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
Bits Name Description Type Reset
14 EP7_IN WC 0x0
13 EP6_OUT WC 0x0
12 EP6_IN WC 0x0
11 EP5_OUT WC 0x0
10 EP5_IN WC 0x0
9 EP4_OUT WC 0x0
8 EP4_IN WC 0x0
7 EP3_OUT WC 0x0
6 EP3_IN WC 0x0
5 EP2_OUT WC 0x0
4 EP2_IN WC 0x0
3 EP1_OUT WC 0x0
2 EP1_IN WC 0x0
1 EP0_OUT WC 0x0
0 EP0_IN WC 0x0
USB: USB_MUXING Register
Offset: 0x74
Description
Where to connect the USB controller. Should be to_phy by default.
Table 423.
USB_MUXING Register
Bits Name Description Type Reset
31:4 Reserved. - - -
3 SOFTCON RW 0x0
2 TO_DIGITAL_PAD RW 0x0
1 TO_EXTPHY RW 0x0
0 TO_PHY RW 0x0
USB: USB_PWR Register
Offset: 0x78
Description
Overrides for the power signals in the event that the VBUS signals are not hooked up to GPIO. Set the value of the
override and then the override enable to switch over to the override value.
Table 424. USB_PWR
Register
Bits Name Description Type Reset
31:6 Reserved. - - -
5 OVERCURR_DETECT_EN RW 0x0
4 OVERCURR_DETECT RW 0x0
3 VBUS_DETECT_OVERRIDE_EN RW 0x0
RP2040 Datasheet
4.1. USB 428