Gpio Interfaces - Quectel SC20-WL Hardware Design

signal line traces should not exceed 1mm.
Table 10: SDIO Trace Length Inside the Module
Pin No. Signal
39 SD_CLK
40 SD_CMD
41 SD_DATA0
42 SD_DATA1
43 SD_DATA2
44 SD_DATA3

3.12. GPIO Interfaces

SC20-WL has abundant GPIO interfaces with power domain of 1.8V. The pin definition is listed below.
Table 11: Pin Definition of GPIO Interfaces
PIN Pin Name
30 TP_INT
31 TP_RST
33 GPIO_23
34 UART1_TXD
35 UART1_RXD
36 UART1_CTS
37 UART1_RTS
45 SD_DET
46 USB_BOOT
SC20-WL_Hardware_Design
Length (mm)
14.60
14.55
14.53
14.56
14.53
14.57
GPIO Default State
GPIO_13 B-PD: nppukp
GPIO_12 B-PD: nppukp
GPIO_23 B-PD: nppukp
GPIO_20 B-PD: nppukp
GPIO_21 B-PD: nppukp
GPIO_111 B-PD: nppukp
GPIO_112 B-PD: nppukp
GPIO_38 B-PD: nppukp
GPIO_37 B-PD: nppukp
Smart Wi-Fi Module Series
SC20-WL Hardware Design
Comment
Comment
Wakeup
Wakeup
Wakeup
UART1_RX Wakeup
Wakeup
Wakeup
Wakeup
Wakeup
42 / 81