3.10 General Control (CTL)
Address
Register Offset
CTL 005h
Function
The CTL register is used to control various aspects of the target system.
Diagram
Bits
7 6 5 4 3 2 1 0
R
SWLED AMASK XTEST BBOX LED FAIL
W
CRST
00 0 0 0 ~SW4[5] 0 0
Fields
Field Function
7-6
SWLED
Controls front-panel power-switch LEDs: when CTL.LED is set
5
AMASK
Alarm Mask Mode:
0= ALARM register reads return alarm status (normal).
1= ALARM register reads return the alarm mask.
4
XTEST
This bit directly drives the XTEST signal, typically driving an SMA connector. The function is user-defined.
3
-
Reserved.
2
BBOX
Boot-Box Mode:
0= PASS/FAIL LEDs operate normally.
1= Both PASS and FAIL are off. Software can clear this bit to report completion
of pass/fail testing (both off indicates testing in progress).
1
LED
Software Diagnostic LED Enable:
0= Diagnostic LEDs operate normally.
1= Software can directly control the M7:M0 monitoring LEDs using the LED register.
0 Software Failure Diagnostic LED:
Table continues on the next page...
NXP Semiconductors
Qixis Programming Model
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 4, 07/2020
Reference Manual 64 / 116
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