Transcription of Colophon - Raspberry Pi
1 ColophonCopyright 2020-2023 Raspberry Pi Ltd (formerly Raspberry Pi (Trading) Ltd.)The documentation of the RP2040 microcontroller is licensed under a Creative Commons Attribution-NoDerivatives (CC BY-ND).Portions Copyright 2019 Synopsys, rights reserved. Used with permission. Synopsys & DesignWare are registered trademarks of Synopsys, Copyright 2000-2001, 2005, 2007, 2009, 2011-2012, 2016 ARM rights reserved. Used with : 2023-06-14build-version: a6fe703-cleanAbout the SDKT hroughout the text "the SDK" refers to our Raspberry Pi Pico SDK. More details about the SDK can befound in the Raspberry Pi Pico C/C++ SDK book. Source code included in the documentation isCopyright 2020-2023 Raspberry Pi Ltd (formerly Raspberry Pi (Trading) Ltd.) and licensed under the 3-Clause BSD disclaimer noticeTECHNICAL AND RELIABILITY DATA FOR Raspberry PI PRODUCTS (INCLUDING DATASHEETS) AS MODIFIED FROMTIME TO TIME ( RESOURCES ) ARE PROVIDED BY Raspberry PI LTD ( RPL ) "AS IS" AND ANY EXPRESS OR IMPLIEDWARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESSFOR A PARTICULAR PURPOSE ARE DISCLAIMED.
2 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW IN NOEVENT SHALL RPL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIALDAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OFTHE USE OF THE RESOURCES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH reserves the right to make any enhancements, improvements, corrections or any other modifications to theRESOURCES or any products described in them at any time and without further RESOURCES are intended for skilled users with suitable levels of design knowledge. Users are solely responsible fortheir selection and use of the RESOURCES and any application of the products described in them.
3 User agrees toindemnify and hold RPL harmless against all liabilities, costs, damages or other losses arising out of their use of grants users permission to use the RESOURCES solely in conjunction with the Raspberry Pi products. All other useof the RESOURCES is prohibited. No licence is granted to any other RPL or other third party intellectual property RISK ACTIVITIES. Raspberry Pi products are not designed, manufactured or intended for use in hazardousenvironments requiring fail safe performance, such as in the operation of nuclear facilities, aircraft navigation orcommunication systems, air traffic control, weapons systems or safety-critical applications (including life supportsystems and other medical devices), in which the failure of the products could lead directly to death, personal injury orsevere physical or environmental damage ( High Risk Activities ).
4 RPL specifically disclaims any express or impliedwarranty of fitness for High Risk Activities and accepts no liability for use or inclusions of Raspberry Pi products in HighRisk Pi products are provided subject to RPL s Standard Terms. RPL s provision of the RESOURCES does notexpand or otherwise modify RPL s Standard Terms including but not limited to the disclaimers and warrantiesRP2040 DatasheetLegal disclaimer notice1expressed in DatasheetLegal disclaimer notice2 Table of contentsColophon.. 1 Legal disclaimer notice.. 11. Introduction.. Why is the chip called RP2040?.. Summary.. The Chip.. Pinout Reference.. Pin Locations.. Pin Descriptions.. GPIO Functions.. 132. System Description.. Bus Fabric.. AHB-Lite Crossbar.. Atomic Register Access.. APB Bridge.
5 Narrow IO Register Writes.. List of Registers.. Address Map.. Summary.. Detail.. Processor subsystem.. SIO.. Interrupts.. Event Signals.. Debug.. Cortex-M0+.. Features.. Functional Description.. Programmer s model.. System control.. NVIC.. MPU.. Debug.. List of Registers.. DMA.. Configuring Channels.. Starting Channels.. Data Request (DREQ).. Interrupts.. Additional Features.. Example Use Cases.. List of Registers.. Memory.. ROM.. SRAM.. Flash.. Boot Sequence.. Bootrom.. Processor Controlled Boot Sequence.. Launching Code On Processor Core 1.. Bootrom Contents.. USB Mass Storage Interface.. USB PICOBOOT Interface.. Power Supplies.. Digital IO Supply (IOVDD).. 153RP2040 DatasheetTable of Digital Core Supply (DVDD).
