Ehong Technology MB05 Bluetooth Module User Manual EH MB05 Datasheet V2 0x
ShangHai Ehong Technology Co.,Ltd. Bluetooth Module EH MB05 Datasheet V2 0x
Contents
- 1. Users Manual
- 2. User Manual
User Manual
Ehong
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FCC ID
T
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:2ACCRM
B
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ral purpos
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n
smission
s
e
rnal anten
5
0.Embed
d
etooth prof
i
n
g apple’s
a
h
e Apple a
u
I member.
L
p
ple.com/pr
o
lopers dev
e
d
® can gai
n
a
nd certific
a
a
re for peri
p
s may be s
u
o
n
m
ent
s
tics
i
le accesso
a
ke
r
e
devices
P
roduc
t
B
05
X
-
----- Co
m
-
----- Mo
d
u
se Blueto
o
F
platform i
o
nic device
s
t
egration in
t
e time to
m
m
aximum p
e
e
I/O lines,
1
s
peed with
S
na, the im
p
d
ed Blueto
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les, such a
a
uthenticati
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thenticati
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L
icense fee
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o
grams/wh
e
loping ele
c
n
access to
a
tion logos.
p
heral devi
c
u
pported a
n
ries
t
numb
e
X
m
pany Na
m
d
ule Nam
e
o
th module,
n a small f
o
s
with wirel
e
t
o the final
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m
arket of th
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rformance
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1
analogue I
/
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e
p
edance of
t
o
th AT com
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s SPP, A2
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on coproc
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tronic acc
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technical d
o
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e interacti
o
n
d can be o
e
ring
m
e(Ehong
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e
compliant
w
o
rm factor.
e
ss connec
t
p
roduct. Th
e
final appli
c
i
n a minim
a
/
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e
e
active, 20
t
he feed lin
e
m
and firm
w
D
P, AVRC
P
e
ssor.
egister as
d
y
, for additi
o
m
/index.ht
m
e
ssories tha
o
cumentati
o
o
n, power o
rdered pre
-
)
B
w
ith Blueto
o
t
ivity, not re
e EH-MB0
5
c
ation.
a
l space inc
l
e
ral serial i
n
0 kbps with
e
between
t
w
are is a fri
e
P
, HFP, HI
D
d
evelopers,
o
nal inform
a
m
l.
t connect t
o
o
n, hardwa
r
ptimization
,
loaded and
B
luetooth Au
d
o
th v3.0+E
D
quiring an
y
5
module, b
l
uding fast
s
n
terface op
t
h
iAP servic
e
t
he RF port
e
ndly interfa
D
, iAP and
e
to become
a
tion visit:
o
an iPod®,
r
e compon
e
,
security, a
configure
d
d
io Module
D
R. The
y
RF
eing a
s
peed
t
ions, and
e
active.
and the
ce,
e
tc. iAP
an
e
nts,
nd other
d
.
E
hon
g
T
4. El
e
4.1.
Ope
Stor
a
Ope
r
PIO
V
A
IO
V
VDD
RF f
r
4.2.
4.3.
Rati
Stor
a
Ope
r
PIO
V
A
IO
V
VDD
USB
_
Oth
e
Ope
Stan
d
Stan
d
Inqui
Con
n
disa
b
Con
n
sniff(
a
Con
n
Con
n
stre
a
T
echnolo
gy
C
o
e
ctrical
Recom
m
rating Co
n
a
ge Tempe
r
r
ating Tem
p
V
oltage
V
oltage
Voltage
r
equency
Absolut
e
Table
Power
c
ng
a
ge Tempe
r
ating Tem
p
V
oltage
V
oltage
Voltage
_
DP/USB_
e
r Terminal
V
rating Co
n
d
by, withou
t
d
by, with d
e
ry window
t
n
ected (De
b
le, sniff(a)
e
n
ected (De
e
a
) enable)
n
ected with
n
ected with
a
ming (A2D
o
., Ltd
Charac
t
m
end op
e
n
dition
r
ature
p
erature R
a
Tab
e
Maxim
2: Absolut
e
c
onsum
p
rature
p
erature
DN Voltag
e
V
oltages e
x
n
dition
t
deep slee
p
e
ep sleep
t
ime (b)
ep sleep
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nable )
e
p sleep on
data trans
f
audio
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t
eristic
e
ration
c
a
nge
le 1: Reco
m
um Rati
n
e
Maximum
p
tions
e
x
cept RF
Mi
n
p
2.1
0.1
1
-
-
,
-
f
e
r
18
c
onditio
n
m
mended O
p
n
g
Ratin
g
Rec
o
n
Ty
p
1
3
0
2
3
n
s
Min
-40
-40
+1.7
+1.42
+2.7
2400
p
eratin
g
Co
o
mmended
p
ical
-
-
-
3
.3
0
.4
2
0
3
5
B
Typic
a
--
--
+3.3
+1.5
+3.3
2441
nditions
Operatin
g
C
Min
-40
-40
-0.4
-0.4
-0.4
-0.4
-0.4
Max
3.1
0.7
40
-
-
22
40
B
luetooth Au
d
a
l Ma
x
+10
5
+8
5
+3.
