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