Owner's manual
Table Of Contents
- Features
- Description
- Applications
- Specifications
- Power Consumption and DC Characteristics
- Switching Performances
- Timing Diagrams: Slow and Fast SPI Interface
- Functional Description
- Sensor and Block Diagram
- Function Registers
- SPI Interface General Description
- Control Interface (Slow SPI)
- Image Capture (Fast SPI)
- Navigation (Slow SPI)
- Temperature Stabilization Function and Watchdog
- Power Management
- Packaging Mechanical Data
- Ordering Information
- Appendix A
- Appendix B
- Appendix C
- Appendix D

12
AT77C104B
5347B–BIOM–08/04
Status Register Register Name:Status (8 bits)
Access Type:Read Only
Function:State of AT77C104B
• CLICK: click detection
0: default
1: click detected
• MOV: movement detection
0: default
1: X or Y movement detected
• TRANSIT: not used, for testing only
• SLICE: not used, for testing only
• READERR: read error detection
0: default, no error
1: read error detected
Note: To clear the interrupts, the status register is initialized after each reading from the host.
b7 b6 b5 b4 b3 b2 b1 b0
CLICK MOV TRANSIT SLICE READERR – – –
00000000