TWR-PXS20 Users Manual: TWRPXS20_UG.pdf Other File: Quick Start PXS20 XTAL Setup, CodeWarrior Project PXS20 Demo, CodeWarrior Project TWR-PXS20 BOM, Rev A TWR-PXS20 Layout, Rev A FAQ: CAUTION: Voltage input at barrel connector P1 MUST NOT exceed +5.25V. Damage to the board or MCU may otherwise result.