ade7169f16 Analog Devices, Inc., ade7169f16 Datasheet - Page 5

• Manufacturer Part Number: ade7169f16
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc And Lcd Driver
• Manufacturer: Analog Devices, Inc.

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