VSS1VCC2CEN3W_RN4A25A16A07DACKN8I/O0a9I/O1a10RXDa11RXDb12I/O2a13I/O3a14TXDa15I/O0b16I/O1b17I/O2b18I/O3b19TXDb20I/O0c21VSS22I/O1c23I/O2c24I/O3c25TXDc26RXDc27I/O0d28I/O1d29I/O2d30I/O3d31RXDd32VSS33TXDd34RESETN35GIN036GOUT037D038D139D240D341VSS42VCC43D444D545D646D747GIN148I/O3h49I/O2h50I/O1h51I/O0h52VSS53RXDh54TXDh55I/O3g56I/O2g57I/O1g58I/O0g59RXDg60TXDg61VSS62X163X264TXDf65I/O3f66I/O2f67I/O1f68I/O0f69TXDe70I/O3e71I/O2e72I/O1e73RXDf74RXDe75I/O0e76IRQN77A778A679A580A481A382IACKN83SCLK84