6
+1.
5
+3.
6
248
0
C
onditions
Ma
x
+12
5
+8
5
+3.
6
+1.
5
+3.
6
+3.
6
VDD
+
4
d
io Module
x
Uni
t
5
°C
5
°C
6
V
5
7 V
6
V
0
0 MH
z
x
Uni
t
5
°C
5
°C
6
V
5
7 V
6
V
6
V
+
0. V
Unit
mA
mA
mA
mA
mA
mA
mA
t
z
t
E
hon
g
T
Note :
Power
c
(a)
Sniff
m
slave is
unless t
h
time slo
t
time slo
t
(b)
Radio
4.4.
4.4.1.
Supp
l
Input
V
VIL inp
u
VIH inp
Outpu
VOL ou
t
VOH ou
Input
a
Ii input
Ioz tri-s
t
or 0V
With s
t
With s
t
With
w
With
w
CI Inp
u
Resis
t
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e
Rpdw w
e
Rpus st
r
Rpds st
r
4.5.
USB
T
Input
T
T
echnolo
gy
C
o
c
onsumption
m
ode ----- In
in active mo
h
at link is b
e
t
s when a sl
a
t
s. The sniff
a
on(Inquiry )
-
Input/o
u
Digital T
e
l
y Voltag
e
V
oltage Le
v
u
t logic lev
e
ut logic lev
e
t Voltage
L
t
put logic l
e
tput logic l
e
a
nd Tri-sta
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u
t
ate output
t
rong pull-u
t
rong pull-d
o
w
eak pull-u
p
w
eak pull-d
o
u
t Capacita
n
t
ive Streng
e
ak pull-up
e
ak pull-do
w
r
ong pull-u
p
r
ong pull-d
o
USB
T
erminal
s
T
hreshold
o
., Ltd
depends on
Sniff mode,
t
de on an A
C
e
ing treated
a
a
ve is listeni
n
a
nchor poin
t
-
---Search ti
m
u
tput Te
r
e
rminals
e
Levels
v
els
e
l low
e
l high
L
evels
e
vel low, lOL
e
vel high, l
O
te Current
u
rrent at Vin
=
leakage cu
p
o
wn
p
o
wn
n
ce
th
strength a
t
w
n strengt
h
p
strength
a
o
wn strengt
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the firmwar
e
t
he duty cyc
l
C
L logical tra
a
s a scatter
n
n
g are redu
c
t
s are space
d
m
e is 22 sec
o
r
minal C
h
= 4.0mA
O
H = -4.0m
A
=
VDD or 0
V
rrent at Vo
=
t
VDD-0.2V
h
at 0.2V
a
t VDD-0.2
V
h at 0.2V
Tabl
e
used. Typi
c
l
e of the sla
v
nsport, it sh
a
n
et link or is
c
ed, so the
m
d
regularly
w
o
nds
h
aracter
i
0.
6
0.
7
V
=
VDD
V
e 4: Di
g
ital
T
Table 3: P
o
c
al values a
r
v
e’s activity i
n
a
ll listen in e
v
absent due
t
m
aster shall
o
w
ith an interv
i
stics
Min
-0.3
6
25VDD
-
7
5xVDD
-100
-100
-100
10
-5
-0.2
1.0
500k
500k
10k
10k
T
erminal
Min
o
wer consu
m
B
r
e shown in
t
n
the picone
t
v
ery ACL sl
o
t
o hold mod
e
o
nly transmit
al o
f
Tsniff.
Typ
-
-
-
-
0
0
-40
40
-1.0
+1.0
-
-
-
-
-
Typical
m
ptions
B
luetooth Au
d
t
he table.
t
may be re
d
o
t to the mas
e
. With sniff
m
to a slave i
n
Max
+0.25xVD
D
VDD+0.
