EVB9311 SMSC, EVB9311 Datasheet - Page 32

• Manufacturer Part Number: EVB9311
• Description: EVALUATION BOARD LAN9311-NU
• Manufacturer: SMSC
• Series: 0133r

Specifications of EVB9311

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: LAN9311
• Primary Attributes: 2 Ports, 100BASE-TX/10BASE-T, Managed
• Secondary Attributes: 2 PHYs with HP Auto-MDIX, Auto- Flow Control, 32-bit CRC, MDI/MDI-X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1076

Revision 1.7 (06-29-10)
PIN
101
99
Note 3.3
Note 3.4
Note 3.5
EEPROM I
Size Strap 1
Size Strap 0
Serial Clock
Serial Clock
Chip Select
EEPROM
Microwire
EEPROM
EEPROM
Microwire
EEPROM
NAME
The IS buffer type is valid only during the time specified in
Configuration Strap Timing," on page
Configuration strap values are latched on power-on reset or nRST de-assertion.
Configuration strap pins are identified by an underlined symbol name. Refer to
4.2.4, "Configuration Straps," on page 40
The IS buffer type is valid only during the time specified in
Configuration Strap Timing," on page 445
2
C
EEPROM_SIZE_1
EEPROM_SIZE_0
SYMBOL
EE_SCL
EECLK
EECS
Table 3.5 EEPROM Pins (continued)
DATASHEET
BUFFER
IS/OD8
Note 3.5
Note 3.3
TYPE
O8
O8
IS
IS
32
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
EEPROM Microwire Serial Clock (EECLK): In
Microwire EEPROM mode (EEPROM_TYPE = 0),
this pin is the Microwire EEPROM clock output.
EEPROM I
EEPROM mode (EEPROM_TYPE=1), this pin is
the I
Note:
EEPROM Size Strap 1: Configures the high bit of
the EEPROM size range as specified in
10.2, "I2C/Microwire Master EEPROM Controller,"
on page
EEPROMs. See
EEPROM Microwire Chip Select: In Microwire
EEPROM mode (EEPROM_TYPE = 0), this pin is
the Microwire EEPROM chip select output.
Note:
EEPROM Size Strap 0: Configures the low bit of
the EEPROM size range as specified in
10.2, "I2C/Microwire Master EEPROM Controller,"
on page
445.
for more information.
2
and when in I
C EEPROM clock input/open-drain output.
138. This bit is not used for I
138. See
If I
required when using an EEPROM and is
recommended if no EEPROM is attached.
In I
is not used and is driven low.
2
2
C Serial Clock (EE_SCL): In I
2
C is selected, an external pull-up is
C mode (EEPROM_TYPE=1), this pin
Note
DESCRIPTION
2
Note
C mode.
3.4.
3.4.
Section 15.5.2, "Reset and
Section 15.5.2, "Reset and
SMSC LAN9311/LAN9311i
2
C
Section
Section
Datasheet
2
C
Section