Page 25
8. Pads
AN
INT
VCC-3.3V
SCK
SDI
SDO
VSYS
HDR1
SPIM_SCK-GPIO27
SPIM_MISO-GPIO30
SPIM_MOSI-GPIO29
ADC7-GPIO12
ADC6-GPIO11
ADC5-GPIO10
ADC4-GPIO9
ADC3-GPIO8
ADC2-GPIO7
ADC1-GPIO6
GPIO16-INT-CAN
GPIO15-INT-CAN
GPIO14-INT-DAC
GPIO13-INT-DAC
GPIO19-SD
GPIO20-SD
GPIO21-SD
GPIO22-SD
GPIO23-SD
GPIO24-SD
GPIO25-SD
GPIO26-SD
RX
TX
SDA
SCL
PWM
VCC-3.3V
RESET#
HDR2
UART0
_
TX-GPIO48
UART0
_
RX-GPIO49
PWM4-GPIO52
PWM5-GPIO53
PWM6-GPIO54
PWM7-GPIO55
PWM0-GPIO56
I2C0
_
SCL-GPIO44
I2C0
_
SDA-GPIO45
GPIO40
GPIO42
GPIO43
GPIO17
GPIO65-I2S
GPIO66-I2S
GPIO63-I2S
GPIO64-I2S
GPIO61-I2S
GPIO62-I2S
GPIO60-I2S
C8
100nF
VCC-3.3V
C9
100nF
VCC-3.3V
C10
100nF
VCC-3.3V
VCC-3.3V
C13
100nF
C38
10uF
VCC-1.2V
C39
100nF
VCC-1.2V
C41
4.7uF
VCC-1.2V
C5
100nF
VCC-1.2V
X1
32.768KHz
C2
10pF
C3
10pF
RTC_X1
RTC_X2
C7
18pF
C6
18pF
X2
12MHz
X1
X2
VCC-3.3V
75
74
73
72
71
70
69
68
67
66
64
65
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
9
11
12
4
3
78 77
24
23
18
17
16
15
14
13
5
6
7
8
10
79
80
1
2
22
21
20
19
25
76
FTDI
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
0
ST
ES
TR
ES
TN
RE
SE
TN
VP
P
FS
O
U
RC
E
G
PI
O
52
G
PI
O
51
GPIO21
GPIO22
GPIO23
GPIO24
D_DM
VCC3V3
VCC1V2
GPIO0
G
PI
O
54
G
PI
O
53
GPIO63
GPIO64
GPIO65
GPIO66
G
PI
O
55
G
N
D
G
PI
O
10
G
PI
O
9
G
PI
O
8
G
PI
O
12
G
PI
O
7
G
PI
O
6
RT
C_
XI
O
TX
O
N
GPIO20
GPIO19
G
PI
O
14
G
PI
O
13
D
AC
_R
EF
P
VC
C3
V3
AG
N
D
G
PI
O
11
GPIO28
G
PI
O
44
GPIO39
GPIO38
GPIO37
GPIO36
GPIO35
GPIO34
DRREF
D_DP
GPIO62
GPIO61
GPIO30
GPIO27
GPIO26
G
PI
O
48
G
PI
O
15
G
PI
O
16
GPIO17
GPIO18
G
PI
O
43
G
PI
O
42
GPIO41
GPIO40
G
PI
O
57
G
PI
O
58
XIO
GPIO4
VC
C3
V3
G
PI
O
56
GPIO1
G
PI
O
49
GPIO2
GPIO5
NC
GPIO33
GPIO32
GPIO31
D
EB
U
G
G
PI
O
50
GPIO3
XI/CLKIN
RT
C_
XI
/R
TC
_C
LK
IN
G
PI
O
47
G
PI
O
46
G
PI
O
45
GPIO29
GPIO25
VCC1V2
VCC3V3
H_DM
RR
EF
SE
T
VC
C3
V3
H_DP
AGND
HRREF
VC
C1
V2
VC
C3
V3
RX
IP
RX
IN
TX
O
P
G
PI
O
60
FT900Q
0
TP
U1
R9
R7
SPIM_SCK-GPIO27
SPIM_MISO-GPIO30
SPIM_MOSI-GPIO29
I2
C0
_S
CL
-G
PI
O
44
I2
C0
_S
D
A-
G
PI
O
45
U
AR
T0
_T
X-
G
PI
O
48
U
AR
T0
_R
X-
G
PI
O
49
PW
M
4-
G
PI
O
52
PW
M
5-
G
PI
O
53
PW
M
6-
G
PI
O
54
PW
M
7-
G
PI
O
55
PW
M
0-
G
PI
O
56
PW
M
1-
G
PI
O
57
-M
B1
PW
M
2-
G
PI
O
58
-M
B2
AD
C7
-G
PI
O
12
AD
C6
-G
PI
O
11
AD
C5
-G
PI
O
10
AD
C4
-G
PI
O
9
AD
C3
-G
PI
O
8
AD
C2
-G
PI
O
7
AD
C1
-G
PI
O
6
RT
C_
X2
RT
C_
X1
RE
SE
T#
R30
VCC-1.2V
USB-D_N
USB-D_P
USB-DET
R28
R29
GPIO28-MB1_CS
GPIO33-MB2_CS
G
PI
O
16
-I
N
T-
CA
N
G
PI
O
15
-I
N
T-
CA
N
G
PI
O
14
-I
N
T-
D
AC
G
PI
O
13
-I
N
T-
D
AC
D
BG
SPIS0-SS
SPIS0-MOSI
SPIS0-MISO
SPIS0-SCK
FSRC
VP
P
GPIO1-MB1_INT
G
PI
O
42
G
PI
O
43
GPIO40
GPIO19-SD
GPIO20-SD
GPIO21-SD
GPIO22-SD
GPIO23-SD
GPIO24-SD
GPIO25-SD
GPIO26-SD
GPIO5-MB2_RST
GPIO4-MB2_INT
GPIO2-T3
R35
10K
R36
10K
VCC-3.3V
C42
100nF
GPIO17
GPIO65-I2S
GPIO66-I2S
GPIO63-I2S
GPIO64-I2S
GPIO61-I2S
GPIO62-I2S
G
PI
O
60
-I
2S
GPIO34-LD1
GPIO35-T2
GPIO18-LD2
GPIO31-SENSEL
G
PI
O
47
_M
B1
_R
ST
G
PI
O
50
-S
TA
T
0Ω
Most microcontroller pins are available for further connectivity via two 1x26 rows of connection
pads on both sides of the clicker 2 for FT90x board. They are designed to match additional shields,
such as Battery Boost shield, Gaming, PROTO shield and others.
Pads HDR2
Pads HDR1
Figure 8-1: Connecting pads schematic