3
0.125
VDD
100
100
-10
100
-0.2
5.0
5.0
2M
2M
50k
50k
Max
d
io Module
d
uced. If a
ter traffic,
m
ode, the
n
specified
Unit
D
V
3
V
V
V
nA
nA
uA
A
A
A
pF
Uni
t
t
E
hon
g
T
VIL in
p
VIH in
p
Input
GND
<
CI Inp
u
Outp
u
VOL o
u
VOH o
u
(a)
Int
e
4.5.1.
Pa
r
Resol
u
Input
S
Signal
Ratio,
Digital
A
nalo
g
Input
f
Input
f
3dB B
Micro
p
THD+
T
echnolo
gy
C
o
p
ut logic lev
e
p
ut logic lev
Leakage
C
<
VIN < VD
u
t capacita
n
u
t Voltage
L
t
put logic l
e
ut
put logic l
e
e
rnal USB
Internal
C
r
ameter
u
tion
S
ample Ra
t
to Noise
SNR
Gain
g
ue Gain
f
ull scale at
f
ull scale at
andwidth
p
hone mod
e
N
(microph
o
o
., Ltd
e
l low
el high
C
urrent
D(a)
n
ce
L
evels to
C
e
vel low
e
vel high
pull-up di
s
C
ODEC A
n
t
e, Fsample
fin=1kHz
B/W=20
H
A-Weigh
t
THD+N
<
150mV
V
Digital G
a
A
nalogu
e
maximum
g
minimum
g
e
input imp
e
o
ne input)
@
C
orrectly T
e
Ta
b
s
able
n
alogue t
o
Conditi
o
H
z->20kHz
t
ed
<
1%
V
pk-pk
a
in Resolu
t
e
Gain Res
o
g
ain (differ
e
g
ain (differe
e
dance
@
30mv rm
Table 6: An
e
rminated
b
le 5: USB
T
o
Digital
C
o
ns
Fsampl
e
8kHz
11.025k
H
16kH
z
22.050k
H
32kH
z
44.1kH
t
ion = 1/32
d
o
lution = 3
d
e
ntial)
ntial)
s input
alo
g
ue to
D
-
0.7VDD
-1
2.5
USB Cabl
e
0.0
2.8
T
erminal
C
onverter
Mi
n
-
8
e
-
H
z -
z
-
H
z -
z
-
z -
d
B -2
4
d
B -3
-
-
-
-
D
i
g
ital Conv
e
B
-
-
1
-
e
-
-
n
Typ
-
-
82
81
80
79
79
78
4
-
-
4
800
20
6
0.04
e
rter
B
luetooth Au
d
0.3VD
-
5
10.0
0.2
VDD
Max
16
44.1
-
-
-
-
-
-
21.5
42
-
-
-
-
d
io Module
D
V
V
A
pF
V
V
Unit
Bits
kHz
dB
dB
dB
mV
rms
mV
rms
kHz
k
%
E
hon
g
T
4.5.2.
Pa
r
Resol
u
Output
Signal
Ratio,
S
Digital
A
nalo
g
Output
A
llowe
d
THD+
N
THD+
N
SNR (
L
silenc
e
T
echnolo
gy
C
o
Internal
C
r
ameter
u
tion
Sample R
a
to Noise
S
NR
Gain
g
ue Gain
voltage ful
l
d
Load
N
100k lo
a
N
16 load
L
oad=16,
e
)
o
., Ltd
C
ODEC Di
g
a
te, Fsample
fin=1kH
z
B/W=20
A-Weig
h
THD+N
<
0dBFS
s
Load =
1
Digital
G
A
nalog
u
l
swing (dif
f
a
d
0dBFS inp
u
g
ital to A
n
Condit
i
z
Hz->20kH
z
h
ted
<
0.01%
s
ignal
1
00k
G
ain Resol
u
u
e Gain Re
s
f
erential)
u
t relative t
o
Table 7: Di
g
n
alogue C
i
ons
z
Fsampl
8kH
z
11.025
k
16kH
z
22.050
k
32kH
z
44.1k
H
48kH
z
u
tion = 1/32
s
olution = 3
Resistiv
e
Capaciti
v
o
digital
g
ital to Anal
onverte
r
Mi
-
8
e
z
-
k
Hz -
z -
k
Hz -
z -
H
z -
z -
dB -2
4
dB 0
-
e
1
6
v
e -
-
-
-
o
g
ue Conv
e
B
n Typ
-
-
95
95
95
95
95
95
95
4
-
-
750
6
-
-
-
-
95
e
rter
B
luetooth Au
d
Max
16
48
-
-
-
-
-
-
21.5
-21
-
OC
500
0.01
0.1
-
d
io Module
Unit
Bits
kHz
dB
dB
dB
mV
rms
pF
%
%
dB
E
hon
g
T
5. Pi
n
5.1.
