CH1_INP1CH1_INN2FB13VCCA4VSSA5IOUTC6IOUT7REXT8GND/TST9VCC2510VCC11NC312NC213NC114P15/INT3#15P80/TA4OUT16VSS17P71/RXD2/SCL2/TA0IN18P70/TXD2/SDA2/TA0OUT19RESET#20P65/CLK121P92/SOUT322P67/TXD1/SDA123P91/SIN324P64/CTS1/RTS1/CLKS125P90/CLK326P66/RXD1/SCL127P60/CTS0/RTS028P73/CTS2/RTS2/TA1IN29P61/CLK030TS31P63/TXD0/SDA032P62/RXD0/SCL033P83/INT1#34P74/TA2OUT35P81/TA4IN36P76/TA3OUT37P84/INT2#38P8539VSS40IFLT41XIN42XOUT43VCC2544PRE_BOUT45PRE_INN46PRE_INP47VCCA48CNVSS49VSSA50VREF51VDCCN52AMP1_IN53AMP1_OUT54AMP2_OUT55AMP2_IN56AMP3_IN57AMP3_OUT58CH3_INP59CH3_INN60FB361CH2_INP62CH2_INN63FB264