WE866E4-P Module Hardware User Guide
1VV0301487 Rev. 1.2 16 2018-07-27
PRELIMINAR
Y
3.2 A Pad Layout
The following representation shows the top view of the Pad layout:
ABCDEFG
1 VDD_BLE GND GND ANT_1 GND GND GND
2 VDD_WLAN GND GND GND GND GND GND
3 VIO UART0_CTS UART1_RX
GPIO_1
WAKEUP
GPIO_2
BT_PRIORITY
GND ANT_2
4 UART0_TXD UART0_RTS UART_TX RES USB_VDD GND GND
5 UART0_RX RES I2S_SYNC I2S_SCK USB_DP
GPIO_3
Wi-Fi Active
WiFi_EN
6 SDIO_D2 SDIO_D1 I2S_SDI I2S_SDO USB_DM
GPIO_4
BT_ACTIVE
BT_EN
7 GND
SDIO_D3
SPI_MOSI
UART0_RTS
SDIO_D0
SPI_MISO
UART0_RXD
SDIO_CLK
SPI_CLK
UART0_CTS
SDIO_CMD
SPI_CS
UART0_TXD
GPIO_5
DAC_OUT1
GND
8 ADC_IN1 JTAG_TCK JTAG_TD0 JTAG_TMS JTAG_TDI
GPIO_6
I2C_SDA
GPIO_7
I2C_SCL
9 ADC_IN2 ADC_IN3 GND
SPI_CS
(MASTER)
GPIO
SPI_CLK
(MASTER)
GPIO
SPI_MOSI
(MASTER)
GPIO
SPI_MISO
(MASTER)
GPIO