Pin
1
2
3
4
5
6
7
8
9
10
11
T
echnolo
gy
C
o
n
out an
d
Pin assi
Symbol
GND
RESET
B
SPI_CL
K
SPI_MIS
O
SPI_MO
S
SPI_CS
B
LED0
PIO3
PCM_OU
T
MIC_RP
MIC_RN
o
., Ltd
d
Termi
n
gnment
l
Groun
d
B
CMO
S
intern
a
K
Input
w
down
O
CMO
S
weak i
S
I CMO
S
intern
a
B
Input
w
up
Open
d
Bi-dir
e
progr
a
intern
a
T
CMO
S
weak i
A
nalo
g
A
nalo
g
n
al Des
c
Figure
I/O Ty
p
d
S
input with
a
l pull-up
w
ith weak i
n
S
output, tri
-
nternal pull
S
input, with
a
l pull-dow
n
w
ith weak i
n
d
rain outpu
ctional wit
h
mmable st
r
a
l pull-up/d
o
S
output, tri
-
nternal pull
g
ue
g
ue
c
ription
1： Pinout
o
p
e
weak
n
ternal pull-
-
state, with
-down
weak
n
n
ternal pull-
t
h
r
ength
o
wn
-
state, with
-down
o
f EH-MB0
5
Ground
A
ctive L
O
so must
RESET
B
Serial P
e
program
Serial P
e
program
Serial P
e
program
Chip sel
e
Interfac
e
low
LED Dri
v
Progra
m
Synchro
n
Microph
o
Microph
o
B
5
Des
c
O
W RESE
T
be low for
>
B
e
ripheral in
t
ming only
e
ripheral In
t
ming only
e
ripheral In
t
ming only
e
ct for Syn
c
e
for progra
m
v
e
r
m
mable inp
u
n
ous Data
O
o
ne input p
o
o
ne input n
e
B
luetooth Au
d
c
ription
T
B, input d
e
>
5ms to ca
u
t
erface clo
c
t
erface out
p
t
erface inp
u
c
hronous S
e
m
ming onl
y
u
t/output lin
e
O
utput
o
sitive, righ
e
gative, rig
h
d
io Module
e
bounced
u
se a
c
k for
p
ut for
u
t for
e
rial
y
, active
e
t
h
t
E
hon
g
T
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
T
echnolo
gy
C
o
PIO0
PIO1
PCM_IN
GND
PCM_SY
N
RF_GN
D
RF_IN
RF_GN
D
PCM_CL
K
AIO0
GND
MIC_LP
MIC_LN
SPK_LN
SPK_LP
SPK_R
N
SPK_R
P
PIO13
VDD
USB_D
P
USB_D
N
GND
PIO9
PIO14
o
., Ltd
Bi-dir
e
progr
a
intern
a
Bi-dir
e
progr
a
intern
a
CMO
S
intern
a
Groun
d
N
C Bi-dir
e
intern
a
D
RF Gr
o
RF
D
RF Gr
o
K
Bi-dir
e
intern
a
Bi-dir
e
Groun
d
Analo
g
A
nalo
g
A
nalo
g
A
nalo
g
N
A
nalo
g
P
Analo
g
Bi-dir
e
progr
a
intern
a
3V3 p
o
P
Bi-dir
e
N
Bi-dir
e
Groun
d
Bi-dir
e
progr
a
intern
a
Bi-dir
e
progr
a
intern
a
ctional wit
h
mmable st
r
a
l pull-up/d
o
ctional wit
h
mmable st
r
a
l pull-up/d
o
S
Input, wit
h
a
l pull-dow
n
d
ctional wit
h
a
l pull-dow
n
o
und
o
und
ctional wit
h
a
l pull-dow
n
ctional
d
g
ue
g
ue
g
ue
g
ue
g
ue
g
ue
ctional wit
h
mmable st
r
a
l pull-up/d
o
o
wer input
ctional
ctional
d
ctional wit
h
mmable st
r
a
l pull-up/d
o
ctional wit
h
mmable st
r
a
l pull-up/d
o
h
r
ength
o
wn
h
r
ength
o
wn
h
weak
n
h
weak
n
h
weak
n
h
r
ength
o
wn
h
r
ength
o
wn
h
r
ength
o
wn
Progra
m
Progra
m
Synchro
n
Ground
Synchro
n
RF grou
n
RF Tran
s
RF grou
n
Synchro
n
A
nalogu
e
Ground
Microph
o
Microph
o
Speaker
Speaker
Speaker
Speaker
Progra
m
3V3 po
w
USB dat
a
1.5K pul
l
USB dat
a
Ground
Progra
m
Progra
m
B
m
mable inp
u
m
mable inp
u
n
ous Data
I
n
ous Data
S
n
d
s
ceiver inp
u
n
d
n
ous Data
C
e
program
m
o
ne input p
o
o
ne input n
e
output ne
g
output pos
output ne
g
output pos
m
mable inp
u
w
er input
a
plus with
l
up resisto
r
a
minus
m
mable inp
u
m
mable inp
u
B
luetooth Au
d
u
t/output lin
e
u
t/output lin
e
I
nput
S
ync
u
t/output lin
C
lock
m
able input
/
o
sitive, left
e
gative, rig
h
g
ative, left
itive, left
g
ative, right
itive, right
u
t/output lin
e
selectable
r
u
t/output lin
e
u
t/output lin
e
d
io Module
e
e
e
/
output line
h
t
e
internal
e
e
E
hon
g
T
36
37
38
39
40
41
42
6. P
h
6.1.
