Renesas RC22312A - Table of Contents

RC22312A/RC32312A Evaluation Board Manual
R31UH0022EU0100 Rev.1.00
Mar 28, 2023
Page 2
Contents
1. Functional Description ................................................................................................................................. 4
1.1 Operational Characteristics .................................................................................................................. 4
1.2 Hardware Setup and Configuration ...................................................................................................... 4
1.2.1. Power and USB-C Connections to Computer Host ................................................................ 8
1.2.2. Overdrive the XIN with an External Signal ............................................................................. 9
1.2.3. On-board Crystal Mount ....................................................................................................... 10
1.2.4. On-board XO Mount ............................................................................................................. 11
1.2.5. Clock Inputs.......................................................................................................................... 13
1.2.6. Clock Outputs ....................................................................................................................... 14
1.2.7. Serial Connection ................................................................................................................. 15
1.2.8. On-board EEPROM .............................................................................................................. 15
1.2.9. GPIO DIP Switch Selectors .................................................................................................. 17
1.3 Software Setup and Configuration ...................................................................................................... 17
1.3.1. Prepare the Software ........................................................................................................... 17
1.3.2. Launch the GUI .................................................................................................................... 18
1.3.3. Configure the Evaluation Board............................................................................................ 20
2. Board Design .............................................................................................................................................. 21
2.1 Bill of Materials (BOM) ........................................................................................................................ 23
3. Typical Performance Graphs ..................................................................................................................... 26
4. Ordering Information .................................................................................................................................. 27
5. Revision History ......................................................................................................................................... 27
Figures
Figure 1. RC32312A Block Diagram....................................................................................................................... 1
Figure 2. Evaluation Board ..................................................................................................................................... 5
Figure 3. USB Power Jumpers ............................................................................................................................... 8
Figure 4. External 5V Board Input .......................................................................................................................... 9
Figure 5. External 5V Schematic ............................................................................................................................ 9
Figure 6. J90 Board Input ....................................................................................................................................... 9
Figure 7. VDD Jumper Bypass Schematic ............................................................................................................. 9
Figure 8. XIN Pin Overdrive Schematic ................................................................................................................ 10
Figure 9. Crystal Mount Schematic....................................................................................................................... 10
Figure 10. EVB XO Pads ...................................................................................................................................... 11
Figure 11. XO Path Connection Schematic .......................................................................................................... 11
Figure 12. XO Schematic ..................................................................................................................................... 12
Figure 13. XO OE Pin Header Schematic ............................................................................................................ 12
Figure 14. Input Clock Termination Schematic ..................................................................................................... 13
Figure 15. Input Clock Pull-up/down Schematic ................................................................................................... 13
Figure 16. Output Type Options ........................................................................................................................... 14
Figure 17. LVDS Input Clock Termination ............................................................................................................ 14
Figure 18. HCSL Input Clock Termination ............................................................................................................ 14
Figure 19. Communication Setup for I
2
C Mode .................................................................................................... 15