KSZ8051MLL データシートの表示（PDF） - Micrel
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KSZ8051MLL Datasheet PDF : 51 Pages
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Micrel, Inc.
Pin Description – KSZ8051MLL (Continued)
Pin Number Pin Name
Type(1)
Pin Function
26
NC
-
No connect
KSZ8051MLL
27
RXDV /
Ipd/O
MII Mode:
MII Receive Data Valid Output /
CONFIG2
Config Mode: The pull-up/pull-down value is latched as CONFIG2 at the
de-assertion of reset. See Strapping Options section for details.
28
RXC /
Ipd/O
MII Mode:
MII Receive Clock Output
B-CAST_OFF
Config Mode: The pull-up/pull-down value is latched as B-CAST_OFF at the
de-assertion of reset. See Strapping Options section for details.
29
RXER /
Ipd/O
MII Mode:
MII Receive Error Output /
ISO
Config Mode: The pull-up/pull-down value is latched as ISOLATE at the
de-assertion of reset. See Strapping Options section for details.
30
GND
Gnd
Ground
31
VDD_1.2
P
1.2V core VDD (power supplied by KSZ8051MLL)
Decouple with 0.1uF capacitor to ground, and join with pin 4 by power trace or plane.
32
INTRP /
Ipu/Opu Interrupt Output: Programmable Interrupt Output
NAND_Tree#
This pin has a weak pull-up, is open-drain like, and requires an external 1.0KΩ
pull-up resistor.
Config Mode: The pull-up/pull-down value is latched as NAND Tree# at the
de-assertion of reset. See Strapping Options section for details.
33
TXC
I/O
MII Mode:
MII Transmit Clock Output
MII Back-to-Back Mode: MII Transmit Clock Input
34
TXEN
I
MII Mode:
MII Transmit Enable Input
35
TXD0
I
MII Mode:
MII Transmit Data Input[0](3)
36
TXD1
I
MII Mode:
MII Transmit Data Input[1](3)
37
GND
Gnd
Ground
38
TXD2
I
MII Mode:
MII Transmit Data Input[2](3)
39
TXD3
I
MII Mode:
MII Transmit Data Input[3](3)
40
COL /
Ipd/O
MII Mode:
MII Collision Detect Output /
CONFIG0
Config Mode: The pull-up/pull-down value is latched as CONFIG0 at the
de-assertion of reset. See Strapping Options section for details.
41
CRS /
Ipd/O
MII Mode:
MII Carrier Sense Output /
CONFIG1
Config Mode:
The pull-up/pull-down value is latched as CONFIG1 at the
de-assertion of reset. See Strapping Options section for details.
July 2010
10
M9999-071210-1.0
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