A 1x7 (100-mil) female right-angle header (J100) provides access to key signals and power of the evaluation kit. The header includes the following pin functions:
VDD (External power in-/output): This pin may supply external power to the evaluation kit or supply an external system.
GND (Ground): Common ground reference for signals and power.
Detect (Digital Output): Indicates the presence of liquid based on sensor input.
Hbeat (Digital Output): Periodic heartbeat signal confirming the MTCH9010 is active and operating normally.
Wake (Digital Input): External signal used to wake the system from sleep. It requires configuring the MTCH9010 sleep period for external wake-up.
UART Interface: TX and RX pins for serial communication with an external host controller.
DANGER: Header J100 has no polarity protection. Ensure correct polarity when connecting power to avoid potential damage to the board.
Important: When powering the board externally through header J100, the user must remove the jumper cap on header J201 to prevent potential damage to the board.
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
