78M6612-IMR/F Maxim Integrated Products, 78M6612-IMR/F Datasheet - Page 2

• Manufacturer Part Number: 78M6612-IMR/F
• Description: IC POWER MEASUREMENT AC 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-IMR/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

78M6612 Data Sheet
1
2
2
Hardware Description ................................................................................................................... 8
1.1
1.2
1.3
1.4
1.5
Functional Description ................................................................................................................ 51
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Hardware Overview .................................................................................................................. 8
Analog Front End (AFE) .......................................................................................................... 9
Digital Computation Engine (CE) ........................................................................................... 12
80515 MPU Core .................................................................................................................. 16
On-Chip Resources ............................................................................................................... 40
Theory of Operation ............................................................................................................... 51
System Timing Summary ...................................................................................................... 52
Battery Modes ....................................................................................................................... 53
Fault and Reset Behavior ...................................................................................................... 60
Wake Up Behavior ................................................................................................................ 61
Data Flow .............................................................................................................................. 61
CE/MPU Communication ...................................................................................................... 62
1.2.1 Input Multiplexer .......................................................................................................... 9
1.2.2 A/D Converter (ADC) ................................................................................................... 9
1.2.3 FIR Filter ................................................................................................................... 10
1.2.4 Voltage References ................................................................................................... 10
1.2.5 Temperature Sensor .................................................................................................. 11
1.2.6 Battery Monitor .......................................................................................................... 11
1.2.7 Functional Description ............................................................................................... 11
1.3.1 Measurement Equations ............................................................................................ 13
1.3.2 Real-Time Monitor ..................................................................................................... 13
1.3.3 Pulse Generator ........................................................................................................ 13
1.3.4 CE Functional Overview ............................................................................................. 14
1.4.1 Memory Organization ................................................................................................. 17
1.4.2 Special Function Registers (SFRs) ............................................................................ 19
1.4.3 Special Function Registers (Generic 80515 SFRs) .................................................... 20
1.4.4 Special Function Registers Specific to the 78M6612 ................................................. 22
1.4.5 Instruction Set ........................................................................................................... 24
1.4.6 UARTs ....................................................................................................................... 24
1.4.7 Timers and Counters ................................................................................................. 27
1.4.8 WD Timer (Software Watchdog Timer) ....................................................................... 29
1.4.9 Interrupts ................................................................................................................... 31
1.5.1 Oscillator ................................................................................................................... 40
1.5.2 PLL and Internal Clocks ............................................................................................ 40
1.5.3 Real-Time Clock (RTC) .............................................................................................. 40
1.5.4 Temperature Sensor .................................................................................................. 41
1.5.5 Physical Memory ....................................................................................................... 41
1.5.6 Optical Interface ........................................................................................................ 42
1.5.7 Digital I/O .................................................................................................................. 43
1.5.8 LCD Drivers ............................................................................................................... 45
1.5.9 Battery Monitor .......................................................................................................... 45
1.5.10 EEPROM Interface .................................................................................................... 46
1.5.11 Hardware Watchdog Timer ........................................................................................ 49
1.5.12 Program Security ....................................................................................................... 49
1.5.13 Test Ports .................................................................................................................. 50
2.3.1 BROWNOUT Mode ................................................................................................... 54
2.3.2 LCD Mode ................................................................................................................. 55
2.3.3 SLEEP Mode ............................................................................................................. 55
2.5.1 Wake on Timer .......................................................................................................... 61
Table of Contents
DS_6612_001
Rev. 1.2