Not Recommended for New Design

C8051F811-GS 8051 8-bit Microcontroller

The C8051F811-GS is a capacitive touch sense microcontroller for cost-sensitive, high I/O embedded systems. The MCU offers highly robust, accurate, responsive and easy to configure touch sensing. Built on a powerful 8051 core with 25 MHz performance, the C8051F811-GS brings a high level of processing power and flexibility to add human interface support for accelerometers, vibratory haptic feedback, LED illumination control, temperature sensing and resistive touch screening.

Specifications Summary

MCU Core: 8051

MHz: 25

Flash (kB): 16

RAM (kB): 0.5

I²C: 1

SPI: 1

UART: 1

Dig I/O Pins: 13

ADC: —

DAC: —

Comparators: 1

PCA Channels: 3

Timers: 3

Cap Sense Channels: 0

Package Type: SOIC16

Package Size (mm): 9.9x3.9

Development Tools	Type
C8051F800DK C8051 MCU Development Kit	Development Kits

Title	Version	Resource Type
Keymat Evaluation Kit		Software
IDE Installer	5.30	Software
Production Programmer	3.90	Software
FLASHUtil Installer	4.78	Software
Configuration Wizard 2 Installer	4.40	Software
uVision Driver	4.30	Software
KeilC51 Install	9.55	Software
RD-0039-0201 - ZigBee Capsense Dimmer Reference Design with EM3587, EFM8SB1 and PCB Antenna	2.1	Reference Designs
USB Debug Adapter Reset Utility	1.7	Software
Simplicity Studio v3	v3	Software
Simplicity Studio v3, Linux Installer	v3	Software
Simplicity Studio v3, Mac Installer	v3	Software
ToolStick University DC Development Tools		Software
ToolStick Development Tools	2.60.1	Software
Simplicity Studio Production Programmer	1.0	Software
Simplicity Studio v4, Mac Installer	v4.1.7.4	Software
Simplicity Studio v4, Linux Installer	v4.1.7.4	Software
Simplicity Studio v4 (Windows)	v4.1.7.4	Software
Simplicity Studio v4 (Windows64)	v4.1.7.4	Software
PCN #1604111: C8051F80x 1x 2x 3x GS 16NBSOIC Assembly site addition ASECL		Product Change Notifications (PCN)
C8051F811-GS CAD/CAE Schematic Footprints and Symbols	1.0	Schematic and Layout Files
Chip Scale Packages Wearables Technology		White Papers
Low Power Design Basics: How to Choose the Optimal Low Power MCU for Your Embedded System White Paper		White Papers
C8051F80x/83x Data Sheet (Simplified Chinese): Mixed Signal ISP Flash MCU Family	1.0	Data Sheets
C8051F80x and C8051F83x Mixed-Signal ISP Flash MCU Family	1.0	Data Sheets
C8051F800-DK User's Guide	0.2	User Guides
ToolStick C8051F800 Daughter Card User's Guide	0.1	User Guides
ToolStick Base Adapter User Guide	0.1	User Guides
MCU Quick-Start Guide Featuring the USB Debug Adapter	0.5	Quick Start Guides
AN140: Integrating HI-TECH 8051 Tools into the IDE	1.3	Application Notes
AN778: UART Bootloader	0.2	Application Notes
AN124: Pin Sharing Techniques for the C2 Interface	1.4	Application Notes
AN447: Printed Circuit Design Notes for Capacitive Sensing with the CS0 Module	0.3	Application Notes
AN528: Buried Capacitor Sensors for Tamper Protection	0.2	Application Notes
AN104: Integrating Keil 8051 Tools into the IDE	3.0	Application Notes
AN119: Calculating Settling Time for Switched Capacitor ADCs	1.3	Application Notes
AN767: SMBus Bootloader	0.1	Application Notes
AN201: Writing to Flash from Firmware	0.7	Application Notes
AN324: Advanced Encryption Standard	0.1	Application Notes
AN529: Capacitive Sensing Through Long Wires	0.2	Application Notes
AN798: EEPROM Emulation with Wear-Leveling for 8-Bit Flash MCUs	0.1	Application Notes
AN376: Effects of ESD Protection Devices on Capacitive Sensing Performance	0.2	Application Notes
AN367: Understanding Capacitive Sensing Signal to Noise Ratios	0.4	Application Notes
AN778 Software	0.2	Example Code
AN767SW: SMBus Bootloader Software		Example Code
The C8051 Core: A Viable Compute Engine for 8-bit MCU Design	1.0	White Papers
8 Bit Tools package, Release Notes	4.90	Software
QSG150: C8051Fxxx Development Kit Quick-Start Guide	0.6	Quick Start Guides
8-Bit USB Debug Adapter User's Guide	0.3	User Guides
ToolStick Debug Adapter User Guide	0.1	User Guides
