Download Pin Description The Quessence™ baseboard comes with I/O headers having 31 pins. These headers can be used to add a combination of multiple QueBlocks™.

The table below describes the pins of the Quessence baseboard’s Headers.

S.No. Quessence header# Direction Function
S1 GPIO_49 Input/Output General-purpose Input/Output
SIO_1 Input/Output Multi-function Serial Interface  Input/Output
S2 GPIO_50 Input/Output General-purpose Input/Output
SIO_2 Input/Output Multi-function Serial Interface  Input/Output
I2C1_SCL Output I2C Interface Clock – Mode 5
S3 GPIO_10 Input/Output General-purpose Input/Output
USART_IR_TX Output  Mode 1
I2C2_SCL Output I2C Interface Clock – Mode 4
PWM_2H Output PWM –Mode 8
S4 GPIO_12 Input/Output General-purpose Input/Output
USART_IR_RX Input  Mode 1
UART2_TX Output UART Transmit – Mode2
I2C1_SCL Output I2C Interface Clock – Mode 4
S5 GPIO_15 Input/Output General-purpose Input/Output
UART2_RX Input UART Receive – Mode2
I2C1_SDA Input/Output I2C Data – Mode 4
S6 ULP_GPIO_1 Input/Output General-purpose Input/Output in ULP Mode
SIO_1 Input/Output Multi-function Serial Interface  Input/Output in ULP Mode
UART2_TX Output UART Transmit – Mode6
S7 ULP_VBAT_GPIO_3 Input/Output General-purpose Input/Output in UULP Mode
S8 MCU_RESET_N Input External reset
S9 ULP_GPIO_9 Input/Output General-purpose Input/Output in ULP Mode
S10 ULP_VBAT_GPIO_0 Input/Output General-purpose Input/Output in UULP Mode
S11 GPIO_29 Input/Output General-purpose Input/Output in ULP Mode
CAN1_RXD Input CAN Receive – Mode 1
USART1_RX Input Synchronous UART Receive – Mode 2
GSPI_MST1_MISO Output GSPI data output – Mode 4
I2S_2CH_DIN Input I2S Data Input  - Mode 5
I2C2_SDA Input/Output I2C Data – Mode 6
S12 GPIO_30 Input/Output General-purpose Input/Output in ULP Mode
CAN1_TXD Output CAN  Transmit – Mode 1
USART1_TX Output Synchronous UART Transmit – Mode 2
GSPI_MST1_MOSI Input GSPI data input – Mode 4
I2S_2CH_DOUT Output I2S Data Output  - Mode 5
S13 GPIO_28 Input/Output General-purpose Input/Output
SIO_7 Input/Output Multi-function Serial Interface  Input/Output
GSPI_MST1_CLK Output GSPI Clock – Mode 4
I2S_2CH_CLK Output I2S Clock  - Mode 5
I2C2_SCL Output I2C Clock – Mode 6
USART1_CLK Output Synchronous UART Clock – Mode 2
S14 VDD_5V Output 5V Output Power Supply for THING boards.
S15 GND Ground Ground
S16 VIN_EXT Input External Power Supply. This can be from different sources like battery THING.
S17 VDD_3V3 Output 3.3V Output Power supply
S18 GPIO_11 Input/Output General-purpose Input/Output
SIO_5 Input/Output Multi-function Serial Interface  Input/Output
I2C2_SDA Input/Output I2C Data – Mode 4
PWM_2L Output PWM –Mode 8
S19 GPIO_08 Input/Output General-purpose Input/Output
SIO_2 Input/Output Multi-function Serial Interface  Input/Output
USART1_RX Input Synchronous UART Receive – Mode 2
PWM_1L Output PWM –Mode 8
S20 GPIO_07 Input/Output General-purpose Input/Output
SIO_1 Input/Output Multi-function Serial Interface  Input/Output
USART2_RX Input Synchronous UART Receive – Mode 2
I2C1_SCL Output I2C Interface Clock – Mode 4
S21 GPIO_09 Input/Output General-purpose Input/Output
SIO_3 Input/Output Multi-function Serial Interface  Input/Output
USART1_TX Output Synchronous UART Transmit – Mode 2
PWM_1H Output PWM –Mode 8
S22 GPIO_06 Input/Output General-purpose Input/Output
SIO_0 Input/Output Multi-function Serial Interface  Input/Output
UART2_TX Output UART Transmit – Mode 2
I2C1_SDA Input/Output I2C Data – Mode 4
S23 GND Ground Ground
S24 GPIO_25 Input/Output General-purpose Input/Output
SIO_4 Input/Output Multi-function Serial Interface  Input/Output
I2C1_SCL Output I2C Interface Clock – Mode 4
USART1_CLK Output Synchronous UART Clock – Mode 2
UART2_TX Output UART Transmit – Mode 9
S25 VBATT_GATE Output 3.3V Output Power supply
S26 GPIO_51 Input/Output General-purpose Input/Output
SIO_3 Input/Output Multi-function Serial Interface  Input/Output
I2C1_SDA Input/Output I2C Data – Mode 5
S27 GPIO_26 Input/Output General-purpose Input/Output
SIO_5 Input/Output Multi-function Serial Interface  Input/Output
USART1_TX Output Synchronous UART Transmit – Mode 2
I2C1_SDA Input/Output I2C Data – Mode 4
UART2_RX Input UART Receive – Mode 9
S28 GPIO_27 Input/Output General-purpose Input/Output
SIO_6 Input/Output Multi-function Serial Interface  Input/Output
USART1_RX Input Synchronous UART Receive – Mode 4
GSPI_MST1_CS0 Output GSPI Chip Select - Mode
I2S_2CH_WS Output I2S Select  - Mode 5
S29 ULP_GPIO_0 Input/Output General-purpose Input/Output in ULP Mode
SIO_0 Input/Output Multi-function Serial Interface  Input/Output in ULP Mode
UART2_RX Input UART Receive – Mode 6
S30 ULP_ GPIO_11 Input/Output General-purpose Input/Output in ULP Mode
CAN1_TXD Output CAN Transmit – Mode 1
USART1_TX Output Synchronous UART Transmit – Mode 2
I2C2_SDA Input/Output I2C Data – Mode 7
PWM_4H   PWM –Mode 8
S31 ULP_ GPIO_10 Input/Output General-purpose Input/Output in ULP Mode
CAN1_RXD Input CAN Receive - Mode 1
USART1_RX Input Synchronous UART Receive -  Mode 2
I2C2_SCL Output I2C Clock – Mode 7
PWM_4L Output PWM –Mode 8