B.4.3 Analog Features ......................................................................................................................... 87
B.4.4 Serial Communication ............................................................................................................... 88
B.4.4.1 RS-232 .............................................................................................................................. 88
C.1 Power Supplies .................................................................................................................................. 93
C.1.1 Battery Backup .......................................................................................................................... 93
C.1.2 Battery-Backup Circuit .............................................................................................................. 94
C.1.3 Reset Generator.......................................................................................................................... 94
C.2 Powerdown Mode.............................................................................................................................. 95
93
96
102
105