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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
This is a jtag probe with high-speed usb, a small touch display and a memory card. The memory card is useful for storing firmware images and data logging.
This is under development. Changes may be made.
### Design guidelines
- No hand soldering.
- Low cost:
- jlcpcb "economy" pcb assembly
- all components on one side
- 1mm between components
- use basic and preferred components if possible
- Convenience: display, connectors, buttons all on the same side.
- Hardware has to be good from the beginning. Software can always be changed later.
## Hardware
- Artery (Yateli) AT32F405RCT7, 256 kbyte flash, 96 kbyte ram, 216MHz.
- 280x240 LCD display with capacitive touch
- ambient light sensor to set LCD brightness
- 16 MByte QUAD SPI flash for XIP "execute in place" firmware
- SD card
- CAN BUS
- DS3231 real-time clock with battery back-up.
- One high speed USB, 480 Mbit/s
- One full speed USB, 12 MBit/s.
- logic translators for logic levels below 3.3V
- "Qwiic" I2C connector
The box is 3D printed of transparent resin SLA 8001. The box is transparent because the ambient light sensor needs to be exposed to light.
Because the AT32F405RCT7 is not in JLCPCB service, the processor has to be soldered by hand.
## Software
As software I tentatively propose rt-thread, with [black magic probe](https://github.com/blackmagic-debug/blackmagic) and [free-dap](https://github.com/ataradov/free-dap) as an rt-thread package.
## Attachments
- AT32_WorkBench.zip is the project in Artery "AT32 Work Bench"
- 3DShell_PCB2.zip is STL files for the project box
Design Drawing
schematic diagram
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PCB
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at32f405-tool
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Announcer: koendv
Creation time: 2024-04-08 18:36:29
Published time:
2024-05-01 08:19:37
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