W79E825A Datasheet, PDF (3/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
24 ANALOG-TO-DIGITAL CONVERTER .................................................................................... 101
24.1 ADC Resolution and Analog Supply: .......................................................................... 102
25 I2C SERIAL CONTROL .......................................................................................................... 104
25.1 SIO Port ...................................................................................................................... 104
25.2 The I2C Control Registers: ......................................................................................... 105
25.2.1 The Address Registers, I2ADDR ................................................................................105
25.2.2 The Data Register, I2DAT ..........................................................................................105
25.2.3 The Control Register, I2CON .....................................................................................106
25.2.4 The Status Register, I2STATUS.................................................................................106
25.2.5 The I2C Clock Baud Rate Bits, I2CLK ........................................................................106
25.3 Modes of Operation .................................................................................................... 107
25.3.1 Master Transmitter Mode ...........................................................................................107
25.3.2 Master Receiver Mode ...............................................................................................107
25.3.3 Slave Receiver Mode .................................................................................................107
25.3.4 Slave Transmitter Mode .............................................................................................108
25.4 Data Transfer Flow in Five Operating Modes............................................................. 108
26 ICP(IN-CIRCUIT PROGRAM) FLASH PROGRAM ................................................................ 114
27 CONFIG BITS ......................................................................................................................... 115
27.1 CONFIG1 .................................................................................................................... 115
27.2 CONFIG2 .................................................................................................................... 116
28 ELECTRICAL CHARACTERISTICS....................................................................................... 118
28.1 Absolute Maximum Ratings ........................................................................................ 118
28.2 DC ELECTRICAL CHARACTERISTICS .................................................................... 119
28.3 The ADC Converter DC ELECTRICAL CHARACTERISTICS ................................... 121
28.4 The COMPARATOR ELECTRICAL CHARACTERISTICS ........................................ 121
28.5 AC ELECTRICAL CHARACTERISTICS .................................................................... 121
28.6 EXTERNAL CLOCK CHARACTERISTICS ................................................................ 122
28.7 AC SPECIFICATION .................................................................................................. 122
28.8 TYPICAL APPLICATION CIRCUITS .......................................................................... 122
29 PACKAGE DIMENSIONS ....................................................................................................... 123
29.1 20-pin SOP ................................................................................................................. 123
29.2 20-pin DIP ................................................................................................................... 124
30 REVISION HISTORY .............................................................................................................. 125
Publication Release Date: February 21, 2008
-3-
Revision A9