I C Compatible Interface..............................................................125
Preliminary Technical Data
LCD Function in PSM2..............................................................92
Flash Memory ..................................................................................94
Overview ......................................................................................94
Flash Memory Organization......................................................95
Using the Flash Memory ............................................................95
Protecting the Flash ....................................................................98
In-Circuit Programming ............................................................99
Timers ............................................................................................ 100
Timer SFR Registers ................................................................ 100
Timer 0 and Timer 1................................................................ 102
Timer 2 ...................................................................................... 103
PLL ................................................................................................. 105
PLL SFR Register List .............................................................. 105
Real Time Clock ........................................................................... 107
RTC SFR Register List ............................................................. 107
Read and Write Operations .................................................... 110
RTC Modes ............................................................................... 110
RTC Interrupts ......................................................................... 110
RTC Calibration ....................................................................... 111
UART Serial Interface.................................................................. 112
UART SFR Registers ................................................................ 112
UART Operation Modes ......................................................... 115
ADE7566/ADE7569
UART Additional Features ......................................................118
Serial Peripheral Interface (SPI)..................................................119
SPI SFR Register List ................................................................119
SPI Pins.......................................................................................122
SPI Master Operating Modes ..................................................123
SPI Interrupt and Status Flags .................................................124
2
Serial Clock Generation ...........................................................125
Slave Addresses..........................................................................125
I 2 C SFR Register List.................................................................125
Read and Write Operations .....................................................126
I 2 C Receive and Transmit FIFOs.............................................127
Dual Data Pointers........................................................................128
I/O Ports .........................................................................................129
Parallel I/O.................................................................................129
I/O SFR Register List ................................................................130
Port 0...........................................................................................133
Port 1...........................................................................................133
Port 2...........................................................................................133
Determining the Version of the ADE7566/ADE7569..............134
Outline Dimensions......................................................................135
Ordering Guide .........................................................................136
UART Baud Rate Generation ................................................. 116
Rev. PrA | Page 3 of 136
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