Smart LTE Module Series
Smart EVB User Guide
Smart_ EVB_User_Guide
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S801
S803
J801
J807
DC 5V
Figure 6: Power Supply Interfaces
3.2. Touch Panel Interface (J403)
Smart EVB provides a touch panel interface J403, which is used for the connection between touch panel
of LCM and EVB. The following figure shows a reference design for touch panel interface.
TP_ RST
TP_I2C_ SCL
TP_I2C_ SDA
TP_ INT
1
2
3
4
5
6
2.2K
2.2K
LDO6_1V8
4.7 uF 100nF
Module
TP_RST
TP_SCL
TP_SDA
TP_INT
GND
VDD
TP
R2
R1
C1
C2
D1
D2
D3
D4
VCTP2V8
7
8
Figure 7: Reference Design for Touch Panel Interface
U801
