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Standard
1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
4.For enterprises, more professional users
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STD AS2040
License: CC-BY-NC-SA 3.0
Mode: Editors' pick
- 8
Update time：
2022-08-31 18:35:54
Creation time：
2021-12-13 23:04:53
Description
At the heart of the board is the RP2040. I chose it because it is a Dual-Core ARM Cortex-M0+ at 133MHz which is great performance at a low cost and small package. It provides unrivaled power and flexibility with large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set with unique Programmable I/O (PIO) subsystem. With detailed documentation, a polished MicroPython port, and a UF2 bootloader in ROM, it has the lowest possible barrier to entry.
AS2040 Board Features:
- RP2040 32-bit Cortex M0+ dual core running at ~125 MHz @ 3.3V logic and power
- 264 KB SRAM in six independent banks
- 16 MB SPI FLASH chip for storing files and code (no EEPROM)
- 11 x GPIO pins with following capabilities:
- 4x 12 bit ADCs
- I2C, SPI and UART peripherals
- PWM outputs - for servos, LEDs, etc
- PIO compatibility
- 3.3V, 5V and GND pins
- 3.3V regulator with 500mA peak current output
- 6-axis accelerometer and gyroscope
- RGB NeoPixel for full color indication
- 12 MHz crystal for perfect timing
- On-board STEMMA QT connector that lets you quickly connect any Qwiic/STEMMA QT or Grove I2C devices with no soldering
- Both Run button and Boot select button for quick restarts (no unplugging-replugging to relaunch code or upload firmware)
- Optional SWD debug port can be soldered in for debug access
- USB Type C connector lets you access built-in ROM USB bootloader and serial port debugging
- Mounting hole
- Measures (32mm x 26mm x 1mm) without headers soldered in
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 4pF | C2,C3 | C0402 | 2 |
| 2 | 100nF | C5,C6,C7,C9,C11,C12,C13,C14,C15,C17,C18 | C0402 | 11 |
| 3 | 1uF | C8,C10,C1,C4 | C0402 | 4 |
| 4 | NSR0320MW2T1G | D3,D1,D2 | SOD-323_L1.8-W1.3-LS2.5-RD | 3 |
| 5 | TC2020RGB-3CJH-TX1812Z5 | LED2 | LED-SMD_4P-L2.1-W2.1-TL_TC2020RGB | 1 |
| 6 | 1K | R1,R5 | R0402 | 2 |
| 7 | 10K | R2,R8 | R0402 | 2 |
| 8 | 27 | R3,R4 | R0402 | 2 |
| 9 | 5.1K | R9,R10,R12,R13,R14,R6,R7 | R0402 | 7 |
| 10 | GT-TC032A-H015-L1 | SW1,SW2 | SW-SMD_L3.1-W2.5-LS4.0 | 2 |
| 11 | RP2040 | U1 | LQFN-56_L7.0-W7.0-P0.4-EP | 1 |
| 12 | W25Q128JVPIQ | U2 | WSON-8_L5.0-W6.0-P1.27-BL-EP | 1 |
| 13 | 12MHz | X1 | OSC-SMD_4P-L3.2-W2.5-BL | 1 |
| 14 | 10uF | C19 | C0402 | 1 |
| 15 | OSG50402C1C | LED1 | LED0402-RD_GREEN | 1 |
| 16 | XL-1005UGC | LED3 | LED0R | 1 |
| 17 | 100K | R11 | R0402 | 1 |
| 18 | AP2112K-3.3TRG1 | U6 | SOT-25-5_L3.0-W1.8-P0.95-LS3.0-BR | 1 |
| 19 | MCP73831T-2ACI/OT | U8 | SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR | 1 |
| 20 | HDR_CON_TH_1x11_2.54 | J1,J2 | HDR_CON_TH_1X11_2.54 | 2 |
| 21 | SWD-10_SMD | SWD1 | SWD-10-SMD | 1 |
| 22 | USB3.1C16PFSMT | USBC1 | USB-C-SMD_TYPE-C-USB-17 | 1 |
| 23 | STEMMA_I2C_QT | CONN1 | JST_SH4 | 1 |
| 24 | LSM6DSRTR | U4 | LGA-14_L3.0-W2.5-P0.50-BR | 1 |
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