
RX - 4045 SA / NB
Contents
1. Overview........................................................................................................................1
2. Block Diagram ...............................................................................................................1
3. Description of Pins.........................................................................................................2
3.1. Pin Layout ........................................................................................................................................2
3.2. Pin Functions....................................................................................................................................2
4. Absolute Maximum Ratings ...........................................................................................3
5. Recommended Operating Conditions ............................................................................3
6. Frequency Characteristics .............................................................................................3
7. Electrical Characteristics................................................................................................4
7.1. DC Electrical Characteristics............................................................................................................4
7.2. AC Electrical Characteristics ............................................................................................................5
8. Functional descriptions ..................................................................................................6
8.1. Overview of Functions ......................................................................................................................6
8.2. Description of Registers ...................................................................................................................7
8.3. Clock Precision Adjustment Function.............................................................................................14
8.4. Periodic Interrupt Function .............................................................................................................16
8.5. Alarm W function............................................................................................................................18
8.6. Alarm D function.............................................................................................................................20
8.7. /INT Output during Operation of Interrupt Function ........................................................................21
8.8. The various detection Functions ....................................................................................................22
8.9. Read/Write of Data.........................................................................................................................25
8.10. External Connection Example ......................................................................................................30
9. External Dimensions / Marking Layout.........................................................................31
9.1. External Dimensions.......................................................................................................................31
9.2. Marking Layout ...............................................................................................................................31
10. Reference Data .........................................................................................................32
11. Application notes .......................................................................................................33