PB0/ANA0/AMPOUT20PC3/COUT/LED19PC2/ANA6/LED/VREF18PC1/ANA5/CINN/LED17PC0/ANA4/CINP/LED16DBG15RESET#/PD014PA7/T1OUT13PA6/T1IN/T1OUT#12PA5/TXD011PA4/RXD010PA3/CTS0#9PA2/DE08VSS7PA1/T0OUT/XOUT6PA0/T0IN/T0OUT#/XIN5VDD4PB3/CLKIN/ANA33PB2/ANA2/AMPINP2PB1/ANA1/AMPINN1