SBE HW400c/2 User Manual
HighWire HW400c/2 User Reference Guide Rev 1.0
4.2.15 LED Register B (LEDB)
The LED Register B (LEDB) is a Read/Write register. It contains controls for the
eight on-board surface-mount LEDs as well as the optional LAN status LEDs.
eight on-board surface-mount LEDs as well as the optional LAN status LEDs.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Table 44. LED Register B (LEDB) Offset Address 0x14
STLEDD S
1 LEDB0
TLEDC LAN2
LAN1
LAN0 LEDB2 LEDB
y LEDB[1:0] are further explained below in Table 45.
LEDB
[1:0]
L7
STLEDD
LED
E
TLEDC
= 0
Status LED C off
= 1
Status LED C on
AN[2:0]
indicate Port 0 Status
EDB2
ntrolled by register bits STLEDC
EDB[1:0]
= 00
On-Board LEDs indicate Boot Status (default)
= 01
On-Board LEDs indicate LAN Status
On-Board LEDs indicate BCM5388 Ethernet Switch Load
Status
On-Board LEDs indicate BCM5388 Ethernet Switch Load
Status
= 0
Status
D off
= 1
Status L
D D on
S
L
= 000
Status LEDs C and D
= 001
Status LEDs C and D indicate Port 1 Status
Status LEDs C and D indicate Port 2 Status
Status LEDs C and D indicate Port 2 Status
= 010
….
….
= 111
Status LEDs C and D indicate Port 7 Status
L
= 0
Status LEDs C and D co
and STLEDD
Status LEDs C and D indicate LAN Status for port
and STLEDD
Status LEDs C and D indicate LAN Status for port
= 1
defined by LAN[2:0]
L
n-Board LED (L7 – L0) functions determined b
O
Table 45. On-board LED functions as determined by LEDB [1:0]
L6
L5 L4 L3 L2 L1 L0
= 10
= 11
On-Board LEDs controlled by LED Register A
00
M538
DERR
RC_B
RE
INITA
BTST
TST2
ST1
0
BC
LE
8
ZI
OOT
SET
CT
3 B
BT
BTST
01
AN7
LAN
LAN5
LAN4
LAN
L
6
3 LAN2 LAN1 LAN0
10
LOAD7 LOAD6 LOAD5
LOAD4
LOAD3
LOAD2
LOAD1
LOAD0
11
LED
EDA
L
EDA2 LEDA1 LEDA0
A7 L
6 LEDA5
EDA4
LEDA3 L
October 10, 2006
Copyright 2006, SBE, Inc.
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