4.1 RNWF11 UART to Cloud Add On Board Reference Schematics Figure 4-1. MCP2200 USB UART Converter Figure 4-2. Target 3.3V Regulator Figure 4-3. I/O Expander Figure 4-4. Debug UART Figure 4-5. VDD Power Supply Selection Header Figure 4-6. RNWF11PC Module Connection Note: For more details, refer to the firmware release notes at RNWF11PC. Figure 4-7. mikroBUS™ and PTA Interface Header Figure 4-8. PHY Daughter Board Headers Figure 4-9. SPI Memory Figure 4-10. ECC608 Trust Flex