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
7 Reserved. - - -
6 DM_PULLDN_EN DM pull down enable RW 0x0
5 DM_PULLUP_EN DM pull up enable RW 0x0
4 DM_PULLUP_HISE
L
Enable the second DM pull up resistor. 0 - Pull = Rpu2; 1 -
Pull = Rpu1 + Rpu2
RW 0x0
3 Reserved. - - -
2 DP_PULLDN_EN DP pull down enable RW 0x0
1 DP_PULLUP_EN DP pull up enable RW 0x0
0 DP_PULLUP_HISE
L
Enable the second DP pull up resistor. 0 - Pull = Rpu2; 1 -
Pull = Rpu1 + Rpu2
RW 0x0
USB: USBPHY_DIRECT_OVERRIDE Register
Offset: 0x80
Description
Override enable for each control in usbphy_direct
Table 426.
USBPHY_DIRECT_OVE
RRIDE Register
Bits Name Description Type Reset
31:16 Reserved. - - -
15 TX_DIFFMODE_OVERRIDE_EN RW 0x0
14:13 Reserved. - - -
12 DM_PULLUP_OVERRIDE_EN RW 0x0
11 TX_FSSLEW_OVERRIDE_EN RW 0x0
10 TX_PD_OVERRIDE_EN RW 0x0
9 RX_PD_OVERRIDE_EN RW 0x0
8 TX_DM_OVERRIDE_EN RW 0x0
7 TX_DP_OVERRIDE_EN RW 0x0
6 TX_DM_OE_OVERRIDE_EN RW 0x0
5 TX_DP_OE_OVERRIDE_EN RW 0x0
4 DM_PULLDN_EN_OVERRIDE_EN RW 0x0
3 DP_PULLDN_EN_OVERRIDE_EN RW 0x0
2 DP_PULLUP_EN_OVERRIDE_EN RW 0x0
1 DM_PULLUP_HISEL_OVERRIDE_EN RW 0x0
0 DP_PULLUP_HISEL_OVERRIDE_EN RW 0x0
USB: USBPHY_TRIM Register
Offset: 0x84
Description
Used to adjust trim values of USB phy pull down resistors.
RP2040 Datasheet
4.1. USB 430