
CH582M
WCH (Nanjing Qinheng Microelectronics)Extended
-40℃~+85℃ 12bit 2.3V~3.6V 32 Bit 32KB 40 512KB 80MHz Built-in+External FLASH Others Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Software reset、External pin reset (NRST)、Built-in general-purpose timer、Integrated LDO、Calendar function、Built-in temperature sensor、Touch function QFN-48-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS
- Part id
- wch/CH582M
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- QFN-48-EP(5x5)
- Pins
- 49
- In stock
- 1 at JLCPCB (C2920766)
- Used on
- 1 open-source board
Overview
The CH582M is a microcontroller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-48-EP(5x5) package with 49 pins. -40℃~+85℃ 12bit 2.3V~3.6V 32 Bit 32KB 40 512KB 80MHz Built-in+External FLASH Others Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Software reset、External pin reset (NRST)、Built-in general-purpose timer、Integrated LDO、Calendar function、Built-in temperature sensor、Touch function QFN-48-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH582M, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-48_L5.0-W5.0-P0.35-BL-EP-A, from EasyEDA), ready for a KiCad board. 1 are in stock at JLCPCB (part C2920766). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
49| Pin | Name | Type |
|---|---|---|
| 1 | VDCID | Unspecified |
| 2 | VSW | Unspecified |
| 3 | VIO33/VDD33 | Unspecified |
| 4 | PA7/TXD2/PWM5_/AIN11 | Unspecified |
| 5 | PA8/RXD1/AIN12 | Unspecified |
| 6 | PA9/TMR0/TXD1/AIN13 | Unspecified |
| 7 | PB9 | Unspecified |
| 8 | PB8 | Unspecified |
| 9 | PB17 | Unspecified |
| 10 | PB16 | Unspecified |
| 11 | PB15/TCK/MISO_/DTR_ | Unspecified |
| 12 | PB14/TIO/DSR_/MOSI_/PWM10 | Unspecified |
| 13 | PB13/U2D+/SCK0_/SCL/TXD1_ | Unspecified |
| 14 | PB12/U2D-/SCS_/SDA/RXD1_ | Unspecified |
| 15 | PB11/UD+/TMR2_ | Unspecified |
| 16 | PB10/UD-/TMR1_ | Unspecified |
| 17 | PB7/TXD0/PWM9 | Unspecified |
| 18 | PB6/RTS/PWM8 | Unspecified |
| 19 | PB5/DTR | Unspecified |
| 20 | PB4/RXD0/PWM7 | Unspecified |
| 21 | PB3/DCD/PWM9_ | Unspecified |
| 22 | PB2/RI/PWM8_ | Unspecified |
| 23 | PB1/DSR/PWM7_ | Unspecified |
| 24 | PB0/CTS/PWM6 | Unspecified |
| 25 | PB23/RST/TMR0_/TXD2_/PWM11 | Unspecified |
| 26 | PB22/TMR3/RXD2_ | Unspecified |
| 27 | PB21/SCL_/TXD3_ | Unspecified |
| 28 | PB20/SDA_/RXD3_ | Unspecified |
| 29 | PB19 | Unspecified |
| 30 | PB18 | Unspecified |
| 31 | X32MO | Unspecified |
| 32 | X32MI | Unspecified |
| 33 | VINTA | Unspecified |
| 34 | ANT | Unspecified |
| 35 | VDCIA | Unspecified |
| 36 | PA4/RXD3/AIN0 | Unspecified |
| 37 | PA5/TXD3/AIN1 | Unspecified |
| 38 | PA6/RXD2/PWM4_/AIN10 | Unspecified |
| 39 | PA0/AIN9 | Unspecified |
| 40 | PA1/AIN8 | Unspecified |
| 41 | PA2/TMR3_/AIN7 | Unspecified |
| 42 | PA3/AIN6 | Unspecified |
| 43 | PA15/MISO/RXD0_/AIN5 | Unspecified |
| 44 | PA14/MOSI/TXD0_/AIN4 | Unspecified |
| 45 | PA13/SCK0/PWM5/AIN3 | Unspecified |
| 46 | PA12/SCS/PWM4/AIN2 | Unspecified |
| 47 | PA11/X32KO/TMR2 | Unspecified |
| 48 | PA10/X32KI/TMR1 | Unspecified |
| 49 | EP | Unspecified |
Open-source boards using it
1- 2 layers90 × 25.5 mm

Parts like it
1Questions
Is there a KiCad symbol and footprint for the CH582M?
Yes. The symbol is EasyEDA_Cloud:CH582M and the footprint EasyEDA_Cloud:QFN-48_L5.0-W5.0-P0.35-BL-EP-A, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH582M?
QFN-48-EP(5x5), with 49 pins. Its footprint is drawn on this page.
Where is the CH582M datasheet?
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
Where can I order the CH582M?
JLCPCB lists it as part C2920766, with 1 in stock; the sellers' links on this page open their listings.
What can replace the CH582M?
Parts like it in the library: the CH32V208CBU6 by WCH (Nanjing Qinheng Microelectronics). Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the CH582M?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.