6 On-Chip Voltage Regulator Input Supply (VREG_VIN).. USB PHY Supply (USB_VDD).. ADC Supply (ADC_AVDD).. Power Supply Sequencing.. Power Supply Schemes.. Core Supply Regulator.. Application Circuit.. Operating Modes.. Output Voltage Select.. Status.. Current Limit.. List of Registers.. Detailed Specifications.. Power Control.. Top-level Clock Gates.. SLEEP State.. DORMANT State.. Memory Power Down.. Programmer s Model.. Chip-Level Reset.. Overview.. Power-on Reset.. Brown-out Detection.. Supply Monitor.. External Reset.. Rescue Debug Port Reset.. Source of Last Reset.. List of Registers.. Power-On State Machine.. Overview.. Power On Sequence.. Register Control.. Interaction with Watchdog.. List of Registers.. Subsystem Resets.
7 Overview.. Programmer s Model.. List of Registers.. Clocks.. Overview.. Clock sources.. Clock Generators.. Frequency Counter.. Resus.. Programmer s Model.. List of Registers.. Crystal Oscillator (XOSC).. Overview.. Usage.. Startup Delay.. XOSC Counter.. DORMANT mode.. Programmer s Model.. List of Registers.. Ring Oscillator (ROSC).. Overview.. ROSC/XOSC trade-offs.. Modifying the frequency.. ROSC divider.. 222RP2040 DatasheetTable of Random Number Generator.. ROSC Counter.. DORMANT mode.. List of Registers.. PLL.. Overview.. Calculating PLL parameters.. Configuration.. List of Registers.. GPIO.. Overview.. Function Select.. Interrupts.. Pads.. Software Examples.. List of Registers.. Sysinfo.. Overview.
8 List of Registers.. Syscfg.. Overview.. List of Registers.. TBMAN.. List of Registers.. 3073. PIO.. Overview.. Programmer s Model.. PIO Programs.. Control Flow.. Registers.. Stalling.. Pin Mapping.. IRQ Flags.. Interactions Between State Machines.. PIO Assembler (pioasm).. Directives.. Values.. Expressions.. Comments.. Labels.. Instructions.. Pseudoinstructions.. Instruction Set.. Summary.. JMP.. WAIT.. IN.. OUT.. PUSH.. PULL.. MOV.. IRQ.. SET.. Functional Details.. Side-set.. Program Wrapping.. FIFO Joining.. Autopush and Autopull.. Clock Dividers.. GPIO Mapping.. 338RP2040 DatasheetTable of Forced and EXEC d Instructions.. Examples.. Duplex SPI.. WS2812 LEDs.. UART TX.. UART RX.. Manchester Serial TX and RX.
9 Differential Manchester (BMC) TX and RX.. I2C.. PWM.. Addition.. Further Examples.. List of Registers.. 3664. Peripherals.. USB.. Overview.. Architecture.. Programmer s Model.. List of Registers.. 396 References.. UART.. Overview.. Functional description.. Operation.. UART hardware flow control.. UART DMA Interface.. Interrupts.. Programmer s Model.. List of Registers.. I2C.. Features.. IP Configuration.. I2C Overview.. I2C Terminology.. I2C Behaviour.. I2C Protocols.. Tx FIFO Management and START, STOP and RESTART Generation.. Multiple Master Arbitration.. Clock Synchronization.. Operation Modes.. Spike Suppression.. Fast Mode Plus Operation.. Bus Clear Feature.. IC_CLK Frequency Configuration.. DMA Controller Interface.
10 Operation of Interrupt Registers.. List of Registers.. SPI.. Overview.. Functional Description.. Operation.. List of Registers.. PWM.. Overview.. Programmer s Model.. List of Registers.. Timer.. Overview.. Counter.. Alarms.. 537RP2040 DatasheetTable of Programmer s Model.. List of Registers.. Watchdog.. Overview.. Tick generation.. Watchdog Counter.. Scratch Registers.. Programmer s Model.. List of Registers.. RTC.. Storage Format.. Leap year.. Interrupts.. Reference clock.. Programmer s Model.. List of Registers.. ADC and Temperature Sensor.. ADC controller.. SAR ADC.. ADC ENOB.. INL and DNL.. Temperature Sensor.. List of Registers.. SSI.. Overview.. Features.. IP Modifications.. Clock Ratios.
