


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | QFN-48-EP(5x5) | |
| CPU Maximum Speed | 40MHz | |
| Program Memory Type | FLASH | |
| Program Storage Size | 250KB | |
| Voltage - Supply | 2.1V~3.6V | |
| CPU Core | ARM Cortex-M0 | |
| Number of I/O | 40 | |
| Features | Power-on reset (POR)、Watchdog reset、Software reset、External pin reset (NRST)、Built-in general-purpose timer、Integrated LDO、Calendar function | |
| ADC (Bit) | 12bit |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
CH579M technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | QFN-48-EP(5x5) | |
| CPU Maximum Speed | 40MHz | |
| Program Memory Type | FLASH | |
| Program Storage Size | 250KB | |
| Voltage - Supply | 2.1V~3.6V | |
| CPU Core | ARM Cortex-M0 | |
| Number of I/O | 40 | |
| Features | Power-on reset (POR)、Watchdog reset、Software reset、External pin reset (NRST)、Built-in general-purpose timer、Integrated LDO、Calendar function | |
| ADC (Bit) | 12bit |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the CH579M. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

CH579M datasheets or manufacturer documentation.
Datasheet: CH579M Datasheet (PDF)
The CH579M schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.