lan9420 Standard Microsystems Corp., lan9420 Datasheet - Page 94

• Manufacturer Part Number: lan9420
• Description: Lan9420/lan9420i Single-chip Ethernet Controller With Hp Auto-mdix Support And Pci Interface
• Manufacturer: Standard Microsystems Corp.

Revision 1.1 (03-31-08)
4.2.6
31:30
28:16
BITS
15:0
29
RESERVED
General Purpose Timer Enable (TIMER_EN)
When a one is written to this bit the GPT is put into the run state. When
cleared, the GPT is halted. On the 1-to-0 transition of this bit the
GPT_LOAD field will be preset to FFFFh.
RESERVED
General Purpose Timer Pre-Load (GPT_LOAD)
This value is pre-loaded into the GPT. See
Timer (GPT)," on page 30
General Purpose Timer Configuration Register (GPT_CFG)
This register configures the general purpose timer (GPT). The GPT can be configured to generate
interrupts at intervals defined in this register. Refer to
on page 30
Offset:
for more information on the General Purpose Timer.
for more details.
DESCRIPTION
00D4h
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
DATASHEET
Section 3.3.3, "General Purpose
94
Size:
Section 3.3.3, "General Purpose Timer (GPT),"
32 bits
TYPE
SMSC LAN9420/LAN9420i
R/W
R/W
RO
RO
DEFAULT
FFFFh
Datasheet
0b
-
-