2 layers22.6 × 29 mm
QFN20
Overview
The CH570D is an uncategorised made by WCH (Nanjing Qinheng Microelectronics) in a QFN20 package with 21 pins. QFN20 SMT ROHS.
PCBKit's library has its KiCad symbol (74th_MCU:CH570D, from 74th), ready for a KiCad board. JLCPCB lists it (part C51892189). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Order codes
1- CH570DLCSC C51892189
Pinout
21| Pin | Name | Type |
|---|---|---|
| 0 | GND | Power in |
| 1 | PA3 | Input/output |
| 2 | XO | Output |
| 3 | XI | Input |
| 4 | NC | Not connected |
| 5 | ANT | Input/output |
| 6 | VDD33 | Power in |
| 7 | VIO33 | Power in |
| 8 | V5 | Power in |
| 9 | PA9 | Input/output |
| 10 | PA8 | Input/output |
| 11 | PA0 | Input/output |
| 12 | PA1 | Input/output |
| 13 | PA4 | Input/output |
| 14 | PA5 | Input/output |
| 15 | PA6 | Input/output |
| 16 | PA7 | Input/output |
| 17 | PA10 | Input/output |
| 18 | PA11 | Input/output |
| 19 | NC | Not connected |
| 20 | PA2 | Input/output |
Open-source boards using it
All 1Questions
Is there a KiCad symbol and footprint for the CH570D?
Yes. The symbol is 74th_MCU:CH570D, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH570D?
QFN20, with 21 pins.
Where can I order the CH570D?
JLCPCB lists it as part C51892189, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the CH570D?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.