ix
4. Registers............................................................................................................................ 911
5. Operation........................................................................................................................... 913
6. Setting................................................................................................................................ 914
7. Q & A................................................................................................................................. 915
8. Caution.............................................................................................................................. 916
Chapter 46 Alarm Comparator .......................................................................... 917
1. Overview............................................................................................................................ 917
2. Block Diagram .................................................................................................................. 917
3. Alarm Comparator Control/Status Register (ACSR).......................................................... 918
4. Operation Modes............................................................................................................... 919
Chapter 47 LCD Controller ................................................................................ 921
1. Overview............................................................................................................................ 921
2. Features............................................................................................................................. 921
3. Configuration..................................................................................................................... 922
4. Registers............................................................................................................................ 924
5. Operation........................................................................................................................... 929
6. Setting................................................................................................................................ 934
7. Q&A................................................................................................................................... 935
8. Caution.............................................................................................................................. 940
Chapter 48 Clock Monitor.................................................................................. 941
1. Overview............................................................................................................................ 941
2. Features............................................................................................................................. 941
3. Configuration..................................................................................................................... 942
4. Register............................................................................................................................. 943
5. Operation........................................................................................................................... 945
6. Settings.............................................................................................................................. 946
7. Q&A................................................................................................................................... 946
8. Caution.............................................................................................................................. 947
Chapter 49 Real-Time Clock.............................................................................. 949
1. Overview............................................................................................................................ 949
2. Features............................................................................................................................. 949
3. Configuration..................................................................................................................... 950
4. Registers............................................................................................................................ 951
5. Operation........................................................................................................................... 956
6. Setting................................................................................................................................ 958
7. Q&A................................................................................................................................... 959
8. Caution.............................................................................................................................. 961
Chapter 50 Subclock Calibration Unit.............................................................. 963
1. Overview............................................................................................................................ 963
2. Block Diagram................................................................................................................... 964
3. Timing................................................................................................................................ 965
4. Clocks................................................................................................................................ 966
5. Register Description.......................................................................................................... 967