lan9215i Standard Microsystems Corp., lan9215i Datasheet - Page 10
lan9215i
Manufacturer Part Number
lan9215i
Description
Lan9215i 16-bit Non-pci 10/100 Ethernet Controller With Hp Auto-mdix And Industrial Temperature Support
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9215I.pdf
(138 pages)
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Revision 2.3 (08-06-08)
1.1
1.2
Microprocessor/
Microcontroller
The SMSC LAN9215i integrated 10/100 MAC/PHY controller is a peripheral chip that performs the
function of translating parallel data from a host controller into Ethernet packets. The LAN9215i Ethernet
MAC/PHY controller is designed and optimized to function in an embedded environment. All
communication is performed with programmed I/O transactions using the simple SRAM-like host
interface bus.
The diagram shown above, describes a typical system configuration of the LAN9215i in a typical
embedded environment.
The LAN9215i is a general purpose, platform independent, Ethernet controller. The LAN9215i consists
of four major functional blocks. The four blocks are:
The LAN9215i is driver-, register-, and footprint-compatible with previous generation LAN9118 Family
devices. Drivers written for these products will work with the LAN9215i. However, in order to support
HP Auto-MDIX, other components such as the magnetics and the passive components around the
magnetics need to change, and supporting these changes does require a minor PCB change. A
reference design for the LAN9215i will be available on SMSC’s website.
Block Diagram
Compatibility with First-generation LAN9118 Family Devices
10/100 Ethernet PHY
10/100 Ethernet MAC
RX/TX FIFOs
Host Bus Interface (HBI)
System Bus
Figure 1.1 System Block Diagram
DATASHEET
System Memory
LAN9215i
16-bit Non-PCI 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support
25MHz
XTAL
Peripherals
System
10
EEPROM
(Optional)
MII
Magnetics
LEDS/GPIO
External
Optional
PHY
Magnetics
Optional
Ethernet
SMSC LAN9215i
Datasheet
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