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
35
AT77C104B
5347B–BIOM–08/04
Appendix D
Example of an Interrupt
Generated by a
Movement Detection
Interrupts Masked
SSS/ = 0
Yes
No
No
Yes
NAVIGATION Reading
Requested
Sending of 0b11100000
Transfer
Ended ?
No
Yes
STATUS Reading Requested
Sending of 0b11000000
Reception of the Command
Interrupts Control
Detection of Movement
Sending of Dummy Data
0b00000000
Reception of the 3 Navigations
3 Registers
Values Sent ?
No
Yes
Sending of the 3
Navigation Registers
SSS/ = 1
Interrupts enabled
Sensor
Controller
Reception of the Command
Reading of NAVIGATION
Sending of STATUS
Interrupts Cleared
Transfer
Ended ?
Transfer
Ended ?
Main Program
Interrup ?
No
Sending of Dummy Data
0b00000000
Reception of STATUS
Interrupt Generated
IRQ/ = 0