Data Sheet

ManualsBrandsDFRobot ManualsInternet of Things (IoT)Bluno M0 Microcontroller

NUC123

May 3, 2017 Page 24 of 99 Rev.2.04

NUC123 SERIES DATASHEET

I2S_BCLK

I/O

I

2

S bit clock pin

30

22

16

PC.0

I/O

Digital GPIO pin

SPI0_SS0

I/O

SPI0 1

st

slave select pin

I2S_LRCLK

I/O

I

2

S left/right channel clock pin

31

23

PB.10

I/O

Digital GPIO pin

SPI0_SS1

I/O

SPI0 2

nd

slave select pin

TM2

I/O

Timer2 event counter input / toggle output pin

32

24

PB.9

I/O

Digital GPIO pin

SPI1_SS1

I/O

SPI1 2

nd

slave select pin

TM1

I/O

Timer1 event counter input / toggle output pin

PWM1

I/O

PWM1 PWM output / capture input pin (NUC123xxxAEx

Only)

33

V

SS

P

Ground

34

25

17

PC.13

I/O

Digital GPIO pin

SPI1_MOSI1

I/O

SPI1 2

nd

MOSI (Master Out, Slave In) pin

PWM3

I/O

PWM3 PWM output / capture input pin

CLKO

O

Frequency Divider output pin

35

26

18

PC.12

I/O

Digital GPIO pin

SPI1_MISO1

I/O

SPI1 2

nd

MISO (Master In, Slave Out) pin

PWM2

I/O

PWM2 PWM output / capture input pin

I2S_MCLK

O

I

2

S master clock output pin

36

27

19

PC.11

I/O

Digital GPIO pin

SPI1_MOSI0

I/O

SPI1 1

st

MOSI (Master Out, Slave In) pin

37

28

20

PC.10

I/O

Digital GPIO pin

SPI1_MISO0

I/O

SPI1 1

st

MISO (Master In, Slave Out) pin

38

V

DD

P

Power supply for I/O ports and LDO source for internal PLL

and digital function. Voltage range is 2.5V ~ 5V.

39

29

21

PC.9

I/O

Digital GPIO pin

SPI1_CLK

I/O

SPI1 serial clock pin

40

30

22

PC.8

I/O

Digital GPIO pin

SPI1_SS0

I/O

SPI1 1

st

slave select pin

PWM0

I/O

PWM0 PWM output / capture input pin (NUC123xxxAEx

Only)

41

31

PA.15

I/O

Digital GPIO pin

PWM3

I/O

PWM3 PWM output / capture input pin

I2S_MCLK

O

I

2

S master clock output pin

CLKO

O

Frequency Divider output pin