-
Th
e
-
Po
w
-
Ca
p
-
Ca
p
T
echnolo
gy
C
o
PIO4
GND
UART_T
X
UART_R
X
PIO8
PIO7
PIO6
h
ysical I
n
Power
S
e
module D
C
w
er supply
p
p
acitor dec
o
p
acito
r
pre
v
o
., Ltd
Bi-dir
e
progr
a
intern
a
Groun
d
X
Bi-dir
e
tri-stat
e
pull-u
p
X
CMO
S
intern
a
Bi-dir
e
progr
a
intern
a
Bi-dir
e
progr
a
intern
a
Bi-dir
e
progr
a
intern
a
n
terfac
e
S
upply
C
3.3V pow
e
p
in connec
t
o
uples pow
e
v
ents noise
.
ctional wit
h
mmable st
r
a
l pull-up/d
o
d
ctional CM
O
e
, with we
a
p
S
input with
a
l pull-dow
n
ctional wit
h
mmable st
r
a
l pull-up/d
o
ctional wit
h
mmable st
r
a
l pull-up/d
o
ctional wit
h
mmable st
r
a
l pull-up/d
o
Table 8:
P
e
s
e
r input.
t
ion capacit
o
e
r to the ch
coupling b
a
Figure 2：
h
r
ength
o
wn
O
S output,
a
k internal
weak
n
h
r
ength
o
wn
h
r
ength
o
wn
h
r
ength
o
wn
P
IN Termin
a
o
r to chip a
ip
a
ck to pow
e
Power Sup
p
Progra
m
Ground
UART d
a
UART d
a
Progra
m
Progra
m
Progra
m
a
l Descripti
o
nd pin as f
a
e
r plane.
p
l
y
PCB De
s
B
m
mable inp
u
a
ta output
a
ta input
m
mable inp
u
m
mable inp
u
m
mable inp
u
o
n
a
r as possi
b
s
i
g
n
B
luetooth Au
d
u
t/output lin
e
u
t/output lin
e
u
t/output lin
e
u
t/output lin
e
b
le close
d
io Module
e
e
e
e
E
hon
g
T
6.2.
The m
o
charac
t
The R
E
freque
n
RESE
T
5ms.
A
t RES
The pu
l
6.3.
EH-MB
(3.3V).
throug
h
Note:
A
ll PIO
A
ny of
t
modes.
6.4.
EH-MB
functio
n
PIO.
T
echnolo
gy
C
o
Reset
o
dule may
b
t
er or via s
o
E
SETB pin i
n
cy clock o
s
T
B being ac
t
ETB the di
g
l
l-down sta
t
Pin
N
P
P
PIO
05 has a t
o
Their funct
i
h
software t
o
lines are c
o
t
he PIO lin
e
AIO
05 has 2 a
n
n
s can be c
o
o
., Ltd
b
e reset fr
o
o
ftware con
f
s an active
s
cillator. A
R
t
ive. It is re
c
g
ital I/O pin
t
e is shown
N
ame / G
r
USB_DP
USB_DN
UART_RX
UART_TX
SPI_MOSI
SPI_CLK
SPI_CSB
SPI_MISO
RESETB
PIOs
PCM_IN
PCM_CLK
P
CM_SYN
C
P
CM_OUT
o
tal of 11 di
g
i
ons depen
d
o
have eith
e
o
nfigured a
s
e
s can be c
o
n
alogue I/
O
o
nfigured t
o
o
m several
f
igured wat
c
low RESE
T
R
ESETB wi
c
ommende
d
s are set t
o
below.
