lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 38

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (04-08-08)
PIN
67
68
69
70
Note 3.13 The IS buffer type is valid only during the time specified in
Note: Refer to
Input/Output
Serial Clock
Serial Clock
Chip Select
Serial Data
Serial Data
Serial Data
(I
SPI Slave
SPI Slave
SPI Slave
SPI Slave
I
I
2
2
2
Output
NAME
C Slave
Mode)
C Slave
C Slave
Input
regarding the serial management configuration and functionality.
Configuration Strap Timing," on page 390
Section Chapter 8, "Serial Management," on page 101
SYMBOL
nSCS
SDA
SCK
SCL
SO
Table 3.7 Serial Management Pins
SI
DATASHEET
BUFFER
IS/OD8
TYPE
(PU)
(PU)
(PU)
O8
IS
IS
IS
IS
38
SPI Slave Serial Data Input: In SPI slave mode,
this pin is the SPI serial data input.
Note:
I
this pin is the I
Note:
SPI Slave Serial Data Output: In I
slave, and unmanaged modes, this pin is not used
and is driven low.
SPI Slave Chip Select: SPI slave mode chip
select input. When low, the LAN9313/LAN9313i
SPI slave is selected for SPI transfers. When high,
the SPI serial data output (SO) is 3-stated. In I
slave, SMI slave, and unmanaged modes, this pin
is not used.
SPI Slave Serial Clock: In SPI slave mode, this
pin is the SPI clock input.
Note:
I
is the I
Note:
2
2
C Serial Data Input/Output: In I
C Slave Serial Clock: In I
and when in I
2
C clock input.
In SMI slave and unmanaged modes, this
pin is unused and pulled-up internally.
In SMI slave and unmanaged modes, this
pin is unused and pulled-up internally.
In SMI slave and unmanaged modes, this
pin is unused and pulled-up internally.
In SMI slave and unmanaged modes, this
pin is unused and pulled-up internally.
Three Port 10/100 Managed Ethernet Switch with MII
2
C serial data input/output.
DESCRIPTION
2
C mode.
Section 14.5.2, "Reset and
for additional information
2
C slave mode, this pin
SMSC LAN9313/LAN9313i
2
C slave mode,
2
C slave, SMI
Datasheet
2
C