# EFM8BB21F16G-C-QFN20R (Component) ## Description CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3) #CommonPartsLibrary #IntegratedCircuit #Microcontroller #EFM8BB21 ## Component Details - **Owner:** jecstronic - **Created:** 9/20/2023 - **Last Updated:** 9/20/2023 - **Visibility:** Public - **Part Type:** Microcontroller - **Manufacturer Part Number:** EFM8BB21F16G-C-QFN20R - **Manufacturer Name:** Silicon Labs - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://www.silabs.com/documents/public/data-sheets/efm8bb2-datasheet.pdf - **Used in:** 11 projects - **Forks:** 1 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/efm8bb21f16g-c-qfn20r/silicon-labs.html?utm_currency=USD&region=nac) | $0.8784 | 50 | | [Digi-Key](https://www.digikey.com/en/products/detail/silicon-labs/EFM8BB21F16G-C-QFN20R/7201715) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/8-bit-mcu-microcontrollers-silicon-labs-efm8bb21f16g-c-qfn20r-2500318341) | $1.28958 | 11 | | [LCSC](https://www.lcsc.com/product-detail/C80713.html) | $1.2608 | 60K | | [Mouser](https://www.mouser.com/ProductDetail/Silicon-Labs/EFM8BB21F16G-C-QFN20R?qs=6viq6gG%252BWEv0H4U5d9AR5A%3D%3D) | $1.97 | 4.9K | | [Verical](https://www.verical.com/pd/silicon-labs-microcontroller-EFM8BB21F16G-C-QFN20R-4993318?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Silicon Labs - **MPN:** EFM8BB21F16G-C-QFN20R - **Package / Case Code:** 20-QFN - **Pin Count:** 21 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | P0.1 | | | 2 | P0.0 | | | 3 | GND | | | 4 | VDD | | | 5 | RSTb/C2CK | | | 6 | P2.0/C2D | | | 7 | P1.6 | | | 8 | P1.5 | | | 9 | P1.4 | | | 10 | P1.3 | | | 11 | P1.2 | | | 12 | GND | | | 13 | P1.1 | | | 14 | P1.0 | | | 15 | P0.7 | | | 16 | P0.6 | | | 17 | P0.5 | | | 18 | P0.4 | | | 19 | P0.3 | | | 20 | P0.2 | | | 21 | GND | | --- *Generated from [https://www.flux.ai/jecstronic/efm8bb21f16g-c-qfn20r~pj](https://www.flux.ai/jecstronic/efm8bb21f16g-c-qfn20r~pj)*