r
oup
C
Table
9
g
ital progra
m
d
on firmw
a
e
r weak or
s
s
inputs wi
t
o
nfigured a
O
terminals.
o
battery v
o
sources:
R
c
hdog time
r
T
B and is i
n
ll be perfor
m
d
that RES
E
o
inputs for
b
9
: Pin Statu
m
mable I/
O
a
re running
s
trong pull-
h weak pul
l
s interrupt
r
Their funct
i
o
ltage mea
s
R
ESETB pi
n
r
.
n
ternally filt
e
m
ed betwe
e
E
TB be ap
p
b
i-direction
a
Pi
n
s on Reset
O
terminals.
on the dev
i
ups or pull
-
l
-downs at
r
r
equest lin
e
i
ons depen
d
s
urement.
T
B
n
, powe
r
-o
n
e
red using
t
e
n 1.5 and
4
p
lied for a
p
a
l pins and
n
Status o
n
N/
a
N/
a
PD
PU
PD
PD
PU
PD
PU
PD
PD
PD
PD
PD
They are
p
i
ce. PIO lin
e
-
downs.
r
eset.
e
s or as wa
k
d
on softw
a
T
hey can al
s
B
luetooth Au
d
n
reset, a
U
t
he internal
4
.0ms follo
w
p
eriod great
outputs ar
e
n
RESET
B
a
a
p
owered fro
m
e
s can be
c
k
e-up lines
a
re. Typical
l
s
o be used
d
io Module
U
ART brea
k
low
w
ing
e
r than
e
tri-state.
B
m
VDD
c
onfigured
from sleep
l
y ADC
as a digital
k
E
hon
g
T
6.5.
This is
UART
device
s
The U
A
control
6.6.
PIO6,
P
softwa
r
keyboa
resisto
r
T
echnolo
gy
C
o
UART
a standar
d
interface
p
s
using th
e
A
RT CTS
a
where bo
t
I2C Mas
t
P
IO7 and P
r
e to drive t
h
rd scanner
r
s.
Baud Rat
e
Nu
o
., Ltd
d
UART in
p
rovides a
e
RS232 p
a
nd RTS
s
t
h are acti
v
t
e
r
IO8 can be
h
ese lines.
or EEPR
O
Paramet
e
Flow Con
t
Parity
mber of St
o
Bits per B
y
terface fo
r
simple m
e
rotocol.
s
ignals ca
n
v
e low indi
Table 10:
Figure 3:
C
used to fo
r
It is suited
O
M. In the
er
Minimu
Maxim
u
t
rol
o
p Bits
y
te
r
communi
c
e
chanism f
o
n
be used
t
cators.
Possible U
C
onnection
T
r
m a mast
e
only to rel
a
case, PI
O
m
u
m
c
ating wit
h
o
r commu
n
t
o implem
e
ART Settin
g
T
o Host de
v
e
r I2C interf
a
a
tively slow
O
lines nee
d
B
h
other ser
i
n
icating w
i
e
nt RS232
g
s
v
ice
a
ce. The in
t
functions
s
d
to be pul
Possibl
1200 bau
d
9600 bau
d
3M baud
(
RTS/CT
S
None, O
d
1
o
B
luetooth Au
d
i
al device
s
i
th other s
e
hardware
t
erface is f
o
s
uch as dri
v
led up thr
o
e Values
d
(2%Erro
r
d
(1%Erro
r
(
1%Error)
S
or None
d
d or Even
o
r 2
8
d
io Module
s
. The
e
rial
flow
o
rmed usin
g
v
ing a LCD
o
ugh 2.2K
Ω
r
)
r
)
g
,
Ω
E
hon
g
T
6.6.1.
The fig
u
specifi
c
T
echnolo
gy
C
o
Apple iO
S
u
res below
c
MFI co-pr
o
o
., Ltd
Figure 4:
E
S
CP refe
r
give an ind
o
cessor lay
o
E
xample E
E
r
ence des
i
icative ove
r
o
ut is avail
a
Figure 5:
E
PROM Con
i
gn
r
view of wh
a
a
ble for lice
Apple Co-p
nection wit
h
a
t the hard
w
nsed MFI
d
rocessor 2.
