User's Manual

E
hon
g
T
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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