Rev. 1.30
11 of 34
November 13, 2020
e-Link32/e-Link32 Pro User’s Guide
1 Overview
1 Overview
PA0
1
PA1
2
PA2
3
PA3
4
PA4
5
PA5
6
PA6
7
PA7
8
VDD3
3_
1
9
V
SS3
3_
1
10
LDOOUT
13
LDOIN
14
VSSLDO
15
nRST
16
VBAT
17
PC13_XTAL32KIN
18
PC14_XTAL32KOUT
19
PC15_RTCOUT
20
PB14_XTALIN
21
PB15_XTALOUT
22
PD1/VDD33_2
23
PD2VSS33_2
24
PB
12
/U
SB
D
M
11
PB
13
/U
SB
D
P
12
PA8
_B
OOT
0
25
PA9
_B
OOT
1
26
PA
10
27
TR
AC
ES
W
O_
PA
11
28
SW
CL
K
_P
A
12
29
SW
DI
O_
PA1
3
30
PA
14
31
PA
15
32
VDD3
3_
3
35
V
SS3
3_
3
36
PB0
33
PB1
34
PB2
37
PB3
38
PB4
39
PB5
40
PB6
41
PB7
42
PB8
43
PB9
44
PB10
45
PB11
46
VDDA
47
VSSA
48
H
T32
F16
5x
U1
H
T3
2F1
65
4_
LQ
FP
48
1
2
3
4
5
6
7
8
9
10
J2
SW
D
-10
P
VDD_
elin
k3
2
GN
D
W_
RS
T
W_
SWD
IO
W_
SWC
LK
1 2 3 4 5
J3
IC
E S
WD
SWC
LK
SWD
IO
1
R1
3
47
0
GN
D
GN
D
SWD
IO
SWC
LK
D
C5
V
5V
D-
D+
ID
G
1
2
3
4
5
6
7
8
9
J1
U
SB
M
IN
I B
Eart
h_
2
Eart
h_
2
GN
D
GN
D
1
C1
0.
1uF
1
C1
6
47
pF
1
C1
5
47
pF
GN
D
U
SB
D
M
_e
lin
k
US
BDP
_eli
nk
C8
10
uF
XTALIN
XTALOUT
GN
D
LED1
LED2
LED3
W_RST
W_
SWD
IO
W_
SWC
LK
U
SB
D
M
_e
lin
k
US
BDP
_eli
nk
D
IR1
D
IR2
MO
SI
M
ISO
SC
K
DIR1
DIR2
MO
SI
M
ISO
SC
K
nRST_CTRL
GN
D
W_
RS
T
Fl
ash
_C
S
Fl
ash
_M
IS
O
Fl
ash
_M
O
SI
Fl
ash
_SC
K
VDD_
elin
k3
2
VDD_
elin
k3
2
VDD_
elin
k3
2
VDD_
elin
k3
2
V
D
D
_T
arg
etB
oa
rd
VDD_
elin
k3
2
VDD_
elin
k3
2
VDD_
elin
k3
2
1
C1
4
10
uF
1
C1
9
10
uF
PA9
_B
OOT
1
UR1_TX
UR1_RX
CS
1
SO
2
WP
3
GN
D
4
SI
5
SC
LK
6
HOL
D
7
V
CC
8
U8
M
X25
L80
06
E
FLA
SH
GN
D
GN
D
Fl
ash
_C
S
Fl
ash
_M
ISO
Fl
ash
_M
O
SI
Fl
ash
_SC
K
PA1
0_
IAP
VDD_
elin
k3
2
VDD_
elin
k3
2
VDD_
elin
k3
2
PA
14
SWO
Sh
ort B
OOT
1 to
GN
D
and
R
eset
MC
U
, c
an
b
oo
t to
Bo
ot
loa
de
r
GND
The
L
ev
el S
hift
V
CCB
De
faul
t U
se T
arg
etBo
ard P
ow
er
D
on'
t c
on
figu
re P
D
1/
PD
2
as O
ut
put
or
En
abl
e
In
tern