0
B
h
I2C Interf
a
w
are conc
e
d
evelopers
f
0
C
B
luetooth Au
d
a
ce
e
pt looks lik
e
f
rom the M
F
d
io Module
e
. A
F
I program.
E
hon
g
T
6.7.
The a
u
Figur
e
recor
d
the D
A
run at
The i
n
descr
i
usag
e
T
echnolo
gy
C
o
Digital
A
u
dio interfa
Stereo au
Dual audi
o
A configu
r
e
2 outlines t
h
d
ing of audi
o
A
C of the c
o
its own ind
n
terface for
i
bed in Tab
l
e
. Table 11
l
o
., Ltd
A
udio In
t
ce circuit c
o
dio codec
o
inputs an
d
r
able PCM,
h
e function
a
o
signals at
o
dec each
c
ependent
s
the digital
a
l
e 11, whic
h
l
ists these
a
Figure 6:
t
erfaces
o
nsists of:
d
outputs
I²S or SP
D
a
l blocks of
multiple s
a
c
ontain 2 in
s
ample rate
Fi
g
u
a
udio bus s
h
h
means ea
a
lternative
f
Apple Co-p
D
IF interfac
e
the interfac
a
mple rates
dependent
.
re 7: Audio
h
a
r
es the s
a
ch of the a
u
f
unctions.
rocessor 2.
0
e
e. The cod
e
with a res
o
channels.
A
Interface
a
me pins a
s
u
dio buses
B
0
B
e
c supports
o
lution of 1
6
A
ny ADC o
r
s
the PCM
c
are mutuall
B
luetooth Au
d
stereo pla
y
6
-bit. The
AD
r
DAC chan
c
odec inter
f
y exclusiv
e
d
io Module
y
back and
D
C and
nel can be
f
ace
e
in their
E
hon
g
T
PC
M
PC
M
PC
M
PC
M
PC
M
T
a
The au
d
single-
e
analog
u
The au
d
6.7.1.
The au
d
recepti
o
Hardw
a
to thre
e
EH-MB
as a P
C
EH-MB
Frame
It supp
o
receive
EH-MB
Qual
c
OKI
M
Moto
r
Moto
r
STW
EH-
M
6.7.2.
The di
g
j
ustifie
d
The I2
S
with th
e
I2S ma
s
T
echnolo
gy
C
o
M
Interface
M
_OUT
M
_IN
M
_SYNC
M
_CLK
a
ble 11: Alt
e
d
io input ci
r
e
nded or fu
u
e and digi
t
d
io output
c
PCM
d
io pulse c
o
o
n of PCM
e
a
re on EH-
M
e
SCO con
n
05 can op
e
C
M interfac
e
05 is comp
Sync and
G
o
rts 13-bit
o
and trans
m
05 interfac
e
c
omm MS
M
M
SM7705 f
o
r
ola MC14
5
r
ola MC14
5
5093 and
5
M
B05 is als
o
Digital A
u
g
ital audio i
n
d
. The inter
f
S
interface
c
e
default fir
m
s
ter. The I
2
o
., Ltd
e
rnative Fu
n
r
cuitry con
s
lly different
t
al progra
m
c
ircuitry co
n
o
de modul
a
e
ncoded a
u
M
B05 allow
n
ections ca
n
e
rate as the
e
slave ac
c
atible with
a
G
CI timing
e
o
r 16-bit lin
e
m
it on any
s
e
s directly
t
M
3000 seri
e
o
ur chann
e
5
481 8-bit
A
5
483 13-bit
5
094 14-bit
o
compatibl
u
dio Inter
f
n
terface su
p
f
ace share
s
c
an be ena
m
ware. Co
n
2
S support
f
SPDIF
SPDIF
_
SPDIF
_
-
-
n
ctions of t
h
s
ists of a d
u
ial and pro
g
m
mable gai
n
n
sists of a
d
a
tion (PCM
)
u
dio data o
v
s the data
t
n
be suppo
PCM inter
f
c
epting ext
e
a
variety of
e
nvironme
n
e
ar, 8-bit u
-
s
election of
t
o PCM au
d
e
s and MS
M
e
l A-law an
d
A
-law and
linear CO
D
linear CO
D
e with the
M
f
ace (I2S)
p
ports the i
s
the same
bled by usi
n
n
tact with
E
f
ollowing f
o
Interface
_
OUT
_
IN
h
e Di
g
ital A
u
al audio in
p
g
rammed f
o
n
stage for
o
d
ual differe
n
)
interface
s
v
er Blueto
o
t
o be sent t
o
rted by the
f
ace maste
e
rnally gen
e
clock form
a
n
ts.
