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LAN9117 데이터시트(PDF) 5 Page - Microchip Technology

부품명 LAN9117
부품 상세설명  High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9117 데이터시트(HTML) 5 Page - Microchip Technology

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 2005-2016 Microchip Technology Inc.
DS00002267A-page 5
LAN9117
The Microchip LAN9117 integrated 10/100 MAC/PHY controller is a peripheral chip that performs the function of trans-
lating parallel data from a host controller into Ethernet packets. The LAN9117 Ethernet MAC/PHY controller is designed
and optimized to function in an embedded environment. All communication is performed with programmed I/O transac-
tions using the simple SRAM-like host interface bus.
The diagram shown above, describes a typical system configuration of the LAN9117 in a typical embedded environ-
ment.
The LAN9117 is a general purpose, platform independent, Ethernet controller. The LAN9117 consists of four major func-
tional 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 LAN9117
Embedded
Microprocessor/
Microcontroller
LAN9117
Magnetics
Ethernet
System
Peripherals
System Memory
System Bus
EEPROM
(Optional)
LEDS/GPIO
25MHz
XTAL
System Memory
External
PHY
MII
Magnetics
Optional
Optional


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