al P
ull R
esisto
r
Blu
e
D
1
Bu
sy
Re
d
D
2
Err
VDD_
elin
k3
2
LE
D
1
LE
D
2
3
2
1
4
V
in
V
out
GN
D
TA
B
LM
11
17
U
3
LM
11
17
-33
D
C5
V
I/O1
1
GN
D
2
I/O2
3
I/O3
4
V
CC
5
I/O4
6
U2
TE
SD
S5
V
0A
US
BDP
_eli
nk
U
SB
D
M
_e
lin
k
Green
D3
US
B
LE
D
3
2
1
3
R2
2
10
0 (
Fit 1
-2)
V
CC
A
1
GN
D
2
A
3
B
4
DI
R
5
V
CC
B
6
U4
SN
74
LV
C1
T4
5
V
CC
B
V
CC
B
VDD_
elin
k3
2
VDD_
elin
k3
2
V
CC
B
V
D
D
_T
arg
etB
oa
rd
VDD_
elin
k3
2
1
R1
2
0 (
N
C)
1
R1
1
0
DAP
_T
X
DAP
_R
X
GN
D
GN
D
V
CC
B
V
CC
B
VDD_
elin
k3
2
VDD_
elin
k3
2
V
CC
B
GN
D
1
2
S1
RE
SE
T/IAP
DAP
_T
X
DAP
_R
X
SWO
PA
14
U
R1
_R
X
U
R1
_T
X
D
IR3
DIR3
1
R1
9
10
k
V
CC
B
LE
D
Fil
ter
CA
P.
Pow
er
ESD
Prot
ect
or
VDD_
elin
k3
2
VDD_
elin
k3
2
VDD_
elin
k3
2
SWD
10
P
in
Co
nn
ec
tor
Lev
el
Sheft
Pow
er
Mo
de O
pti
on
Butt
on O
pti
on
nR
ST
_CT
RL
Re
d
D4
(N
C)
Pow
er
GN
D
1
R2
3
10
k
GN
D
1
C2
4
0.
1uF
VDD_
elin
k3
2
GN
D
GN
D
1
2
3
4
5
J4
Pow
er S
W
1
C1
3
0.
1uF
1
C1
8
0.
1uF
V
CC
A
1
GN
D
2
A
3
B
4
DI
R
5
V
CC
B
6
U5
SN
74
LV
C1
T4
5
V
CC
A
1
GN
D
2
A
3
B
4
DI
R
5
V
CC
B
6
U6
SN
74
LV
C1
T4
5
V
CC
A
1
GN
D
2
A
3
B
4
DI
R
5
V
CC
B
6
U9
SN
74
LV
C1
T4
5
V
CC
A
1
GN
D
2
A
3
B
4
DI
R
5
V
CC
B
6
U7
SN
74
LV
C1
T4
5
1
R2
7
10
k
1
C2
3
0.
1uF
1
C2
5
0.
1uF
1
C2
6
0.
1uF
1
R1
6
10
k
1
R1
5
10
k
1
R1
0
10
K
1
R9
10
0K
1
C2
2
0.
1uF
1
C2
1
0.
01u
F
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
1
2
C2
0.
1uF
2
1
R1
4
10
K
1
2
C3
0.
1uF
1
2
C4
0.
1uF
1
2
C5
0.
1uF
1
2
C6
0.
1uF
1
2
C7
0.
1uF
2
1
R2
1
10
K
1
R2
8
1M
1
R2
27
1
R3
27
1
R6
47
0
1
R7
47
0
1
R8
47
0
1
R5
47
0 (
N
C)
1
R2
4
10
0
1
R2
5
10
0
1
R2
6
10
0
1
R1
10
0
1
R4
10
0
1
R2
0
10
0
I/O1
1
I/O2
2
GN
D
3
Q1
TE
SDA5
V0
A_
SO
T2
3-3
GN
D
U
se P
B8
to
ide
nt
ify
H
/W
T
ype
Flo
atin
g :
St
arter K
it
Gn
d
:
e
lin
k3
2 P
ro
Figure 4. e-Link32 v1.0 (HT32F1654)