-
law or A-la
w
three of th
e
d
io devices
M
5000 ser
i
d
-law CO
D
-law COD
E
D
EC
D
ECs(8)
M
otorola S
S
ndustry st
a
pins of the
n
g AT+ co
m
E
Hong for s
p
o
rmats:
udio Bus In
p
ut that ca
n
o
r either mi
c
o
ptimizatio
n
n
tial class
A
s
upports c
o
o
th.
o
and recei
PCM inter
f
r generatin
g
e
rated PC
M
a
ts, includi
n
w
compan
d
e
first four
s
including t
h
i
es CDMA
b
D
EC
E
C
S
I interface
a
ndard for
m
PCM interf
a
m
mands. T
h
p
ecial firm
w
B
I²S Interf
a
SD_OUT
SD_IN
WS
SCK
terface on
t
n
be config
u
c
rophone
o
n
of differe
n
A
-B output
s
o
ntinuous tr
a
ved from a
f
ace at any
g
PCM_SY
M
_SYNC an
n
g Long Fr
a
d
ed sample
s
lots followi
h
e followin
g
b
aseband
d
m
ats for I2S,
a
ce as Ta
b
h
e module
i
w
are when
u
B
luetooth Au
d
a
ce
t
he PCM Int
e
u
red to be
e
o
r line input
.
n
t micropho
s
tage.
a
nsmission
SCO conn
one time.
NC and P
C
d PCM_CL
a
me Sync,
formats a
n
ng PCM_S
g
:
d
evices
left-
j
ustifie
b
le 11.
i
s an I2S sl
u
se the mo
d
io Module
e
rface
e
ither
.
It has an
nes.
and
ection. Up
C
M_CLK or
K.
Short
n
d can
YNC.
d or right-
a
ve device
dule as an
E
hon
g
T
Sy
m
-
-
t
c
t
t
o
t
s
t
s
t
i
t
T
echnolo
gy
C
o
m
bol
-
S
-
W
c
h
S
t
cl
S
o
pd
S
s
su
W
s
h
W
su
S
t
ih
S
o
., Ltd
F
S
CK Frequ
W
S Frequ
e
S
CK high ti
S
CK low ti
m
S
CK to SD
_
W
S to SC
K
W
S to SC
K
S
D_IN to S
S
D_IN to S
F
i
g
ure 8: Di
g
Paramet
e
ency
e
ncy
me
m
e
_
OUT del
a
K
set up ti
m
K
hold time
CK set-up
CK hold ti
m
g
ital Audio
e
r
a
y
m
e
time
m
e
Interface M
o
Min
-
-
80
80
-
20
20
20
20
B
o
des
Typic
-
-
-
-
-
-
-
-
-
B
luetooth Au
d
al Max
6.2
96
-
-
20
-
-
-
-
d
io Module
Unit
MHz
kHz
ns
ns
ns
ns
ns
ns
ns
E
hon
g
T
Sy
m
-
-
t
o
t
s
t
i
t
T
echnolo
gy
C
o
m
bol
-
S
-
W
o
pd
S
s
pd
S
su
S
t
ih
S
o
., Ltd
T
a
Fi
gu
S
CK Frequ
W
S Frequ
e
S
CK to SD
_
S
CK to W
S
S
D_IN to S
S
D_IN to S
Tabl
a
ble 12 : Digi
t
u
re 9: Di
g
it
a
Paramet
e
ency
e
ncy
_
OUT del
a
S
delay
CK set-up
CK hold ti
m
e 13: Di
g
ita
t
al Audio Int
e
a
l Audio Int
e
e
r
a
y
time
m
e
l Audio Int
e
e
rface Slave
T
e
rface Slav
e
Min
-
-
-
-
20
10
e
rface Mast
e
B
T
iming
e
Timin
g
Typic
-
-
-
-
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Note:
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7. E
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11. C
o
Sales:
s
Techni
c
Phone:
Fax: +8
Street
a
Note: F
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a
Equi
p
2. To c
o
expo
s
Blue
t
3. This
4. This
con
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(1) T
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in
5.The
h
and
c
guid
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T
echnology C
o
o
ntact Inf
o
s
ales@ehlin
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al support:
s
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ddress: Ro
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a
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mply with
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ure to RF
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device co
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h
is device
m
terference
h
ost end pr
o
c
onditions t
h
e
lines.
o
., Ltd
o
rmation
k.com.cn
s
upport@e
h
69993
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