Silicon Laboratories Biometric-EXP EVB, User Manual

Page: 13 / 16

B i o m e t r i c - E X P E V B
Rev. 0.4 13
Table 2 details the pinouts and signal descriptions of the 6-pin I
2
C connector J6.
8 Not Used PD2
9 Si7013 and I
2
C Ribbon Connector (J6) SCL PC5
10 Not Used PD3
11 Not Used PB11
12 Enable TS3310 Boost DC-DC Converter PD4
13 Not Used PB12
14 Si1146 and I
2
C Ribbon Connector (J6) INT PD5
15 Not Used PC6
16 Si1146 I
2
C SDA PD6
17 Si1146 I
2
C SCL PD7
18 Not Used 5V
19 Not Used GND
20 3.3 V 3.3 V
Table 2. 6-Pin I
2
C Connector (J6)
Pin # Signal Description
1 I2C SCL
2 5V
3 I2C SDA
4 GND
5 INT
6 VMCU
Table 1. Expansion Connectors (JP3 and JP4) (Continued)
Pin # Biometric-EXP Signal Description WonderGecko Signal