Embedded Artists LPCXpresso, User Manual

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LPCXpresso Base Board
rev B - User’s Guide
Copyright 2011 © Embedded Artists AB
EA2-USG-1001B Rev B
5 Usage of CPU Pins
The table below gives details about what pins are used for the different peripherals.
Ba
se
bo
ar
d
m
ar
ki
ng
G
en
er
ic
p
in
n
am
es
pi
n
nu
m
be
r
m
be
d
SW
D
JT
AG
U
SB
ET
H
C
AN
U
SB
-to
-
U
AR
T
R
F-
m
od
ul
e
R
S4
22
/
R
S4
85
Jo
ys
tic
k
PB
-S
W
3
PB
-S
W
4
R
ot
ar
y
Sw
itc
h
R
G
B-
LE
D
T
em
p-
se
ns
or
AI
N
-
tri
m
po
t
BN
C
PW
M
-to
-
Ao
ut
PC
A9
53
2
M
M
A7
45
5
24
LC
0
8
Li
gh
t
Se
ns
or
-
IS
L2
90
0
SD
/M
M
C
I/F
7- se
gm
en
t
D
at
af
la
sh
O
LE
D
D
ua
l U
AR
T
PI
O
0.
0
G
PI
O
_0
-R
ES
ET
J4
-4
nR
ES
re
se
t
re
se
t
re
se
t
re
se
t
re
se
t
re
se
t
re
se
t
re
se
t
PI
O
0.
1
G
PI
O
_2
4-
BL
_E
N
J4
-3
8
ca
n_
rx
2
us
e
bl
_e
n
bl
_e
n
PI
O
0.
2
G
PI
O
_4
J4
-8
gp
io
Al
t.2
ss
el
PI
O
0.
3
G
PI
O
_2
5-
VB
U
S
J4
-3
9
ca
n_
tx
2
us
e
us
e
PI
O
0.
4
G
PI
O
_2
7-
SC
L
J4
-4
1
i2
c_
sc
l
sc
l
sc
l
sc
l
sc
l
sc
l
sc
l
PI
O
0.
5
G
PI
O
_2
6-
SD
A
J4
-4
0
i2
c_
sd
a
sd
a
sd
a
sd
a
sd
a
sd
a
sd
a
PI
O
0.
6
G
PI
O
_1
9-
U
SB
_C
O
N
N
J4
-2
3
no
t m
be
d
us
e
PI
O
0.
7
G
PI
O
_7
J4
-1
1
gp
io
ct
s
PI
O
0.
8
G
PI
O
_2
-M
IS
O
J4
-6
sp
i1
-m
is
o
sp
i-m
is
o
sp
i-m
is
o
sp
i-m
is
o
sp
i-m
is
o
sp
i-m
is
o
PI
O
0.
9
G
PI
O
_1
-M
O
SI
J4
-5
sp
i1
-m
os
i(
sw
o)
sp
i-m
os
i
sp
i-m
os
i
sp
i-m
os
i
sp
i-m
os
i
sp
i-m
os
i
PI
O
0.
10
G
PI
O
_2
0
J4
-2
4
sw
cl
k
tc
k
PI
O
0.
11
G
PI
O
_1
1
J4
-1
5
ai
n0
td
i
ai
n
PI
O
1.
0
G
PI
O
_1
2
J4
-1
6
ai
n1
tm
s
Qa
PI
O
1.
1
G
PI
O
_1
3
J4
-1
7
ai
n2
td
o
Qb
PI
O
1.
2
G
PI
O
_1
4
J4
-1
8
ai
n3
/a
ou
t
trs
t
bl
ue
pw
m
-o
ut
PI
O
1.
3
G
PI
O
_1
5
J4
-1
9
ai
n4
sw
di
o
PI
O
1.
4
G
PI
O
_1
6-
W
AK
EU
P
J4
-2
0
ai
n5
w
ak
eu
p
ai
n
PI
O
1.
5
G
PI
O
_1
7
J4
-2
1
no
t m
be
d
rts
Al
t.1
PI
O
1.
6
G
PI
O
_6
-R
XD
J4
-1
0
ua
rt1
-rx
R
XD
R
XD
R
XD
PI
O
1.
7
G
PI
O
_5
-T
XD
J4
-9
ua
rt1
-tx
T
XD
T
XD
T
XD
PI
O
1.
8
G
PI
O
_1
8
J4
-2
2
no
t m
be
d
T
X-
EN
irq
2-
ou
t
PI
O
1.
9
G
PI
O
_2
8
J4
-4
2
pw
m
ou
t0
R
X-
EN
#
re
d
PI
O
1.
10
G
PI
O
_2
9
J4
-4
3
pw
m
ou
t1
gr
ee
n
Vo
le
d-
en
PI
O
1.
11
G
PI
O
_3
0
J4
-4
4
pw
m
ou
t2
le
d1
sp
i-s
se
l
sp
i-s
se
l
sp
i-s
se
l
PI
O
2.
0
G
PI
O
_8
J4
-1
2
gp
io
dt
r
ce
nt
er
PI
O
2.
1
G
PI
O
_9
J4
-1
3
gp
io
le
ft
PI
O
2.
2
G
PI
O
_1
0
J4
-1
4
gp
io
rig
ht
PI
O
2.
3
G
PI
O
_3
1
J4
-4
5
pw
m
ou
t3
up
PI
O
2.
4
G
PI
O
_3
2
J4
-4
6
pw
m
ou
t4
do
w
n
PI
O
2.
5
G
PI
O
_3
3
J4
-4
7
pw
m
ou
t5
le
d2
irq
1-
ou
t
irq
-o
ut
irq
PI
O
2.
6
G
PI
O
_3
4
J4
-4
8
no
t m
be
d
PI
O
2.
7
G
PI
O
_3
5
J4
-4
9
no
t m
be
d
d/
c
PI
O
2.
8
G
PI
O
_3
6
J4
-5
0
no
t m
be
d
sp
i-s
se
l
PI
O
2.
9
G
PI
O
_3
7
J4
-5
1
no
t m
be
d
PI
O
2.
10
G
PI
O
_3
8
J4
-5
2
no
t m
be
d
cd
PI
O
2.
11
G
PI
O
_3
-S
C
K
J4
-7
sp
i1
-s
ck
sp
i-s
ck
sp
i-s
ck
sp
i-s
ck
sp
i-s
ck
sp
i-s
ck
PI
O
3.
0
G
PI
O
_2
1
J4
-2
5
no
t m
be
d
sp
-c
lk
PI
O
3.
1
G
PI
O
_2
2
J4
-2
6
no
t m
be
d
sp
-u
/d
PI
O
3.
2
G
PI
O
_2
3
J4
-2
7
no
t m
be
d
sp
-s
h
PI
O
3.
3
G
PI
O
_3
9
J4
-5
3
no
t m
be
d
m
be
d
m
od
ul
e
"p
ro
bl
em
"
The yellow colored fields signal where there are problems for the mbed module. See chapter 6 for
details about the differences between mbed modules and LPCXpresso Boards .