Si10xx Quick-Start Guide	0.2	Quick Start Guides
Si10xx Quick-Start Guide	0.1	Quick Start Guides
uVision Driver Rev History	4.30	Release Notes
ToolStick Dev Tools Release Notes	2.60.1	Release Notes
USBXpress Win98SE Release Notes	2.42	Release Notes
VCP Driver v6.7.3 Release Notes	v6.7.3	Release Notes
IR Performance Analysis Tool Release Notes	1.11	Release Notes
USBXpress v6.7.3 Release Notes	6.7.3	Release Notes
Hex to Svf Release Notes	1.31	Release Notes
8051 Instruction Set		Presentations
WMBUS Setup		Software
AN111: Using the 8-Bit MCUs in 5 Volt Systems	1.4	Application Notes
AN1096: Simplicity Studio v4 Offline Installation	0.1	Application Notes
AN533: Modular Bootloader Framework for Silicon Labs C8051Fxxx Microcontrollers	0.1	Application Notes
AN203: 8-Bit MCU Printed Circuit Board Design Notes	0.3	Application Notes
AN236: Integrating IAR 8051 Tools into the Silicon Laboratories IDE	0.3	Application Notes
AN198: Integrating SDCC 8051 Tools into the Silicon Labs IDE	0.2	Application Notes
EFM8 8-bit Microcontroller Selector Guide	3	Brochures
8-bit MCU Selector Guide	1	Brochures
MCUniversity Course Lectures - Chinese	1	Miscellaneous
IEC-60730 Certificate		Miscellaneous
MCUniversity Course Lectures	1	Miscellaneous
AN295: USB Audio Class Tutorial		Example Code
AN249: Human Interface Device Tutorial		Example Code
AN141: SMBus Communication for Small Form Factor Devices		Example Code
AN127: Flash Programming via the C2 Interface		Example Code
Embedded programming Textbook	1	White Papers
CIP-51 Performance for Standard Library Math Routines	2.1	White Papers
Accuracy Considerations for Microcontroller-Based Temperature Sensors	1.0	White Papers
How to Overcome Technical Hurdles During Microcontroller Development	1.0	White Papers
EFM8 BRD5204A Reference Design Schematic		Schematic and Layout Files
EFM8 BRD5204A Reference Design Bill of Materials		Schematic and Layout Files
Production Programmer Release Notes	3.90	Release Notes
AN1121: Headless Builds with Simplicity Studio v4	0.1	Application Notes
AN1121SW.zip	0.1	Example Code
PB #1606031: Inner Box Label Change		Product Change Notifications (PCN)
Simplicity Studio v3, Offline Installer	v3	Software
QuickSense Front Panel STB		Software
AN136: Silicon Labs Production Programming Options	1.6	Application Notes
AN101: Configuring the Port I/O Crossbar Decoder		Example Code
Interfacing an External SRAM to the C8051Fxxx		Example Code
Configuring the internal and external oscillators		Example Code
16-bit PWM using an on-chip timer		Example Code
Implementing a real-time clock		Example Code
Software UART examples		Example Code
Integrating Hi-Tech 8051 tools into the Silicon Labs IDE		Example Code
Integrating Tasking 8051 tools into the Silicon Labs IDE		Example Code
Integrating SDCC 8051 tools into the Silicon Labs IDE		Example Code
Integrating IAR 8051 tools into the Silicon Labs IDE		Example Code
Improving ADC resolution by oversampling and averaging		Example Code
Low Pin-Count LCD Interface Software		Example Code
Writing to flash from firmware		Example Code
Advanced encryption standard		Example Code
Three-Channel Power Sequencer.		Example Code
AN798: EEPROM Emulation with Wear-Leveling for 8-Bit Flash MCUs	0.1	Example Code
Modular bootloader framework for Silicon Labs MCUs		Example Code
ToolStick Daughter Card Template		Software
Standard Outerbox Label Change to Include RoHS and Halogen Free Mark		Product Change Notifications (PCN)
Hex to Svf conversion utility software	V 1.31	Software
AN568: EEPROM Emulation for Flash Microcontrollers		Example Code
Simplicity Commander Release Notes	1.3.1	Software
Simplicity Commander -- Linux	1.3.1	Software
Simplicity Commander -- Windows	1.3.1	Software
Simplicity Commander -- Mac	1.3.1	Software
AN0822: Simplicity Studio™ User's Guide	0.5	Application Notes
AN568: EEPROM Emulation for Flash Microcontrollers	0.1	Application Notes

Not Recommended for New Design

C8051F811-GS 8051 8-bit Microcontroller

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