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LAN9250 Datasheet(PDF) 381 Page - Microchip Technology

Part # LAN9250
Description  Integrated Ethernet PHY with HP Auto-MDIX
PDF  421 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9250 Datasheet(HTML) 381 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS00001913A-page 381
LAN9250
15.3.1
GENERAL PURPOSE TIMER CONFIGURATION REGISTER (GPT_CFG)
This read/write register configures the device’s General Purpose Timer (GPT). The GPT can be configured to generate
host interrupts at the interval defined in this register. The current value of the GPT can be monitored via the General
Purpose Timer Count Register (GPT_CNT). Refer to Section 15.1, "General Purpose Timer," on page 380 for additional
information.
Offset:
08Ch
Size:
32 bits
Bits
Description
Type
Default
31:30
RESERVED
RO
-
29
General Purpose Timer Enable (TIMER_EN)
This bit enables the GPT. When set, the GPT enters the run state. When
cleared, the GPT is halted. On the 1 to 0 transition of this bit, the GPT_LOAD
field of this register will be preset to FFFFh.
0: GPT Disabled
1: GPT Enabled
R/W
0b
28:16
RESERVED
RO
-
15:0
General Purpose Timer Pre-Load (GPT_LOAD)
This value is pre-loaded into the GPT. This is the starting value of the GPT.
The timer will begin decrementing from this value when enabled.
R/W
FFFFh



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