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Field
Function
3-2
U1IRQ
Manages the uBUS1 IRQ input pin:
00= IRQ pin treated as active-low interrupt input.
01= IRQ pin treated as active-high interrupt input.
10= IRQ pin treated as output, asserted low.
11= IRQ pin treated as output, asserted high.
1-0
U1RST
Manages the uBUS1 RST output pin:
00= RST pin tri-stated.
01= reserved.
10= RST pin treated as output, asserted low.
11= RST pin treated as output, asserted high.
4.46 Board Configuration 6 (BRDCFG6)
Address
Register
Offset
BRDCFG6
056h
Function
The BRDCFG6 register manages uBUS2 connections and status.
Diagram
Bits
7
6
5
4
3
2
1
0
R
U2A
U2I
U2R
U2IRQ
U2RST
W
RRST
X
X
X
0
00
00
Fields
Field
Function
7
U2A
U2A reports the current 3.3V LVTTL level on the AN analog output pin.
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Board Configuration 6 (BRDCFG6)
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
NXP Semiconductors
COMPANY CONFIDENTIAL
97
Содержание QorIQ LS1028A
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