# CH579F (Component) ## Description WCH CH579F QFN-28_L4.0-W4.0-P0.40-BL-EP2.8 LCSC Part Number: C481975 JLCPCB Part Class: Extended Part Manufactured by WCH(南京沁恒) ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 4/29/2025 - **Visibility:** Public - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131113_WCH-Jiangsu-Qin-Heng-CH579F_C481975.pdf - **JLCPCB Part Class:** Extended Part - **Product Info Url:** https://lcsc.com/product-detail/WCH_WCH-Jiangsu-Qin-Heng-CH579F_C481975.html - **Manufacturer Part Number:** CH579F - **Package or Case Code:** QFN-28_L4.0-W4.0-P0.40-BL-EP2.8 - **Part Type:** WCH - **Manufacturer Name:** WCH(南京沁恒) - **LCSC Part Number:** C481975 - **Part Type:** Other - **MPN:** CH579F - **Mount Type:** PCB - **Package / Case Code:** 28-QFN - **Pin Count:** 29 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | PA11/X32KO/TMR2 | | | 2 | PA10/X32KI/TMR1 | | | 3 | VDCID | | | 4 | VSW | | | 5 | VIO33/VBAT | | | 6 | PA8/RXD1/AINT12 | | | 7 | PA9/TXD1/AINT13 | | | 8 | PB15/ER+/MISO_ | | | 9 | PB14/ER-/MOSI_/PWM10 | | | 10 | PB13/ET+/SCK0_ | | | 11 | PB12/ET-/SCS_ | | | 12 | PB11/UD+/TMR2_ | | | 13 | PB10/UD-/TMR1_ | | | 14 | PB7/TXD0 | | | 15 | PB4/RXD0 | | | 16 | PB23/~{RST}/TXD2_ | | | 17 | PB22/RXD2_ | | | 18 | X32MO | | | 19 | X32MI | | | 20 | VINTA | | | 21 | ANT | | | 22 | VDCIA | | | 23 | PA4/RXD3/LEDC/UCC1/AIN0 | | | 24 | PA5/TXD3/UCC2/AIN1 | | | 25 | PA15/MISO/RXD0_/AIN5 | | | 26 | PA14/MOSI/TXD0_/UBUS/AIN4 | | | 27 | PA13/SCK0/AIN3 | | | 28 | PA12/SCS/AIN2 | | | 29 | EP | | --- *Generated from [https://www.flux.ai/lcsc/ch579f~aoho](https://www.flux.ai/lcsc/ch579f~aoho)*