1. TM Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. AN4245: Using a RCA Camera for line detection Francisco Ramírez – FAE Scale Model Autonomous Racing : High Speeds and High Tech

2. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 1 CM-26N/P CMOS ► Pixel matrix array ► 1vpp@75ohms output ► Color RCA camera ► Lens of 7.9mm ► No control signals ► Only one output signal ► Complete image view ► Changeable lens ► Auto gain ► Auto contrast ► Auto focused

3. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. ► 30 frames per second ► 525 scanlines ► Horizontal sync ► Color encoding 2 RCA signal Output from the camera

4. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 3 RCA signal Vertical synchronization ► Vertical sync ► ~1ms

5. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 4 CM-26N/P CMOS / RCA signal

6. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 5 Processing the RCA signal

7. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 6 Processing the RCA signal

8. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 7 Processing the RCA signal

9. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 8 High level code Code developed by user Code for gathering image Low level drivers Driver_ ADC ADC Watchdog ADC Scan Mode AN4245: Using a RCA camera for Line Detection Configurations set to interface MPC5604B to the RCA: core running @64 MHz ADC module in scan mode – 1MHz speed for one conversion every 1μs Interrupts with the end of conversion on the ADC module ADC watchdog to increase performance

10. Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 9

11. For more information And for a better reference, go to www.freescale.com …www.freescale.com 10 …and download the documentation and example code as AN4245SW.