lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 137
lan9312
Manufacturer Part Number
lan9312
Description
Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9312.pdf
(458 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lan9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
lan9312-NZW
Manufacturer:
Standard
Quantity:
143
Company:
Part Number:
lan9312-NZW
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 137 of 458
- Download datasheet (6Mb)
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Chapter 10 Serial Management
SMSC LAN9312
10.1
10.2
eeprom_type_strap
eeprom_type_strap
TYPE/MODE
I
EEPROM
2
EEPROM
Microwire
EEPROM
C Master
Master
Mode
Mode
= 1
= 0
This chapter details the LAN9312 serial management functionality of the I
Controller and the supporting EEPROM Loader.
The I
external EEPROM with the system register bus and the EEPROM Loader. Multiple types
(I
and size are accomplished via the eeprom_type_strap and eeprom_size_strap[1:0] configuration straps
respectively. Various commands are supported for each EEPROM type, allowing for the storage and
retrieval of static data. The I
The EEPROM Loader provides the automatic loading of configuration settings from the EEPROM into
the LAN9312 at reset. The EEPROM Loader module interfaces to the EEPROM Controller, Ethernet
PHYs, and the system CSRs.
Based on the configuration strap eeprom_type_strap, the I
either Microwire or I
and characteristics differ dependant on the selected EEPROM type as summarized in
Note: When the EEPROM Loader is running, it has exclusive use of the I
Functional Overview
I
2
2
C/Microwire) and sizes of external EEPROMs are supported. Configuration of the EEPROM type
C/Microwire Master EEPROM Controller
Table 10.1 I
2
EE_SDA
Input enabled
(to I
Open-drain output
(from I
Pull-down disabled
EEDI
Input enabled
(to Microwire master)
Output disabled
Pull-down enabled
C/Microwire EEPROM controller is an I
EE_SDA/EEDI PIN
controller. Refer to
2
C master)
2
C master)
2
C/Microwire Master Serial Management Pins Characteristics
2
C compatible EEPROMs. The I
Section 10.2.4, "EEPROM Loader"
2
C interface conforms to the Philips I
NOT USED
Input enabled
(used for straps)
Output enabled
(driven low)
EEDO
Input enabled
(used for straps)
Output enabled (from
Microwire master)
DATASHEET
EEDO PIN
137
2
C/Microwire master module which interfaces an optional
2
C/Microwire serial management pins functionality
NOT USED
Input enabled
(used for straps)
Output enabled
(driven low)
EECS
Input enabled
(used for straps)
Output enabled (from
Microwire master)
2
EECS PIN
C/Microwire EEPROM controller supports
for more information.
2
C-Bus Specification .
2
2
EE_SCL/EECLK PIN
EE_SCL
Input enabled
(to I
used for straps)
Open-drain output
(from I
EECLK
Input enabled
(used for straps)
Output enabled (from
Microwire master)
C/Microwire EEPROM
C/Microwire EEPROM
Revision 1.2 (04-08-08)
2
C master and
2
C master)
Table
10.1.
Related parts for lan9312
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Interface, Integrated USB2.0 Compatible 3-Port Hub
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Lan91c100fd Rev. B Feast Fast Ethernet Controller With Full Duplex Capability
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Feast ? Ast Ethernet Controller
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Com20022i 10 Mbps Arcnet Ansi 878.1 Controller With 2k X 8 On-chip Ram
Manufacturer:
Standard Microsystems Corp.
Part Number:
Description:
Lpc47n207 Lpc Super I/o Irda Hot Docking Chip With Uart Data Brief
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Advanced I/o With X-bus Interface
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Fdc37m707 Enhanced Super I/o Controller With Wake-up Features
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Twenty Pin Uart Tpuart Corporation
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Enhanced Small Device Interface Controller
Manufacturer:
Standard Microsystems Corp.
Part Number:
Description:
Rpm-based Pwm Fan Controller
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Rpm-based Pwm Fan Controller
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
Emc1001 1.5?c Smbus Temperature Sensor In Miniature Sot-23
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
1 Degree C Triple Temperature Sensor With Beta Compensation And Hotter Of Two Zones
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
1 Degree C Multiple Temperature Sensor With Beta Compensation And Hottest Of Thermal Zones
Manufacturer:
Standard Microsystems Corp.
Datasheet:
Part Number:
Description:
1 Degree C Triple Temperature Sensor With Resistance Error Correction & Hotter Of Two Zones
Manufacturer:
Standard Microsystems Corp.
Datasheet: