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ADE7169F16 Datasheet(PDF) 5 Page - Analog Devices

Part No. ADE7169F16
Description  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7169F16 Datasheet(HTML) 5 Page - Analog Devices

 
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Preliminary Technical Data
ADE7169F16
Rev. PrD | Page 5 of 140
Instruction set..............................................................................76
Read-Modify-Write Instructions ..............................................79
Instructions that Affect Flags ....................................................79
Interrupt System ..............................................................................82
Standard 8051 Interrupt Architecture......................................82
ADE7169F16 Interrupt Architecture .......................................82
Interrupt SFR register list...........................................................82
Interrupt Priority.........................................................................84
Interrupt Flags .............................................................................84
Interrupt Vectors .........................................................................87
Watch DOG Functionality.........................................................87
Watchdog Timer Interrupt ....................................................87
Context Saving.............................................................................87
LCD Driver ......................................................................................88
LCD SFR Register list .................................................................88
LCD Setup ....................................................................................92
LCD Timing and Waveforms ....................................................92
BLINK mode................................................................................93
Software Controlled Blink Mode ..........................................93
Automatic Blink Mode ...........................................................93
Display Element Control............................................................93
Writing to LCD Data registers ..............................................93
Reading LCD Data registers ..................................................93
Voltage generation.......................................................................93
Power Consumption...............................................................94
Contrast control ......................................................................94
Lifetime Performance.............................................................94
LCD External Circuitry..............................................................94
LCD Function in PSM2..............................................................94
Example LCD Setup....................................................................95
Flash memory ..................................................................................96
Flash memory Overview............................................................96
Flash/EE Memory Reliability ................................................96
Flash memory organization.......................................................96
Using the Flash Memory............................................................97
ECON—Flash/EE Memory Control SFR ............................97
Flash functions ......................................................................100
Protecting the Flash..............................................................100
Flash memory timing ...........................................................102
In circuit programming............................................................102
Serial Downloading ..............................................................102
Timers.............................................................................................103
Timer sfr register list ................................................................103
Timer 0 and Timer 1.................................................................106
Timer/Counter 0 and 1 Data Registers ..............................106
Timer/Counter 0 and 1 Operating Modes ........................106
Timer 2 .......................................................................................107
Timer/Counter 2 Data Registers.........................................107
Timer/Counter 2 Operating Modes ...................................107
PLL ..................................................................................................109
PLL SFR register list..................................................................109
RTC - Real Time Clock ................................................................111
RTC SFR register list.................................................................111
Read and Write operations ......................................................114
Writing the RTC Registers...................................................114
Reading the RTC Counter SFRs .........................................114
RTC Modes ................................................................................114
RTC Interrupts ..........................................................................114
Interval Timer Alarm ...........................................................114
RTC CalibrationRTC................................................................114
UART serial interface ...................................................................116
UART SFR register list..............................................................116
UART operation modes ...........................................................119
Mode 0 (Shift Register with baud rate fixed at Fcore /12)
.................................................................................................119
Mode 1 (8-Bit UART, Variable Baud Rate)........................119


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