LAN9420I-NU SMSC, LAN9420I-NU Datasheet - Page 11

• Manufacturer Part Number: LAN9420I-NU
• Description: IC ETHERNET CTRLR SGL 128VTQFP
• Manufacturer: SMSC
• Type: Single Chip MAC and PHY Controllerr

Specifications of LAN9420I-NU

• Controller Type: Ethernet Controller
• Interface: PCI
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 145mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Product: Ethernet Controllers
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 85 C
• Ethernet Connection Type: 10/100 Base-T
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1085

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Chapter 1 Introduction
SMSC LAN9420/LAN9420i
1.1
PCI
LAN9420/LAN9420i
PCI Bridge (PCIB)
Block Diagrams
PCI Master
PCI Target
Controller
Interrupt
PCI Host
(INT)
PCI Bus
Management
Power
(PM)
Figure 1.2 LAN9420/LAN9420i Internal Block Diagram
Arbiter
DMA Controller
System Control &
Status Registers
Status Registers
DMA Control &
Figure 1.1 System Level Block Diagram
(DCSR)
(SCSR)
TX DMA Engine
RX DMA Engine
PCI Device
PCI Device
LAN9420/LAN9420i
EEPROM
Controller
DATASHEET
(EPC)
System Control Block (SCB)
EEPROM
(optional)
11
GPIO/LED
Controller
MAC Interface Layer
(GPIO )
25MHz Crystal
TX FIFO (2KB)
RX FIFO (2KB)
GPIOs/LEDs
(optional)
External
(MIL)
GP Timer
Ethernet MAC
MAC Control & Status
RX COE
TX COE
Registers (MCSR)
Free-Run
Counter
GPIOs/LEDs
Magnetics
EEPROM
(optional)
(optional)
MAC
3.3V to 1.8V
Regulator
To Ethernet
+3.3V
Revision 1.4 (12-17-08)
Ethernet
10/100
PHY
25MHz
PLL
Ethernet