: Chip Select Bar. This active-low pin enables or disables the digital SPI interface, separating it from other peripherals sharing the SPI lines. Internal Architecture & Signal Flow
Could you confirm the or the type of machine this part is installed in? Knowing if it is a motor, HVAC component, or sensor would help in identifying the correct repository for the full diagram. Wiring Diagrams - Carrier pbm27a210mvr diagram full
When implementing the PBM210 into a circuit, the following pinout is standard for the LGA package: Description Power Supply Main supply voltage (typically 1.7V to 5.5V). VDDIO Digital interface supply voltage (1.2V to 5.5V). GND Common ground connection. SDA/SDI Serial data input/output for I2C or SPI protocols. SCL/SCK Clock Line Serial clock input for synchronization. SDO/ADDR Address/Out SPI data output or I2C address select bit. CSB Chip Select Active low chip select for SPI mode. Technical Specifications : Chip Select Bar