ENC28J60-I/SS Microchip Technology, ENC28J60-I/SS Datasheet - Page 20

• Manufacturer Part Number: ENC28J60-I/SS
• Description: IC ETHERNET CTRLR W/SPI 28SSOP
• Manufacturer: Microchip Technology

Specifications of ENC28J60-I/SS

• Package / Case: 28-SSOP
• Controller Type: Ethernet Controller, MAC/10Base-T
• Interface: SPI
• Voltage - Supply: 3.1 V ~ 3.6 V
• Current - Supply: 160mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Input Voltage Range (max): 2.25 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V
• Supply Current (max): 180 mA
• Package: 28SSOP
• Standard Supported: IEEE 802.3
• Communication Mode: Full Duplex|Half Duplex
• Network Interface: MII|MIIM
• Data Rate: 10 Mbps
• Host Interface: SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ENC28J60
FIGURE 3-2:
DS39662C-page 18
Transmit Buffer Start
(ETXSTH:ETXSTL)
Buffer Write Pointer
(EWRPTH:EWRPTL)
Transmit Buffer End
(ETXNDH:ETXNDL)
Receive Buffer Start
(ERXSTH:ERXSTL)
Buffer Read Pointer
(ERDPTH:ERDPTL)
Receive Buffer End
(ERXNDH:ERXNDL)
ETHERNET BUFFER ORGANIZATION
Preliminary
(Circular FIFO)
Transmit
Receive
Buffer
Buffer
AAh
55h
0000h
1FFFh
Transmit Buffer Data
(WBM AAh)
Receive Buffer Data
(RBM 55h)
© 2008 Microchip Technology Inc.