Differences

This shows you the differences between two versions of the page.

--- datasheet:rp2040 [2024/10/12 00:10] – lars
+++ datasheet:rp2040 [2025/04/16 21:54] (current) – [Clocks] lars
@@ Line 77: / Line 77: @@
 ==== Clocks ====
-ROSC : Ring Oscillator (1.8 - 12 MHz
+**__Sources:__**
+GPCLK0-1 (GPIO Muxing) (External clocks or Relaxation oscillators)
+ROSC : Ring Oscillator (1.8 - 12 MHz)
+XOSC : Crystal Oscillator (1 - 15 MHz)
+System PLL : (from XOSC)
+USB-PLL :  (from XOSC)
+**__Provided clocks:__**
+clk_ref = reference clock (runs from ROSC can be switched to XOSC)(Watchdog + Timers)
+clk_sys = sytem clock (max 200 MHz) (Processors, Bus fabric, Memories and Memory mapped Registers)
+clk_peri = peripheral clock (max 200 MHz) (UART + SPI)
+clk_usb = 48 MHz (USB)
+clk_adc = 48 MHz (ADC)
+clk_rtc = 46875 Hz (RTC)
+clk_gpout0-3 = 4 clocks of up to 50 MHz (GPIO Muxing)
-clk_ref = reference clock
-clk_sys = sytem clock (max 133 MHz
-clk_peri
-clk_usb = 48 MHz
-clk_adc = 48 MHz
-clk_rtc = 46875 Hz
@@ Line 121: / Line 140: @@
 === Function select ===
 ^ \ ^ F0 ^ F1 ^ F2  ^ F3 ^ F4 ^ F5 ^ F6 ^ F7  ^ F8 ^ F9 ^ F10-31 ^
+| GPIO  0 |  | SPI0 RX  | UART0 TX  | I2C0 SDA | PWM0 A | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO  1 |  | SPI0 CSn | UART0 RX  | I2C0 SCL | PWM0 B | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO  2 |  | SPI0 SCK | UART0 CTS | I2C1 SDA | PWM1 A | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO  3 |  | SPI0 TX  | UART0 RTS | I2C1 SCL | PWM1 B | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO  4 |  | SPI0 RX  | UART1 TX  | I2C0 SDA | PWM2 A | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO  5 |  | SPI0 CSn | UART1 RX  | I2C0 SCL | PWM2 B | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO  6 |  | SPI0 SCK | UART1 CTS | I2C1 SDA | PWM3 A | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO  7 |  | SPI0 TX  | UART1 RTS | I2C1 SCL | PWM3 B | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO  8 |  | SPI1 RX  | UART1 TX  | I2C0 SDA | PWM4 A | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO  9 |  | SPI1 CSn | UART1 RX  | I2C0 SCL | PWM4 B | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO 10 |  | SPI1 SCK | UART1 CTS | I2C1 SDA | PWM5 A | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO 11 |  | SPI1 TX  | UART1 RTS | I2C1 SCL | PWM5 B | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO 12 |  | SPI1 RX  | UART0 TX  | I2C0 SDA | PWM6 A | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO 13 |  | SPI1 CSn | UART0 RX  | I2C0 SCL | PWM6 B | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO 14 |  | SPI1 SCK | UART0 CTS | I2C1 SDA | PWM7 A | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO 15 |  | SPI1 TX  | UART0 RTS | I2C1 SCL | PWM7 B | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO 16 |  | SPI0 RX  | UART0 TX  | I2C0 SDA | PWM0 A | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO 17 |  | SPI0 CSn | UART0 RX  | I2C0 SCL | PWM0 B | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO 18 |  | SPI0 SCK | UART0 CTS | I2C1 SDA | PWM1 A | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO 19 |  | SPI0 TX  | UART0 RTS | I2C1 SCL | PWM1 B | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO 20 |  | SPI0 RX  | UART1 TX  | I2C0 SDA | PWM2 A | SIO | PIO0 | PIO1 | CLOCK GPIN0  | USB VBUS EN   |  |
+| GPIO 21 |  | SPI0 CSn | UART1 RX  | I2C0 SCL | PWM2 B | SIO | PIO0 | PIO1 | CLOCK GPOUT0 | USB OVCUR DET |  |
+| GPIO 22 |  | SPI0 SCK | UART1 CTS | I2C1 SDA | PWM3 A | SIO | PIO0 | PIO1 | CLOCK GPIN1  | USB VBUS DET  |  |
+| GPIO 23 |  | SPI0 TX  | UART1 RTS | I2C1 SCL | PWM3 B | SIO | PIO0 | PIO1 | CLOCK GPOUT1 | USB VBUS EN   |  |
+| GPIO 24 |  | SPI1 RX  | UART1 TX  | I2C0 SDA | PWM4 A | SIO | PIO0 | PIO1 | CLOCK GPOUT2 | USB OVCUR DET |  |
+| GPIO 25 |  | SPI1 CSn | UART1 RX  | I2C0 SCL | PWM4 B | SIO | PIO0 | PIO1 | CLOCK GPOUT3 | USB VBUS DET  |  |
+| GPIO 26 |  | SPI1 SCK | UART1 CTS | I2C1 SDA | PWM5 A | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
+| GPIO 27 |  | SPI1 TX  | UART1 RTS | I2C1 SCL | PWM5 B | SIO | PIO0 | PIO1 |              | USB OVCUR DET |  |
+| GPIO 28 |  | SPI1 RX  | UART0 TX  | I2C0 SDA | PWM6 A | SIO | PIO0 | PIO1 |              | USB VBUS DET  |  |
+| GPIO 29 |  | SPI1 CSn | UART0 RX  | I2C0 SCL | PWM6 B | SIO | PIO0 | PIO1 |              | USB VBUS EN   |  |
 | QSPI_SCK | XIP SCK |  |  |  |  | SIO |  |  |  |  |  |
 | QSPI_CSn | XIP CSn |  |  |  |  | SIO |  |  |  |  |  |
@@ Line 136: / Line 185: @@
 XIP_CTRL: [[https://nomagic.de/datasheet/raspberrypi/rp2040/rp2040-datasheet.html#pf80| Register]]
+^ FRF ^ description ^
+| 00b | Motorola Serial Peripheral Protocol (SPI) |
+| 01b | Texas Instruments Serial Protocol (SSP) |
+| 10b | Nationa Semiconductor Microwire |
+| 11b | reserved |
 === clock ===