78M6612 Data Sheet

DS_6612_001

4

Rev 2

Figures

Figure 1: IC Functional Block Diagram..................................................................................................... 6

Figure 2: AFE Block Diagram................................................................................................................... 8

Figure 3: Connecting an External Load to DIO Pins ............................................................................... 15

Figure 4: Functions Defined by V1......................................................................................................... 17

Figure 5: Voltage, Current, Momentary and Accumulated Energy........................................................... 18

Figure 6: MPU/CE Data Flow................................................................................................................. 19

Figure 7: MPU/CE Communication ........................................................................................................ 20

Figure 8: Resistive Voltage Divider ........................................................................................................ 21

Figure 9: Resistive Current Shunt .......................................................................................................... 21

Figure 10: Current Transformer.............................................................................................................. 21

Figure 11: Connecting LCDs.................................................................................................................. 23

Figure 12: I2C EEPROM Connection...................................................................................................... 23

Figure 13: Three-Wire EEPROM Connection......................................................................................... 24

Figure 14: Connections for the RX0 Pin ................................................................................................. 24

Figure 15: Voltage Divider for V1 ........................................................................................................... 25

Figure 16: External Components for RESET: Development Circuit (Left), Production Circuit (Right)....... 25

Figure 17: External Components for the Emulator Interface.................................................................... 26

Figure 18: 64-Pin LQFP Pinout .............................................................................................................. 36

Figure 19: 68-Pin QFN Pinout................................................................................................................ 39