RP2040

Overview

Features

• Key features:
• * Dual ARM Cortex-M0+ cores, Originally run at 133 MHz, but later certified at 200 MHz
• ** Each core has an integer divider peripheral and two interpolators
• * 264 KB SRAM in six independent banks
• * No internal flash or EEPROM memory
• * QSPI bus controller supports up to 16 MB of external flash memory
• * DMA controller, 12 channel, 2 IRQ
• * AHB crossbar, fully-connected
• * On-chip programmable low-dropout regulator to generate core voltage
• * Two on-chip PLLs to generate USB and core clocks
• * 30 GPIO pins, of which four can optionally be used as analog inputs
• Peripherals:
• * One USB 1.1 controller and PHY, host and device support, 1.5 Mbps and 12 Mbps
• * Two UART controllers
• * Two SPI controllers
• * One QSPI controller, supports 1 / 2 / 4-bit SPI transfers, 1 chip select
• * Two I²C controllers
• * Eight PIO state machines
• * 16 PWM channels
• * 4-channel 12-bit 500-ksps SAR ADC, extra channel is connected to internal temperature sensor

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