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
5.2.2.2. Pin List
Table 622. GPIO pins
Name Number Type Power Domain Reset State Description
GPIO0 2 Digital IO (FT) IOVDD Pull-Down User IO
GPIO1 3 Digital IO (FT) IOVDD Pull-Down User IO
GPIO2 4 Digital IO (FT) IOVDD Pull-Down User IO
GPIO3 5 Digital IO (FT) IOVDD Pull-Down User IO
GPIO4 6 Digital IO (FT) IOVDD Pull-Down User IO
GPIO5 7 Digital IO (FT) IOVDD Pull-Down User IO
GPIO6 8 Digital IO (FT) IOVDD Pull-Down User IO
GPIO7 9 Digital IO (FT) IOVDD Pull-Down User IO
GPIO8 11 Digital IO (FT) IOVDD Pull-Down User IO
GPIO9 12 Digital IO (FT) IOVDD Pull-Down User IO
GPIO10 13 Digital IO (FT) IOVDD Pull-Down User IO
GPIO11 14 Digital IO (FT) IOVDD Pull-Down User IO
GPIO12 15 Digital IO (FT) IOVDD Pull-Down User IO
GPIO13 16 Digital IO (FT) IOVDD Pull-Down User IO
GPIO14 17 Digital IO (FT) IOVDD Pull-Down User IO
GPIO15 18 Digital IO (FT) IOVDD Pull-Down User IO
GPIO16 27 Digital IO (FT) IOVDD Pull-Down User IO
GPIO17 28 Digital IO (FT) IOVDD Pull-Down User IO
GPIO18 29 Digital IO (FT) IOVDD Pull-Down User IO
GPIO19 30 Digital IO (FT) IOVDD Pull-Down User IO
GPIO20 31 Digital IO (FT) IOVDD Pull-Down User IO
GPIO21 32 Digital IO (FT) IOVDD Pull-Down User IO
GPIO22 34 Digital IO (FT) IOVDD Pull-Down User IO
GPIO23 35 Digital IO (FT) IOVDD Pull-Down User IO
GPIO24 36 Digital IO (FT) IOVDD Pull-Down User IO
GPIO25 37 Digital IO (FT) IOVDD Pull-Down User IO
GPIO26 / ADC0 38 Digital IO /
Analogue
IOVDD /
ADC_AVDD
Pull-Down User IO or ADC
input
GPIO27 / ADC1 39 Digital IO /
Analogue
IOVDD /
ADC_AVDD
Pull-Down User IO or ADC
input
GPIO28 / ADC2 40 Digital IO /
Analogue
IOVDD /
ADC_AVDD
Pull-Down User IO or ADC
input
GPIO29 / ADC3 41 Digital IO /
Analogue
IOVDD /
ADC_AVDD
Pull-Down User IO or ADC
input
Table 623. QSPI pins
RP2040 Datasheet
5.2. Pinout 631