参数资料
型号: DP83848CVVX/NOPB
厂商: National Semiconductor
文件页数: 81/86页
文件大小: 0K
描述: TXRX ETHERNET PHYTER 48LQFP
产品培训模块: PHYTER® Family
标准包装: 1
系列: *
其它名称: DP83848CVVX/NOPBDKR
81
www.national.com
DP
83
84
8
C
8.2.28 Isolation Timing
8.2.29 25 MHz_OUT Timing
Note: 25 MHz_OUT characteristics are dependent upon the X1 input characteristics.
Parameter
Description
Notes
Min
Typ
Max
Units
T2.28.1
From software clear of bit 10 in
the BMCR register to the transi-
tion from Isolate to Normal Mode
100
s
T2.28.2
From Deassertion of S/W or H/W
Reset to transition from Isolate to
Normal mode
500
s
Parameter
Description
Notes
Min
Typ
Max
Units
T2.29.1
25 MHz_OUT High/Low Time
MII mode
20
ns
RMII mode
10
ns
T2.29.2
25 MHz_OUT propagation delay
Relative to X1
8
ns
Clear bit 10 of BMCR
(return to normal operation
from Isolate mode)
H/W or S/W Reset
(with PHYAD = 00000)
MODE
ISOLATE
NORMAL
X1
25 MHz_OUT
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