SMSC LAN9420i Manual De Usuario

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Revision 1.22 (09-25-08)

94

SMSC LAN9420/LAN9420i

This register configures the general purpose timer (GPT). The GPT can be configured to generate
interrupts at intervals defined in this register. Refer to 

 for more information on the General Purpose Timer.

Offset:

00D4h

Size:

32 bits

31:30

RO

-

29

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.

R/W

0b

28:16

RO

-

15:0

General Purpose Timer Pre-Load (GPT_LOAD)
This value is pre-loaded into the GPT. See 

 for more details.

R/W

FFFFh