LSISASX12 LSI, LSISASX12 Datasheet - Page 46
LSISASX12
Manufacturer Part Number
LSISASX12
Description
Manufacturer
LSI
Datasheet
1.LSISASX12.pdf
(268 pages)
Specifications of LSISASX12
Lead Free Status / Rohs Status
Not Compliant
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2.6.1
2-24
GPIO/LED Configuration
The LSISASx12 provides a total of 52 LED and GPIO signals. There are
four GPIO signals (GPIO[3:0]) and 48 LED signals
(LED_ACTIVITY[11:0]/, LED_FAULT[11:0]/, LED_STATUS[11:0]/, and
CABLE_DET[11:0]/). The LED signals are associated with the SAS ports
on the device, but can also be used as GPIO signals. The configuration
manager LED control registers can configure the LED and GPIO signals
for a variety of status functions.
the LSISASx12 GPIO/LED pins.
Each SAS port has four LED signals. Three of these signals are typically
configured to drive LEDs that indicate device activity, fault, and status.
The fourth signal can be configured to provide a cable detect input. The
LSISASx12 also provides four GPIO pins, GPIO[3:0], which are not
associated with a phy. For ease of reference,
functional GPIO and LED signal group with a group number.
Functional Description
Copyright © 2004, 2005 by LSI Logic Corporation. All rights reserved.
Figure 2.4
shows the control structure for
Figure 2.5
associates each
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