LAN9115_05 SMSC [SMSC Corporation], LAN9115_05 Datasheet - Page 10
LAN9115_05
Manufacturer Part Number
LAN9115_05
Description
Highly Efficient Single- Chip 10/100 Non-PCI Ethernet Controller
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN9115_05.pdf
(131 pages)
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Revision 1.1 (05-17-05)
Microprocessor/
Microcontroller
System Memory
Embedded
The SMSC LAN9115 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 LAN9115 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 LAN9115 in a typical
embedded environment.
The LAN9115 is a general purpose, platform independent, Ethernet controller. The LAN9115 consists
of four major functional blocks. The four blocks are:
■
■
■
■
10/100 Ethernet PHY
10/100 Ethernet MAC
RX/TX FIFOs
Host Bus Interface (HBI)
Figure 1.1 System Block Diagram Utilizing the SMSC LAN9115
System Bus
DATASHEET
System Memory
LAN9115
25MHz
XTAL
Peripherals
System
10
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
(Optional)
EEPROM
MII
Magnetics
LEDS/GPIO
External
Optional
PHY
Magnetics
Optional
SMSC LAN9115
Ethernet
Datasheet
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