PRELIMINARY
PSoC® 5: CY8C55 Family Datasheet
Contents
1. Architectural Overview ................................................3
2. Pinouts ..........................................................................5
3. Pin Descriptions ...........................................................9
4. CPU ................................................................................9
4.1 ARM Cortex-M3 CPU ............................................9
4.2 Cache Controller .................................................11
4.3 DMA and PHUB ..................................................11
4.4 Interrupt Controller ..............................................13
5. Memory ........................................................................15
5.1 Static RAM ..........................................................15
5.2 Flash Program Memory .......................................15
5.3 Flash Security ......................................................15
5.4 EEPROM .............................................................15
5.5 External Memory Interface ..................................15
5.6 Memory Map .......................................................16
6. System Integration .....................................................17
6.1 Clocking System ..................................................17
6.2 Power System .....................................................20
6.3 Reset ...................................................................24
6.4 I/O System and Routing ......................................25
7. Digital Subsystem ......................................................31
7.1 Example Peripherals ...........................................31
7.2 Universal Digital Block .........................................34
7.3 UDB Array Description ........................................37
7.4 DSI Routing Interface Description .......................37
7.5 CAN .....................................................................39
7.6 USB .....................................................................40
7.7 Timers, Counters, and PWMs .............................40
7.8 I2C .......................................................................41
7.9 Digital Filter Block ................................................41
8. Analog Subsystem .....................................................42
8.1 Analog Routing ....................................................42
8.2 Delta-sigma ADC .................................................44
8.3 Successive Approximation ADC ..........................45
8.4 Comparators ........................................................45
8.5 Opamps ...............................................................47
8.6 Programmable SC/CT Blocks .............................47
8.7 LCD Direct Drive .................................................48
8.8 CapSense ............................................................49
8.9 Temp Sensor .......................................................49
8.10 DAC ...................................................................49
8.11 Up/Down Mixer ..................................................50
8.12 Sample and Hold ...............................................50
9. Programming, Debug Interfaces, Resources ...........50
9.1 JTAG Interface ....................................................51
9.2 SWD Interface .....................................................51
9.3 Debug Features ...................................................51
9.4 Trace Features ....................................................51
9.5 SWV and TRACEPORT Interfaces .....................52
9.6 Programming Features ........................................52
9.7 Device Security ...................................................52
10. Development Support ..............................................52
10.1 Documentation ..................................................52
10.2 Online ................................................................53
10.3 Tools ..................................................................53
11. Electrical Specifications ..........................................54
11.1 Absolute Maximum Ratings ...............................54
11.2 Device Level Specifications ...............................55
11.3 Power Regulators ..............................................57
11.4 Inputs and Outputs ............................................58
11.5 Analog Peripherals ............................................63
11.6 Digital Peripherals .............................................77
11.7 Memory .............................................................81
11.8 PSoC System Resources ..................................86
11.9 Clocking .............................................................88
12. Ordering Information ................................................91
12.1 Part Numbering Conventions ............................93
13. Packaging ..................................................................94
14. Acronyms ..................................................................96
15. Reference Documents ..............................................97
16. Document Conventions ...........................................98
16.1 Units of Measure ...............................................98
17. Revision History .......................................................99
18. Sales, Solutions, and Legal Information ..............102
Document Number: 001-44094 Rev. *J
Page 2 of 102
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