EARDATEK EWN-8720CMN1AA, Getting Started Manual

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EWN-8720CMN1AA Getting Started Guide
PIN Definition Description
1 GND Ground
2 VCC
Supply power 3.3V
；
3 CHIP_EN
1:Enable chip
2:Shutdown chip
4
GPIOA_0
(TEST_MODE_SEL)
JTAG_CLK/UART1_IN/PWM[0]
1:Enter into test/debug mode
0:Normal operation mode
5
GPIOA_1
(Autoload_Fail)
JTAG_TMS/UART1_OUT/PWM[1]
1:eFUSE settings are not loaded
2:eFUSE settings are loaded
6 GPIOA_2 JTAG_TDO/UART1_IN/PWM[2]/SPI_CSn/I2C_SCL
7 GPIOA_3 JTAG_TDI/UART1_OUT/PWM[3]/SPI_SCL/I2C_SDA
8 GPIOA_4 JTAG_TRST/UART1_CTS/PWM[4]/SPI_MOSI
9 GPIOA_7 Flash_SPI_CS/SPI_M_CS/SPI_CSn
10 GPIOA_8 Flash _SPI_CLK/SPI_M_CLK/SPI_SCL
11 GPIOA_9 Flash _SPI_WP/SPI_M_DATA[2]/SPI_MOSI/UART0_RTS
12 GPIOA_10 Flash _SPI_SO/SPI_M_DATA[1]/SPI_MISO/UART0_CTS
13 GPIOA_11 Flash _SPI_SI/SPI_M_DATA[0]/I2C_SCL/UART0_OUT/PWM[0]
14 GPIOA_12 Flash _SPI_HOLD/SPI_M_DATA[3]/I2C_SDA/UART0_IN/PWM[1]
15 GND Ground
16 GPIOA_13 UART0_IN/PWM[7]
17 GPIOA_14 SDIO_INT/UART0_OUT/PWM[2]
18 GPIOA_15 SDIO_D[2]/UART2_IN/PWM[3]/SPI_CSn/I2C_SCL
19 GPIOA_16 SDIO_D[3]/UART2_OUT/PWM[4]/SPI_SCL/I2C_SDA
20 GPIOA_17 SDIO_CMD/ PWM[5]
21 GPIOA_18 SDIO_CLK/ PWM[6]
22 GPIOA_19 SDIO_D[0]/UART2_CTS/PWM[7]/SPI_MOSI/I2C_SCL
23 GPIOA_20 SDIO_D[1]/UART2_RTS/PWM[0]/SPI_MISO/I2C_SDA