Gpio Interfaces - Quectel SC20 Series Hardware Design

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3.13. GPIO Interfaces

SC20 series has abundant GPIO interfaces with logic level of 1.8 V. The pin definition is listed below.
Table 17: Pin Definition of GPIO Interfaces
Pin No. Pin Name
30 TP_INT
31 TP_RST
33 GPIO_23
34 UART1_TX
35 UART1_RX
36 UART1_CTS
37 UART1_RTS
45 SD_DET
47 TP_I2C_SCL
48 TP_I2C_SDA
49 LCD_RST
50 LCD_TE
74 CAM0_CLK
75 CAM1_CLK
4
B: Bidirectional digital with CMOS input. PD: nppukp = default pull-down with programmable options following the colon
(:).
5
Wakeup: Interrupt pins that can wake up the system.
SC20_Series_Hardware_Design
SD_DATA2
SD_DATA3
GPIO No.
GPIO_13
GPIO_12
GPIO_23
GPIO_20
GPIO_21
GPIO_111
GPIO_112
GPIO_38
GPIO_19
GPIO_18
GPIO_25
GPIO_24
GPIO_26
GPIO_27
Smart Module Series
14.53
14.57
Default state
4
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
B-PD: nppukp
Comment
5
Wakeup
Wakeup
Wakeup
Wakeup
Wakeup
Wakeup
Wakeup
Wakeup
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