RC82562EP Intel, RC82562EP Datasheet - Page 36
RC82562EP
Manufacturer Part Number
RC82562EP
Description
IC ETH 10/100 PLC DEV CTRL 64BGA
Manufacturer
Intel
Specifications of RC82562EP
Rohs Status
RoHS non-compliant
Controller Type
Ethernet Controller
Interface
IEEE 802.3
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
64-BGA
Current - Supply
-
Operating Temperature
-
Other names
832361
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Host Software Interface
28
Figure 8. 8255x Memory Architecture
Intel 8255x 10/100 Mbps Ethernet Controller Family Open Source Software Developer Manual
The CBL consists of a linked list of individual action commands in structures called Command
Blocks (CBs). The CBs contain command parameters and status of the action commands. Action
commands are categorized as follows:
The Receive Frame Area (RFA) consists of a list of Receive Frame Descriptors (RFDs) and a list of
user-prepared or NOS provided buffers. The receive architecture supports the simplified memory
model similar to the way it is supported by the transmit command. In the simplified memory
model, the data buffer immediately follows the RFD. The receive structures format and receive
code flow is described in
Performance Improvements (82558 and
The LAN controller also provides read and write access to an external EEPROM and the
Management Data Interface (MDI) registers. This is achieved through the EEPROM Control
Register and the MDI Control Register, respectively. These registers occupy offsets 0Ch through
14h of the CSR.
•
•
Non-transmit (non-Tx) commands: This category includes commands such as no operation
(NOP), Configure, IA Setup, Multicast Setup, Dump and Diagnose.
Transmit (Tx) command: This includes Transmit Command Blocks (TxCB).
System Control
Block (SCB)
Section 6.4.3.1, “Receive Frame Area”
Command Block List (System Memory)
Receive Frame Area (System Memory)
10/100 Mbps Device (8255x) Registers
Frame Descriptor
Buffer Descriptor
Control Block
Receive Data
Buffer
82559)”.
Frame Descriptor
Buffer Descriptor
Control Block
Receive Data
Buffer
and
Section 6.4.3.4, “No Buffer
Frame Descriptor
Buffer Descriptor
Control Block
Receive Data
Buffer
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