78M6618 Data Sheet
DS_6618_005
Table of Contents
1
Hardware Functional Description......................................................................................................5
1.1 Hardware Overview .....................................................................................................................5
1.2 Device Reset................................................................................................................................7
1.3 Power Management.....................................................................................................................7
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 Analog Front End (AFE)...............................................................................................................7
1.4.1 Analog Current and Voltage Inputs .................................................................................8
1.5 Digital Computation Engine (CE).................................................................................................8
1.6 80515 MPU Core .........................................................................................................................8
1.6.1 SFR..................................................................................................................................9
1.7 XRAM...........................................................................................................................................9
1.8 IORAM .........................................................................................................................................9
1.9 FLASH..........................................................................................................................................9
1.9.1 Program Security.............................................................................................................9
1.10 Oscillator......................................................................................................................................9
1.11 PLL and Internal Clock Generation..............................................................................................9
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
1.20.1 UART1 (OPT_TX/OPT_RX) ..........................................................................................13
1.21 In Circuit Emulator (ICE) Port ....................................................................................................13
2
Electrical Specifications...................................................................................................................14
2.1 Absolute Maximum Ratings.......................................................................................................14
2.2 Recommended External Components.......................................................................................15
2.3 Recommended Operating Conditions........................................................................................15
2.4 Performance Specifications.......................................................................................................16
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 Timing Specifications.................................................................................................................22
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
2
Rev. 1.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
