45
www.lairdtech.com
Laird Technologies
BTM520/521
Bluetooth
®
Multimedia Plus Module
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AG
ND
AG
ND
VC
C_
IO
VC
C_
3V
3
VC
C_
IO
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
IO
VC
C_
IO
VC
C_
3V
3
VC
C_
IO
VC
C_
3V
3
VC
C_
3V
3
VC
C_
IO
VC
C_
IO
VC
C_
IO
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VC
C_
3V
3
VD
D_
CO
NN
VC
C_
3V
3
VC
C_
IO
US
B_
DS
R
US
B_
DC
D
US
B_
CT
S
PI
O_
1/
DC
D
M
od
ul
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TX
US
B_
RX
SP
I_
CL
K_
PC
SP
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CS
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C
SP
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M
IS
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PC
SP
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M
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PC
M
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PC
M
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PC
M
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C
M
od
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M
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SE
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M
od
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RX
M
od
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S
PI
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3/
RI
PI
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1/
DC
D
PI
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3/
RI
US
B_
PI
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3/
RI
PI
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2/
DS
R
PI
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5/
DT
R
M
od
ul
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RT
S
PC
M
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LK
PC
M
_O
UT
Mod
ule
_CT
S
PC
M
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YN
C
Mod
ule
_RT
S
SPK
R_A
_N
SPI
_M
OSI
LE
D
EX
T1
LE
D
EX
T0
SPK
R_A
_P
SPK
R_B
_P
PIO
_0/
BT_
ACT
IVE
SPK
R_B
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M
IC
_B
IA
S
AN
T
M
IC
_B
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M
IC
_A
_N
M
IC
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M
IC
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PIO
_7/
RF_
ACT
IVE
USB
_M
OD_
D+
PIO
_6/
WLA
N_A
CT
USB
_M
OD_
D-
RES
ET_
SPI
_M
ISO
SPI
_CS
PI
O_
5/
BT
_S
TA
TE
_B
T_
PR
IO
RI
TY
PI
O_
5/
DT
R
PIO
_2/
DSR
PIO
_3/
RI
PIO
_1/
DCD
SPI
_CL
K
PC
M
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N
Mod
ule
_RX
Mod
ule
_TX
SP
I_
CL
K_
PC
SP
I_
CS
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C
SP
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CS
SP
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CL
K
SP
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M
OS
I_
PC
SP
I_
M
OS
I
SP
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M
IS
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PC
SP
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M
IS
O
AG
ND
LE
D
EX
T1
US
B_
M
OD
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+
LE
D
EX
T0
US
B_
M
OD
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-
US
B_
TX
M
od
ul
e_
RX
M
od
ul
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CT
S
US
B_
RT
S
US
B_
DT
R
FT
DI
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N
FT
DI
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N
FT
DI
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N
FT
DI
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N
US
B_
PW
RE
N
M
IC
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IA
S
SP
KR
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M
IC
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SP
