FDS_6533_6534_004
71M6533/71M6534 Data Sheet
Figures
Figure 1: IC Functional Block Diagram .........................................................................................................8
Figure 2: General Topology of a Chopped Amplifier ..................................................................................12
Figure 3: CROSS Signal with CHOP_E = 00..............................................................................................13
Figure 4: AFE Block Diagram .....................................................................................................................14
Figure 5: Samples from Multiplexer Cycle ..................................................................................................17
Figure 6: Accumulation Interval ..................................................................................................................17
Figure 7: Interrupt Structure........................................................................................................................36
Figure 8: Optical Interface...........................................................................................................................42
Figure 9: Connecting an External Load to DIO Pins...................................................................................45
Figure 10: 3-wire Interface. Write Command, HiZ=0. ................................................................................48
Figure 11: 3-wire Interface. Write Command, HiZ=1 .................................................................................48
Figure 12: 3-wire Interface. Read Command.............................................................................................48
Figure 13: 3-Wire Interface. Write Command when CNT=0......................................................................49
Figure 14: 3-wire Interface. Write Command when HiZ=1 and WFR=1....................................................49
Figure 15: SPI Slave Port: Typical Read and Write operations..................................................................50
Figure 16: Functions defined by V1 ............................................................................................................51
Figure 17: Voltage, Current, Momentary and Accumulated Energy...........................................................53
Figure 18: Timing Relationship between ADC MUX and Compute Engine................................................54
Figure 19: RTM Output Format...................................................................................................................54
Figure 20: Operation Modes State Diagram ...............................................................................................55
Figure 21: Functional Blocks in BROWNOUT Mode ..................................................................................58
Figure 22: Functional Blocks in LCD Mode.................................................................................................59
Figure 23: Functional Blocks in SLEEP Mode............................................................................................60
Figure 24: Transition from BROWNOUT to MISSION Mode when System Power Returns ......................61
Figure 25: Power-Up Timing with V3P3SYS and VBAT tied together........................................................61
Figure 26: Power-Up Timing with VBAT only..............................................................................................62
Figure 27: Wake Up Timing ........................................................................................................................63
Figure 28: MPU/CE Data Flow....................................................................................................................64
Figure 29: MPU/CE Communication...........................................................................................................64
Figure 30: Resistive Voltage Divider...........................................................................................................65
Figure 31: CT with Single Ended (Left) and Differential Input (Right) Connection .....................................65
Figure 32: Resistive Shunt (Left), Rogowski Sensor (Right) ......................................................................65
Figure 33: Connecting LCDs.......................................................................................................................68
Figure 34: I2C EEPROM Connection ..........................................................................................................68
Figure 35: Three-Wire EEPROM Connection.............................................................................................69
Figure 36: Connections for UART0.............................................................................................................69
Figure 37: Connection for Optical Components..........................................................................................70
Figure 38: Voltage Divider for V1................................................................................................................71
Figure 39: External Components for the RESET Pin: Push-Button (Left), Production Circuit (Right)........71
Figure 40: External Components for the Emulator Interface ......................................................................72
Figure 41: Connecting a Battery .................................................................................................................72
Figure 42: CE Data Flow: Multiplexer and ADC........................................................................................100
Figure 43: CE Data Flow: Scaling, Gain Control, Intermediate Variables ................................................100
Figure 44: CE Data Flow: Squaring and Summation Stages....................................................................101
Figure 45: SPI Slave Port (MISSION Mode) Timing.................................................................................111
Figure 46: Wh Accuracy (0.1 A - 200 A, 240 V, Room Temperature) at Various Frequencies (Differential
Mode, CTs) ........................................................................................................................................112
Figure 47: Typical Wh Accuracy (0.02 A - 200 A, 240 V, Room Temperature), Various Load Angles
(Differential Mode, CTs).....................................................................................................................112
Figure 48: 71M6533/6533H 100-pin LQFP Package Outline ...................................................................113
Figure 49: 71M6534/6534H 120-pin LQFP Package Outline ...................................................................114
Figure 50: Pinout for 71M6533/71M6533H LQFP-100 Package..............................................................115
Figure 51: Pinout for 71M6534/71M6534H LQFP-120 Package..............................................................116
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