lan9311 Standard Microsystems Corp., lan9311 Datasheet - Page 197
lan9311
Manufacturer Part Number
lan9311
Description
Lan9311/lan9311i Two Port 10/100 Managed Ethernet Switch With 16-bit Non-pci Cpu Interface
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9311.pdf
(460 pages)
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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
14.2.3.4
31:10
BITS
9:8
7:0
RESERVED
LED Function 1-0 (LED_FUN[1:0])
These bits control the function associated with each LED pin as shown in
Table 13.1
Note:
LED Enable 7-0 (LED_EN[7:0])
This field toggles the functionality of the GPIO[7:0] pins between GPIO and
LED.
0: Enables the associated pin as a GPIO signal
1: Enables the associated pin as a LED output
LED Configuration Register (LED_CFG)
This read/write register configures the GPIO[7:0] pins as LED[7:0] pins and sets their functionality.
Note 14.2 The default value of this field is determined by the configuration strap LED_fun_strap[1:0].
Note 14.3 The default value of this field is determined by the configuration strap LED_en_strap[7:0].
In order for these assignments to be valid, the particular pin must
be enabled as an LED output pin via the LED_EN[7:0] bits of this
register.
of
Offset:
Section 13.3, "LED Operation," on page
Configuration strap values are latched on power-on reset or nRST de-assertion. Some
configuration straps can be overridden by values from the EEPROM Loader. Refer to
Section 4.2.4, "Configuration Straps," on page 40
Configuration strap values are latched on power-on reset or nRST de-assertion. Some
configuration straps can be overridden by values from the EEPROM Loader. Refer to
Section 4.2.4, "Configuration Straps," on page 40
1BCh
DESCRIPTION
DATASHEET
197
Size:
165.
for more information.
for more information.
32 bits
TYPE
R/W
R/W
RO
Revision 1.2 (04-08-08)
DEFAULT
Note 14.2
Note 14.3
-
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