KR
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M
IC
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M
IC
_A
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M
IC
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SP
KR
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SP
KR
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PC
M
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AG
ND
PI
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2/
DS
R
PI
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5/
DT
R
PI
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2/
DS
R
PI
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3/
RI
PI
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1/
DC
D
PI
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5/
DT
R
Ti
tle
Si
ze
Do
cu
m
en
t N
um
be
r
Re
v
Da
te
:
Sh
ee
t
of
BT
VM
D-
R-
00
1-
04
04
M
in
i D
ev
B
oa
rd
-
Co
m
m
s
C
2
3
Fr
id
ay
, O
ct
ob
er
3
1,
2
00
8
Ti
tle
Si
ze
Do
cu
m
en
t N
um
be
r
Re
v
Da
te
:
Sh
ee
t
of
BT
VM
D-
R-
00
1-
04
04
M
in
i D
ev
B
oa
rd
-
Co
m
m
s
C
2
3
Fr
id
ay
, O
ct
ob
er
3
1,
2
00
8
Ti
tle
Si
ze
Do
cu
m
en
t N
um
be
r
Re
v
Da
te
:
Sh
ee
t
of
BT
VM
D-
R-
00
1-
04
04
M
in
i D
ev
B
oa
rd
-
Co
m
m
s
C
2
3
Fr
id
ay
, O
ct
ob
er
3
1,
2
00
8
R5
1
10
K
R5
1
10
K
1
2
D1
HS
M
C-
A1
00
-Q
00
J1
D1
HS
M
C-
A1
00
-Q
00
J1
2
1
R4
1
10
K
R4
1
10
K
1
2
U1
NC
7S
Z1
25
U1
NC
7S
Z1
25
O
E_
1
IN
2
G
N
D
3
O
UT
4
VC
C
5
U4
CO
NN
_S
M
_5
4
U4
CO
NN
_S
M
_5
4
PI
O
_1
5/
DT
R
1
PI
O
_5
/B
T_
ST
AT
E/
BT
_P
RI
O
RI
TY
2
PC
M
_I
N
3
PC
M
_O
UT
4
PC
M
_S
YN
C
5
PC
M
_C
LK
6
VD
D_
US
B
10
VD
D_
IO
11
M
AS
TE
R_
VI
N
12
SPI
_CS
14
SPI
_M
ISO
15
SPI
_CL
K
16
SPI
_M
OSI
17
PIO
_2/
DSR
18
LE
D_
EX
T1
7
LE
D_
EX
T0
8
PIO
_0/
BT_
ACT
IVE
21
GN
D2
22
AU
DIO
_G
ND
23
SPK
R_A
_N
24
SPK
R_A
_P
25
SPK
R_B
_N
26
SPK
R_B
_P
27
M
IC
_B
IA
S
28
BC0
5_R
ST
54
PIO
_6/
WLA
N_A
CTI
VE
53
USB
_D+
46
USB
_D-
45
PIO
_7/
RF_
ACT
IVE
52
GN
D4
47
UAR
T_R
TS
48
UAR
T_C
TS
49
NC4
44
NC5
43
NC6
42
NC1
5
41
NC1
4
40
N
C1
3
39
N
C1
2
38
N
C1
1
37
N
C1
0
36
AN
T
34
N
C9
35
N
C8
33
M
IC
_A
N
_C
32
M
IC
_A
P_
C
31
M
IC
_B
N
_C
30
M
IC
_B
P_
C
29
UAR
T_R
X
51
UAR
T_TX
50
G
N
D1
9
GN
D3
13
PIO
_3/
RI
19
PIO
_1/
DCD
20
R7
1
13
0R
R7
1
13
0R
1
2
R4
7
10
K
R4
7
10
K
1
2
R5
4
0R
R5
4
0R
1
2
R6
5
10
K
R6
5
10
K
1
2
R6
6
0R
R6
6
0R
1
2
JP
4
NF
JP
4
NF
1
2
3
4
5
6
7
8
9
10
R6
3
10
K
R6
3
10
K
1
2
R4
0
10
K
R4
0
10
K
1
2
R5
7
10
K
R5
7
10
K
1
2
R6
8
0R
R6
8
0R
1
2
C1
5
10
0n
C1
5
10
0n
1
2
R5
0
10
K
R5
0
10
K
1
2
C2
1
10
0n
C2
1
10
0n
1
2
R4
3
10
K
R4
3
10
K
1
2
R5
5
10
K
R5
5
10
K
1
2
D2
HS
M
C-
A1
00
-Q
00
J1
D2
HS
M
C-
A1
00
-Q
00
J1
2
1
U2
NC
7S
Z1
25
U2
NC
7S
Z1
25
O
E_
1
IN
2
G
N
D
3
O
UT
4
VC
C
5
R4
6
10
K
R4
6
10
K
1
2
R1
00
1K
5
R1
00
1K
5
1
2
R6
2
10
K
R6
2
10
K
1
2
TP
5
TP
5
1
R6
9
0R
R6
9
0R
1
2
R6
7
0R
R6
7
0R
1
2
JP
3
NF
JP
3
NF
1 3 5
6
4
2
R6
0
10
K
R6
0
10
K
1
2
R5
2
10
K
R5
2
10
K
1
2
C1
9
10
0n
C1
9
10
0n
1
2
R5
9
10
K
R5
9
10
K
1
2
C1
7
10
0n
C1
7
10
0n
1
2
U3
NC
7S
Z1
25
U3
NC
7S
Z1
25
O
E_
1
IN
2
G
N
D
3
O
UT
4
VC
C
5
R4
5
0R
R4
5
0R
1
2
R4
2
10
K
R4
2
10
K
1
2
JP
2
NF
JP
2
NF
1 3 5
6
4
2
JP
1
NF
H
ea
de
r 6
X2
JP
1
NF
H
ea
de
r 6
X2
1
2
3
4
5
6
7
8
9
10
11
12
C1
8
10
0n
C1
8
10
0n
1
2
C1
6
10
0n
C1
6
10
0n
1
2
R5
8
10
K
R5
8
10
K
1
2
U5
74
LC
X2
44
U5
74
LC
X2
44
O
E1
_
1
I0
2
O
4
3
I1
4
O
5
5
I2
6
O
6
7
I3
8
O
7
9
G
N
D
10
I7
11
O
3
12
I6
13
O
2
14
I5
15
O
1
16
I4
17
O
0
18
O
E2
_
19
VC
C
20
R4
4
10
K
R4
4
10
K
1
2
R4
9
0R
R4
9
0R
1
2
R6
4
10
K
R6
4
10
K
1
2
R6
1
10
K
R6
1
10
K
1
2
R5
6
10
K
R5
6
10
K
1
2
J5
HE
AD
ER
1
0
X
1
J5
HE
AD
ER
1
0
X
1
1 2 3 4 5 6 7 8 9 10
C2
0
10
0n
C2
0
10
0n
1
2
R4
8
0R
R4
8
0R
1
2
R5
3
10
K
R5
3
10
K
1
2
TP
6
TP
6
1
R7
0
13
0R
R7
0
13
0R
1
2
MECHANICAL
DRAWINGS