Pin #

Function

Description

1

GND

System ground.

2

VCC

Positive power input, 3.3V nominal, ±5%.

3

CS

Chip select, active LOW (input^*).

4

N.C.

No connection.

5

DI

SPI port, data in (input^*, must be connected to the DO line of the host Tibbo device).

6

N.C.

No connection.

7

RST

Reset, active LOW (input^*).

8

N.C.

No connection.

9

DO

SPI port, data out (output^*, must be connected to the DI line of the host Tibbo device).

10

CLK

SPI port, clock (input^*).