Datasheet
Table Of Contents
- RP2040 Datasheet
- Colophon
- Chapter 1. Introduction
- Chapter 2. System Description
- 2.1. Bus Fabric
- 2.2. Address Map
- 2.3. Processor subsystem
- 2.4. Cortex-M0+
- 2.5. DMA
- 2.6. Memory
- 2.7. Boot Sequence
- 2.8. Bootrom
- 2.9. Power Supplies
- 2.10. Core Supply Regulator
- 2.11. Power Control
- 2.12. Chip-Level Reset
- 2.13. Power-On State Machine
- 2.14. Subsystem Resets
- 2.15. Clocks
- 2.16. Crystal Oscillator (XOSC)
- 2.17. Ring Oscillator (ROSC)
- 2.18. PLL
- 2.19. GPIO
- 2.20. Sysinfo
- 2.21. Syscfg
- 2.22. TBMAN
- Chapter 3. PIO
- Chapter 4. Peripherals
- 4.1. USB
- 4.2. UART
- 4.3. I2C
- 4.3.1. Features
- 4.3.2. IP Configuration
- 4.3.3. I2C Overview
- 4.3.4. I2C Terminology
- 4.3.5. I2C Behaviour
- 4.3.6. I2C Protocols
- 4.3.7. Tx FIFO Management and START, STOP and RESTART Generation
- 4.3.8. Multiple Master Arbitration
- 4.3.9. Clock Synchronization
- 4.3.10. Operation Modes
- 4.3.11. Spike Suppression
- 4.3.12. Fast Mode Plus Operation
- 4.3.13. Bus Clear Feature
- 4.3.14. IC_CLK Frequency Configuration
- 4.3.15. DMA Controller Interface
- 4.3.16. Operation of Interrupt Registers
- 4.3.17. List of Registers
- 4.4. SPI
- 4.5. PWM
- 4.6. Timer
- 4.7. Watchdog
- 4.8. RTC
- 4.9. ADC and Temperature Sensor
- 4.10. SSI
- 4.10.1. Overview
- 4.10.2. Features
- 4.10.3. IP Modifications
- 4.10.4. Clock Ratios
- 4.10.5. Transmit and Receive FIFO Buffers
- 4.10.6. 32-Bit Frame Size Support
- 4.10.7. SSI Interrupts
- 4.10.8. Transfer Modes
- 4.10.9. Operation Modes
- 4.10.10. Partner Connection Interfaces
- 4.10.11. DMA Controller Interface
- 4.10.12. APB Interface
- 4.10.13. List of Registers
- Chapter 5. Electrical and Mechanical
- Appendix A: Register Field Types
- Appendix B: Errata
- Appendix C: Documentation Release History
Appendix C: Documentation Release
History
Table 638.
Documentation
Release History
Release Date Description
1.0 21/Jan/2021
•
Initial release
1.1 26/Jan/2021
•
Minor corrections
•
Extra information about using DMA with ADC
•
Clarified M0+ and SIO CPUID registers
•
Added more discussion of Timers
•
Update Windows and macOS build instructions
•
Renamed books and optimised size of output PDFs
1.2 01/Feb/2021
•
Minor corrections
•
Small improvements to PIO documentation
•
Added missing TIMER2 and TIMER3 registers to DMA
•
Explained how to get MicroPython REPL on UART
•
To accompany the V1.0.1 release of the C SDK
1.3 23/Feb/2021
•
Minor corrections
•
Changed font
•
Additional documentation on sink/source limits for RP2040
•
Major improvements to SWD documentation
•
Updated MicroPython build instructions
•
MicroPython UART example code
•
Updated Thonny instructions
•
Updated Project Generator instructions
•
Added a FAQ document
•
Added errata E7, E8 and E9
1.3.1 05/Mar/2021
•
Minor corrections
•
To accompany the V1.1.0 release of the C SDK
•
Improved MicroPython UART example
•
Improved Pinout diagram
1.4 07/Apr/2021
•
Minor corrections
•
Added errata E10
•
Note about how to update the C SDK from Github
•
To accompany the V1.1.2 release of the C SDK
RP2040 Datasheet
Appendix C: Documentation Release History 646