LAN89218AQ_samples SMSC, LAN89218AQ_samples Datasheet - Page 122
LAN89218AQ_samples
Manufacturer Part Number
LAN89218AQ_samples
Description
Ethernet ICs High Perform Chip 10/100 NonPCI Cntrl
Manufacturer
SMSC
Datasheet
1.LAN89218AQ.pdf
(155 pages)
Specifications of LAN89218AQ_samples
Ethernet Connection Type
10BASE-T, 100BASE-TX
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Standard Supported
IEEE802.3, IEEE802.3u
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Maximum Operating Temperature
+ 85 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Revision 1.3 (02-23-10)
5.4.13
31:17
BITS
15:2
16
1
0
Reserved
TX Checksum Offload Engine Enable (TXCOE_EN). This bit enables/disables the Transmit COE.
This bit may only be changed if the TX data path is disabled.
0: The TXCOE is bypassed
1: The TXCOE is enabled
Reserved
RX Checksum Offload Engine Mode (RXCOE_MODE). This register indicates whether the RXCOE
will check for VLAN tags or a SNAP header prior to beginning its checksum calculation. In its default
mode, the calculation will always begin 14 bytes into the frame.
The RXCOE_MODE may only be changed if the RX data path is disabled.
0: Begin checksum calculation after first 14 bytes of Ethernet Frame
1: Begin checksum calculation at start of L3 packet by adjusting for VLAN tags and/or SNAP header.
RX Checksum Offload Engine Enable (RXCOE_EN). This bit enables/disables the Receive COE.
This bit may only be changed if the RX data path is disabled.
0: The RXCOE is bypassed
1: The RXCOE is enabled
Note: When the RXCOE is enabled, automatic pad stripping must be disabled (bit 8 (PADSTR) of the
COE_CR—Checksum Offload Engine Control Register
This register controls the transmit and receive checksum offload engines.
Offset:
Default Value:
MAC_CR—MAC Control
simultaneously.
High Performance Single-Chip 10/100 Ethernet Controller for Automotive Applications
D
00000000h
Register) and vice versa. These functions cannot be enabled
DATASHEET
122
DESCRIPTION
Attribute:
Size:
R/W
32 bits
SMSC LAN89218
Datasheet
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