# CH558L (Component) ## Description WCH CH558L TQFP-48_L7.0-W7.0-P0.50-LS9.0-BL LCSC Part Number: C139617 JLCPCB Part Class: Extended Part Manufactured by WCH(南京沁恒) ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 4/23/2025 - **Visibility:** Public - **Package or Case Code:** TQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - **Product Info Url:** https://lcsc.com/product-detail/_CH558L_C139617.html - **Manufacturer Part Number:** CH558L - **JLCPCB Part Class:** Extended Part - **Part Type:** WCH - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131114_WCH-Jiangsu-Qin-Heng-CH558L_C139617.pdf - **Manufacturer Name:** WCH(南京沁恒) - **LCSC Part Number:** C139617 - **Used in:** 2 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C139617.html) | $1.2251 | 24 | - **Part Type:** Other - **MPN:** CH558L - **Mount Type:** PCB - **Package / Case Code:** 48-TQFP - **Pin Count:** 48 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | P1.6/AIN6/MISO | | | 2 | P1.7/AIN7/SCK | | | 3 | P5.7/RST | | | 4 | P3.0/RXD | | | 5 | P4.5/A5 | | | 6 | P4.4/LED3/TNOW_/TXD1_/A4 | | | 7 | P3.1/TXD | | | 8 | P3.2/LED0/INT0 | | | 9 | P3.3/LED1/!A15/INT1 | | | 10 | P3.4/LEDC/XCS0/T0 | | | 11 | P3.5/DA6/T1 | | | 12 | P3.6/WR | | | 13 | P3.7/RD | | | 14 | P4.3/A3 | | | 15 | P4.2/PWM3_/CAP3_/A2 | | | 16 | P4.6/XI/SCS_ | | | 17 | P4.7/XO/SCK_ | | | 18 | GND/VSS | | | 19 | P4.1/A1 | | | 20 | P4.0/LED2/A0/RXD1 | | | 21 | P2.0/A8 | | | 22 | P2.1/A9 | | | 23 | P2.2/A10 | | | 24 | P2.3/A11 | | | 25 | P2.4/A12 | | | 26 | P2.5/TNOW/A13/T2EX_/CAP2 | | | 27 | P2.6/RXD1/A14 | | | 28 | P2.7/TXD1/DA7/A15 | | | 29 | P5.5/!A15/XA | | | 30 | P5.4/ALE/XB | | | 31 | P5.1/DP | | | 32 | P5.0/DM | | | 33 | P0.7/AD7/UDCD | | | 34 | P0.6/AD6/URI | | | 35 | P0.5/AD5/UDSR | | | 36 | P0.4/AD4/UCTS | | | 37 | P0.3/AD3/TXD | | | 38 | P0.2/AD2/RXD | | | 39 | P0.1/AD1/URTS | | | 40 | P0.0/AD0/UDTR | | | 41 | VIN5 | | | 42 | VDD33 | | | 43 | P1.0/AIN0/T2/CAP1 | | | 44 | P1.1/AIN1/T2EX/CAP2 | | | 45 | P1.2/AIN2/PWM3/CAP3 | | | 46 | P1.3/AIN3 | | | 47 | P1.4/AIN4/SCS | | | 48 | P1.5/AIN5/MOSI | | --- *Generated from [https://www.flux.ai/lcsc/ch558l~h7z2](https://www.flux.ai/lcsc/ch558l~h7z2)*