LAN9115_05 SMSC [SMSC Corporation], LAN9115_05 Datasheet - Page 21

• Manufacturer Part Number: LAN9115_05
• Description: Highly Efficient Single- Chip 10/100 Non-PCI Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9115
2.1
NO.
PIN
31
OCLK
TYPE
OD12
Management Data
ICLK
OD8
O12
AIO
IO8
AO
O8
PU
PD
IS
AI
I
Note 2.2
Buffer Types
NAME
Clock
The external SMI port is selected when SMI_SEL = 1. When SMI_SEL = 0, MDIO is tri-
stated and MDC is driven low.
Input pin
Schmitt triggered Input
Output with 12mA sink and 12mA source
Open-drain output with 12mA sink
I/O with 8mA symmetrical drive
Open-drain output with 8mA sink
Output 8mA symmetrical drive
30uA internal pull-up
30uA internal pull-down
Analog input
Analog output
Analog bi-directional
Crystal oscillator input pin
Crystal oscillator output pin
Table 2.6 MII Interface Signals (continued)
SYMBOL
MDC
Table 2.7 Buffer Types
DATASHEET
BUFFER
O8 (PD)
TYPE
21
DESCRIPTION
NUM
PINS
1
Management Data Clock: When
SMI_SEL = 1, this pin is the MII
management data clock. When
SMI_SEL=0, this pin is driven low.
See
Note:
Note
See
"HW_CFG—Hardware
Configuration Register"
more information on
SMI_SEL.
2.2.
DESCRIPTION
Section 5.3.9,
Revision 1.1 (05-17-05)
for