100
ns
T
dss
Data set-up
45
ns
T
dh
Data hold
15
ns
T
csh
Chip select hold
15
ns
A6461-01
mdm_chip_sel
mdm_wr
mdm_a
mdm
w/wh
Tcss
Tads
Tdss
Tadh
Tdh
Tcsh
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