CH579M

WCH (Nanjing Qinheng Microelectronics)

12bit 2.1V~3.6V 250KB 40 40MHz ARM Cortex-M0 FLASH QFN-48-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS

Extended

Category: Microcontrollers (MCU, MPU, SOC)
Package: QFN-48-EP(5x5)
Pins: 49

Overview

The CH579M is a microcontroller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-48-EP(5x5) package with 49 pins. 12bit 2.1V~3.6V 250KB 40 40MHz ARM Cortex-M0 FLASH QFN-48-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH579M, 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. 481 are in stock at JLCPCB (part C481976).

Symbol

EasyEDA_Cloud:CH579MFrom EasyEDA

Footprint

EasyEDA_Cloud:QFN-48_L5.0-W5.0-P0.35-BL-EP-AFrom EasyEDA

Parameters

ADC (Bit): 12bit
CPU Core: ARM Cortex-M0
CPU Maximum Speed: 40MHz
Core Size: 32 Bit
Features: Watchdog reset
Number of I/O: 40
Operating Temperature: -40℃~+85℃
Oscillator Type: Built-in+External
Program Memory Type: FLASH
Program Storage Size: 250KB
RAM Size: 32KB
Voltage - Supply: 2.1V~3.6V

Order codes

CH579MLCSC C481976

Pinout

The pins of the CH579M
Pin	Name	Type
1	VDCID	Unspecified
2	VSW	Unspecified
3	VIO33/VBAT	Unspecified
4	PA7/TXD2/PWM5/AIN11	Unspecified
5	PA8/RXD1/AINT12	Unspecified
6	PA9/TXD1/AINT13	Unspecified
7	PB9/TXD1_/SLVW	Unspecified
8	PB8/RXD1_/SLVR	Unspecified
9	PB17/TCK	Unspecified
10	PB16/TIO	Unspecified
11	PB15/ER+/MISO_	Unspecified
12	PB14/ER-/MOSI_/PWM10	Unspecified
13	PB13/ET+/SCK0_	Unspecified
14	PB12/ET-/SCS_	Unspecified
15	PB11/UD+/TMR2_	Unspecified
16	PB10/UD-/TMR1_	Unspecified
17	PB7/TXD0	Unspecified
18	PB6/RTS	Unspecified
19	PB5/DTR	Unspecified
20	PB4/RXD0	Unspecified
21	PB3/DCD/PWM9	Unspecified
22	PB2/RI/PWM8	Unspecified
23	PB1/DSR/PWM7	Unspecified
24	PB0/CTS/PWM6	Unspecified
25	PB23/RST#/TXD2_	Unspecified
26	PB22/RXD2_	Unspecified
27	PB21/TXD3_	Unspecified
28	PB20/RXD3_	Unspecified
29	PB19/TMR0_	Unspecified
30	PB18/TMR3_	Unspecified
31	X32MO	Unspecified
32	X32MI	Unspecified
33	VINTA	Unspecified
34	ANT	Unspecified
35	VDCIA	Unspecified
36	PA4/RXD3/LEDC/UCC1/AIN0	Unspecified
37	PA5/TXD3/UCC2/AIN1	Unspecified
38	PA6/RXD2/PWM4/AIN10	Unspecified
39	PA0/SCK1/SLVA/LED0/AIN9	Unspecified
40	PA1/MOSI1/SLVS/LED1/AIN8	Unspecified
41	PA2/TMR3/MISO1/LED2/AIN7	Unspecified
42	PA3/TMR0/SLVI/LED3/AIN6	Unspecified
43	PA15/MISO/RXD0_/AIN5	Unspecified
44	PA14/MOSI/TXD0_/UBUS/AIN4	Unspecified
45	PA13/SCK0/AIN3	Unspecified
46	PA12/SCS/AIN2	Unspecified
47	PA11/X32KO/TMR2	Unspecified
48	PA10/X32KI/TMR1	Unspecified
49	EP	Unspecified

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A picture

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A picture that opens the part, for a README

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Questions

Is there a KiCad symbol and footprint for the CH579M?

Yes. The symbol is EasyEDA_Cloud:CH579M 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 CH579M?

QFN-48-EP(5x5), with 49 pins. Its footprint is drawn on this page.

Where is the CH579M datasheet?

WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.

Where can I order the CH579M?

JLCPCB lists it as part C481976, with 481 in stock; the sellers' links on this page open their listings.

What can replace the CH579M?

Parts like it in the library: the CH32V208CBU6 by WCH (Nanjing Qinheng Microelectronics) and the CH582M by WCH (Nanjing Qinheng Microelectronics). Check their datasheets: a part that fits the footprint may still differ in its ratings.