Quectel SC206E Series User Manual

Smart Module Series
SC206E_Series_Hardware_Design 57 / 115
3.19. Touch Panel Interface
The module provides one I2C interface for the connection to a Touch Panel (TP), and also provides the
corresponding power supply and interrupt pins. The definition of TP interface pin is illustrated below.
Table 22: Pin Definition of Touch Panel Interface
A reference circuit for the TP interface is shown below.
TP_RST
TP_I2C_SCL
TP_I2C_SDA
TP_INT
1
2
3
4
5
6
2.2K
2.2K
LDO15A_1V8
4.7 μF
100 nF
Module
RESET
SCL
SDA
INT
GND
VDD
TP
R2
R1
C1 C2
D1 D2
D3
D4
D5
LDO17A_3V0
GND
Figure 21: Reference Circuit Design for the Touch Panel Interface
Pin Name
Pin No.
I/O
Description
Comment
TP_RST
31
DO
TP reset
1.8 V voltage domain.
Active low.
TP_INT
30
DI
TP interrupt
1.8 V voltage domain.
TP_I2C_SCL
47
OD
TP I2C clock
Need to be pulled up to 1.8 V
externally.
Can be used for other I2C devices.
TP_I2C_SDA
48
OD
TP I2C data

Quectel SC206E Series Specifications

General

Brand	Quectel
Model	SC206E Series
Category	Control Unit
Language	English