3 Hardware

This section describes the hardware features of the WILCS02-SD board.

Figure 3-1. WILCS02-SD Board Block Diagram
Note:
  1. Using Microchip’s total system solution, which includes complementary devices, software drivers and reference designs, is highly recommended to ensure the proven performance of the WILCS02-SD boards. For more details, go to support.microchip.com or contact your local Microchip Sales office.
  2. It is recommended to connect this pin with the Tri-State pin on the host board.
Table 3-1. Microchip Components Used in WILCS02-SD Board
DesignatorDescriptionManufacturer Part Number
U100MCHP INTERFACE USB I2C UART MCP2221A-I/ST TSSOP-14MCP2221A-I/ST
U101MCHP RF WI-FI® 802.11 b/g/n WILCS02PE-IWILCS02PE-I
U201MCHP ANALOG LDO 0.8V-5V MCP1727T-ADJE/MF DFN-8MCP1727T-ADJE/MF
U202MCHP ANALOG POWER SWITCH 1.7V to 5.5V 2A MIC94083YFT 4-TMLFMIC94083YFT-TR