Data Sheet

X-C13SM
802.11bgn and BLE SoC
Shanghai ChipFresh Internet of Things Technology Co., Ltd
8
2 Hardware Introduction
2.1
Pin Layout
X-C13SM comes with a on-board PCB antenna, please refer to Figure 2.
Figure 2. X-C13SM Pin Layout (Top View)
2.2 Pin Description
The module has 16 pins. See pin definitions in Table 1.
Pin
Describtion
Function
1
GPIO17
3.3V TTL UART1 Debug Output
DEBUG-TX
2
GPIO11
3.3V TTL UART1 Debug Input
DEBUG-RX
3
GPIO12
SPI,PWM,ADC
4
GPIO14
SPI,DAC,ADC
5
GPIO16
3.3V TTL UART0 Communication Output
UART-TX
6
GPIO7
3.3V TTL UART0 Communication Input
UART-RX