User's Manual

Module Pin Definition
Pin # Pin Name Direction/Type Description
1 GND Power Ground
2 DIO_0 Digital I/O GPIO, ULP Sensor Interface
3 DIO_1 Digital I/O GPIO, ULP Sensor Interface
4 DIO_2 Digital I/O GPIO, ULP Sensor Interface,
LED driving capability
5 DIO_3 Digital I/O GPIO, ULP Sensor Interface,
LED driving capability
6 DIO_4 Digital I/O GPIO, ULP Sensor Interface,
LED driving capability
7 JTAG_TMSC Digital I/O JTAG TMSC, LED driving
capability
8 JTAG_TCKC Digital I/O JTAG_TCKC
9 JTAG_TDO Digital I/O GPIO, LED driving capability,
JTAG_TDO
10 JTAG_TDI Digital I/O GPIO, LED driving capability,
JTAG_TDI
11 GND Power Ground
12 GND Power Ground
13 nRESET Digital In Reset, active-low. No internal pull-up
14 DIO_7 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
15 DIO_8 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
16 DIO_9 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
17 DIO_10 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
18 DIO_11 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
19 DIO_12 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
20 DIO_13 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
21 DIO_14 Digital/Analog I/O GPIO, ULP Sensor Interface, Analog
22 VDD Power 1.9V to 3.8V main chip supply
23 GND Power Ground
24 GND Power Ground
25 GND Power Ground