The screw terminal breakout daughterboard breaks the pins on the back of the WiPhone out to screw terminals.
- Screw terminal access to WiPhone and SX1509 GPIOs.
- Screw terminal access to WiPhone battery.
- Screw terminal access to 5V power from USB connector.
- Screw terminal access to 3.3V power from WiPhone.
- Screw Terminals with 3.5mm pitch pins.
- Side-entry terminal blocks
- Voltage rating (UL/IEC): 125/130 V
- Current rating (UL/IEC): 10/10 A
- Contact resistance: 20 mΩ
- Wire gauge: 24-18 AWG
- Wire strip length: 5-6 mm
- Screw: M2
The more general dimension diagram for an XX-pin version of this screw terminal block is shown below.
Peripherals and GPIO¶
|Peripheral Type||Qty||Input(I) / Output(O)|
|5V||This pin is internally connected to the VBUS of USB port.|
|VBAT||This pin is internally connected to the positive terminal of the LiPo battery connector.|
|3.3V||This pin is connected to the dedicated on board voltage regulator for daughter board.|
|GND||This pin is connected to System GND.|
|DB_RXD||38||Connected to Mainboard RX.Can be used as DIGITAL INPUT PIN(GPI_38)|
|DB_TXD||32||Connected to Mainboard TX.Can be used as DIGITAL PIN(GPIO_32), ANALOG PIN (ADC1_CH4) and PWM PIN|
|DB_SPI_MISO||12||MISO for Daughter board SPI. Can be used as DIGITAL PIN(GPIO_12) ANALOG PIN (ADC2_CH5) and PWM PIN.|
|DB_SPI_MOSI||13||MOSI for Daughter board SPI. Can be used as DIGITAL PIN(GPIO_13), ANALOG PIN (ADC2_CH4) and PWM PIN.|
|DB_SPI_CLK||14||Clock for Daughter board SPI. Can be used as DIGITAL PIN(GPIO_14), ANALOG PIN (ADC2_CH6) and PWM .|
|DB_SPI_CS||27||CS for Daughter board SPI. Can be used as DIGITAL PIN(GPIO_27), ANALOG PIN (ADC2_CH7) and PWM PIN.|
|I2C_SCL||25||Clock pin for I2C (GPIO_25).Not recommended for any other function.|
|I2C_SDA||15||Data pin for I2C(GPIO_15).Not recommended for any other function.|
|D0-D5||EXTENDER_PIN(10) - EXTENDER_PIN(15)||These pins are generic IO pins connected to SX1509 IO expander|
For more detailed information about each pin please check WiPhone Technical Manual