P A G E 13
CLICKER 4 for TMPM4K
U S E R M A N U A L
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
G3
G4
D1
D2
D3
D4
D5
D6
D7
A1
A2
A3
A4
A5
GND
EXT
3.3V
5V
VREF
RESET
I1
I2
I3
I4
P1
P2
P3
P4
RX2
TX2
RX3
TX3
SCL1
SDA1
G1
G2
CS
SCK
MISO
MOSI
I2C
GPIO
GPIO
SPIO
PWR
UART
ANALOG
PWM
DIGITAL
INTERRUPT
PWM
INTERRUPT
I2C
UART
ANALOG
SPI
DIGITAL
Figure 8: 1x20 pin header view
CONNECTIVITY
A lot of the host MCU pins are routed to two 1x20 pin headers, making them
available for further connectivity. In addition to MCU pins, some additional
peripheral pins are also routed to this header.
