11.1 Host Interface - SPI

Figure 11-1. ATWILC3000-MR110xA Reference Schematic for SPI Operation
Note: Adding test points for module pins 8, 9, 10, 11, 16 and 17 in the design is recommended.

The following table provides the reference Bill of Material details for the ATWILC3000-MR110xA module with the SPI as the host interface.

Table 11-1. ATWILC3000-MR110xA Reference Bill of Materials for SPI Operation
ItemQuantityReferenceValueDescriptionManufacturerPart NumberFootprint
11U1ATWILC3000-MR110xAWi-Fi/Bluetooth/BLE Combo ModuleMicrochip Technology Inc.®ATWILC3000-MR110xACustom
21U2ASH7KW-32.768kHZ-L-TOscillator, 32.768 kHz, +0/-175 ppm, 1.2V-5.5V, -40°C - +85°C, 3.2x1.5 mmAbracon® CorporationASH7KW-32.768kHZ-L-TOSCCC320X150X100-4N
31R11MRESISTOR, Thick Film, 1 MΩ, 0201PanasonicERJ-1GEJ105CRS0201
413R2-R140RESISTOR, Thick Film, 0Ω, 0201PanasonicERJ-1GN0R00CRS0201