LAN9218-MT-E2 SMSC [SMSC Corporation], LAN9218-MT-E2 Datasheet - Page 15
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LAN9218-MT-E2
Manufacturer Part Number
LAN9218-MT-E2
Description
High-Performance Single- Chip 10/100 Ethernet Controller with HP Auto-MDIX
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN9218-MT-E2.pdf
(130 pages)
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High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX
Datasheet
SMSC LAN9218
53,56-59,62-
71,75,84,90,
SPEED_SEL
21-26,29-
43-46,49-
33,36-40
PIN NO.
12-18
64
92
93
94
72
91
73
74
76
0
1
Host Data High
Host Data Low
Host Address
Read Strobe
Write Strobe
FIFO Select
Chip Select
AutoMDIX
Reserved
Interrupt
Request
Selector
Enable
10/100
NAME
100Mbps
10Mbps
SPEED
SPEED_SEL
AMDIX_EN
FIFO_SEL
Table 2.1 Host Bus Interface Signals
SYMBOL
Reserved
D[31:16]
Table 2.2 Default Ethernet Settings
D[15:0]
A[7:1]
nWR
nRD
nCS
IRQ
DATASHEET
DEFAULT ETHERNET SETTINGS
Half-Duplex
Half-Duplex
I/O8 (PD)
BUFFER
O8/OD8
DUPLEX
TYPE
I (PD)
I (PU)
I/O8
15
IS
IS
IS
IS
IS
PINS
16
16
#
7
1
1
5
1
1
1
1
1
Bi-directional data port.
Note that Pull-down’s are disabled in
32 bit mode.
Bi-directional data port. Supports
Big/Little Endian Byte ordering.
7-bit Address Port. Used to select
Internal CSR’s and TX and RX FIFOs.
Active low strobe to indicate a read
cycle.
Active low strobe to indicate a write
cycle. This signal, qualified with nCS, is
also used to wakeup the LAN9218
when it is in a reduced power state.
Active low signal used to qualify read
and write operations. This signal
qualified with nWR is also used to
wakeup the LAN9218 when it is in a
reduced power state.
Programmable Interrupt request.
Programmable polarity, source and
buffer types.
No Connect
Enables Auto-MDIX. Pull high to
enable Auto-MDIX, pull low or leave
unconnected to disable Auto-MDIX.
This signal functions as a configuration
input on power-up and is used to select
the default Ethernet settings. Upon
deassertion of reset, the value of the
input is latched. This signal functions
as shown in
Ethernet
When driven high all accesses to the
LAN9218 are to the RX or TX Data
FIFOs. In this mode, the A[7:3] upper
address inputs are ignored.
Settings", below.
DESCRIPTION
Table 2.2, "Default
AUTO NEG.
Disabled
Enabled
Revision 1.5 (07-18-06)
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