78m6618-imr/f/p Maxim Integrated Products, Inc., 78m6618-imr/f/p Datasheet - Page 2

• Manufacturer Part Number: 78m6618-imr/f/p
• Description: Octal Power And Energy Measurement Ic
• Manufacturer: Maxim Integrated Products, Inc.

78M6618 Data Sheet
1
2
2
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10 Oscillator................................................................................................................................. 9
1.11 PLL and Internal Clock Generation ........................................................................................ 10
1.12 Real-Time Clock (RTC) ......................................................................................................... 10
1.13 Hardware Watchdog Timer.................................................................................................... 10
1.14 Temperature Sensor ............................................................................................................. 10
1.15 General Purpose Digital I/O................................................................................................... 10
1.16 LCD Drivers .......................................................................................................................... 11
1.17 EEPROM Interface................................................................................................................ 11
1.18 SPI Slave Port ...................................................................................................................... 11
1.19 Test Port ............................................................................................................................... 12
1.20 UARTs .................................................................................................................................. 13
1.21 In Circuit Emulator (ICE) Port ................................................................................................ 13
2.1
2.2
2.3
2.4
2.5
Hardware Functional Description ................................................................................................. 5
Electrical Specifications .............................................................................................................. 14
Hardware Overview................................................................................................................. 5
Device Reset .......................................................................................................................... 7
Power Management ................................................................................................................ 7
Analog Front End (AFE) .......................................................................................................... 7
Digital Computation Engine (CE) ............................................................................................. 8
80515 MPU Core .................................................................................................................... 9
XRAM ..................................................................................................................................... 9
IORAM .................................................................................................................................... 9
FLASH .................................................................................................................................... 9
Absolute Maximum Ratings ................................................................................................... 14
Recommended External Components ................................................................................... 15
Recommended Operating Conditions .................................................................................... 15
Performance Specifications ................................................................................................... 16
Timing Specifications ............................................................................................................ 22
1.3.1 Voltage Regulator ........................................................................................................ 7
1.3.2 Power Fault Management ............................................................................................ 7
1.3.3 BROWNOUT ............................................................................................................... 7
1.3.4 SLEEP mode............................................................................................................... 7
1.4.1 Analog Current and Voltage Inputs .............................................................................. 8
1.6.1 SFR ............................................................................................................................ 9
1.9.1 Program Security......................................................................................................... 9
1.20.1 UART1 (OPT_TX/OPT_RX) ...................................................................................... 13
2.4.1 Input Logic Levels ..................................................................................................... 16
2.4.2 Output Logic Levels ................................................................................................... 16
2.4.3 Power-Fault Comparator ........................................................................................... 16
2.4.4 Battery Monitor .......................................................................................................... 17
2.4.5 Supply Current .......................................................................................................... 17
2.4.6 V3P3D Switch ........................................................................................................... 17
2.4.7 2.5 V Voltage Regulator............................................................................................. 18
2.4.8 Low-Power Voltage Regulator ................................................................................... 18
2.4.9 Crystal Oscillator ....................................................................................................... 18
2.4.10 LCD DAC .................................................................................................................. 18
2.4.11 LCD Drivers............................................................................................................... 19
2.4.12 Optical Interface ........................................................................................................ 19
2.4.13 Temperature Sensor.................................................................................................. 19
2.4.14 VREF ........................................................................................................................ 20
2.4.15 ADC Converter, V3P3A Referenced .......................................................................... 21
2.5.1 Flash Memory ........................................................................................................... 22
2.5.2 EEPROM Interface .................................................................................................... 22
2.5.3 RESET ...................................................................................................................... 22
2.5.4 RTC .......................................................................................................................... 22
2.5.5 SPI Slave Port (MISSION Mode) ............................................................................... 23
Table of Contents
DS_6618_005
Rev. 1.3