RC82562EP Intel, RC82562EP Datasheet - Page 141
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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Programming Recommendations
8.1
8.1.1
8.1.2
10/100 Mbps Ethernet Controller Family Open Source Software Developer Manual
Adapter Initialization
The initialization code can be broadly split in the following code modules:
The sample source code provides specific coding examples. A list of programming issues to
consider is listed in the following subsections by code module.
8255x Initialization
PHY Detection and Initialization
It is recommended that drivers support the Intel
Semiconductor* DP83840 devices as well as the integrated PHY units of the 82558, 82559, 82550,
and 82551. In addition, a vendor specific routine should be executed immediately after PHY
detection to initialize specific registers in other third party PHYs (for example, the DP83840).
•
•
•
•
•
•
•
8255x initialization
PHY detection and initialization
NOS specific initialization
The device is internally fully reset on power up. However, the adapter and the 8255x are not
fully reset after a warm reboot. Thus, it is recommended that the software issues a Port
Software Reset command before accessing the device.
Note:
The interrupt mask bit (SCB Command word, Mask bit) is set to 0 after a complete reset,
implying that interrupts are enabled. It is software responsibility to ensure that this bit is set to
disable interrupts after a Port command is issued and before polled mode commands are
executed.
If promiscuous mode is enabled, the following Configure command bits are also affected:
It is recommended that all non-transmit action commands are executed in polled mode.
Software should maintain a single list of transmit CBs and modify a CB to a non-transmit CB
when required. The 8255x supports dynamic CU Resume commands on non-transmit
commands; therefore, no checks are required before such a command is issued.
— SAVE BAD FRAMES. This feature should be enabled.
— DISCARD SHORT FRAMES. This feature should be disabled.
— PADDING. This feature should be disabled.
— STRIPPING. This feature should be disabled.
All Port commands cause a complete internal reset requiring software to re-
initialize the device.
®
82503 and 82555 and the National
8
133
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