
W79E804A/803A/802A
Publication Release Date: July 16, 2007
- 3 -
Revision A2
24.
I2C SERIAL CONTROL............................................................................................................95
24.1
SIO Port........................................................................................................................ 95
24.2
The I2C Control Registers:...........................................................................................96
24.2.1
24.2.2
24.2.3
24.2.4
24.2.5
24.3
Modes of Operation ...................................................................................................... 98
24.3.1
24.3.2
24.3.3
24.3.4
24.4
Data Transfer Flow in Five Operating Modes...............................................................99
ICP (IN-CIRCUIT PROGRAM) FLASH PROGRAM ............................................................... 105
CONFIG BITS ......................................................................................................................... 106
26.1
CONFIG1....................................................................................................................106
26.2
CONFIG2....................................................................................................................107
ELECTRICAL CHARACTERISTICS.......................................................................................108
27.1
Absolute Maximum Ratings........................................................................................108
27.2
DC ELECTRICAL CHARACTERISTICS .................................................................... 108
27.3
The COMPARATOR ELECTRICAL CHARACTERISTICS ........................................ 110
27.4
AC ELECTRICAL CHARACTERISTICS .................................................................... 110
27.5
EXTERNAL CLOCK CHARACTERISTICS ................................................................110
27.6
AC SPECIFICATION ..................................................................................................111
27.7
TYPICAL APPLICATION CIRCUITS..........................................................................111
PACKAGE DIMENSIONS.......................................................................................................112
28.1
20L SOP-300mil..........................................................................................................112
28.2
20L PDIP 300mil.........................................................................................................113
REVISION HISTORY..............................................................................................................114
The Address Registers, I2ADDR..................................................................................96
The Data Register, I2DAT ............................................................................................96
The Control Register, I2CON .......................................................................................97
The Status Register, I2STATUS...................................................................................97
The I2C Clock Baud Rate Bits, I2CLK..........................................................................97
Master Transmitter Mode .............................................................................................98
Master Receiver Mode .................................................................................................98
Slave Receiver Mode ...................................................................................................99
Slave Transmitter Mode ...............................................................................................99
25.
26.
27.
28.
29.