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Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 72 / 118
corresponding power supply and interrupt pins. The pin definition of touch panel interfaces is illustrated
below.
Table 26: Pin Definition of Touch Panel Interfaces
A reference design for touch panel interfaces is shown below.
Pin Name
Pin No
I/O
Description
Comment
GPIO_03B
11
PO
TP VDD power supply enable pin
Use external LDO power
supply
LDO11A_1P8
10
PO
1.8V output power supply
Pull-up power supply of I2C
Vnorm=1.8V
I
O
max=300mA
TP0_INT
139
DI
Interrupt signal of touch panel (TP0)
TP0_RST
138
DO
Reset signal of touch panel (TP0)
TP0_I2C_
SCL
140
OD
I2C clock signal of touch panel
(TP0)
TP0_I2C_
SDA
206
OD
I2C data signal of touch panel (TP0)