Not Recommended for New Design

C8051T622-GM 8051 8-bit Microcontroller, 48 MHz, 16 Flash(kB)

The C8051T622-GM MCU features an on-board universal serial bus (USB) 2.0 function controller with an integrated transceiver and on-chip clock recovery. No external resistors, crystal, voltage regulator, EEPROM or other components are required for USB applications. The MCU includes a powerful 8051 core with 48 MHz performance along with 16 Flash and 1.25 RAM. On-chip analog features include a — ADC, voltage reference, a ±1.5 internal oscillator, 0 comparators and a temperature sensor. Integrating multiple communication interfaces along with rich analog in a 4x4 mm, QFN24, the C8051T622-GM provides a truly single-chip solution for embedded USB applications.

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Specifications Summary

MCU Core: 8051

MHz: 48

Flash (kB OTP): 16

RAM (kB): 1.25

I²C: 1

SPI: 1


USB: Yes

Dig I/O Pins: 16



Comparators: 0

PCA Channels: 5

Timers: 4

Package Type: QFN24

Package Size (mm): 4x4

Development Tools Type
C8051T622DK C8051 MCU Development Kit Development Kits
Title Version Resource Type
uVision Driver 4.30 Software
Configuration Wizard 2 Installer 4.40 Software
Production Programmer 3.90 Software
IDE Installer 5.30 Software
FLASHUtil Installer 4.78 Software
USBXpress 4 SDK 4.0.3 Software
USBXpress Dev Kit Software
ToolStick Development Tools 2.60.1 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
ToolStick University DC Development Tools Software
Simplicity Studio Production Programmer 1.0 Software
Simplicity Studio v3, Mac Installer v3 Software
Simplicity Studio v3, Linux Installer v3 Software
Simplicity Studio v3 v3 Software
Simplicity Studio v4, Mac Installer v4.1.8 Software
Simplicity Studio v4, Linux Installer v4.1.8 Software
Simplicity Studio v4 (Windows) v4.1.8 Software
Simplicity Studio v4 (Windows64) v4.1.8 Software
C8051T622 and C8051T623 and C8051T326 and C8051T327 Full Speed USB EPROM MCU Family 1.1 Data Sheets
C8051T62x-DK Development Kit User's Guide 0.5 User Guides
USBXpress4 Release Notes 4.0.3 Release Notes
C8051T622/3, C8051T326/7 IBIS Model 1.0 Software
C8051T622 CAD/CAE Schematic Footprints and Symbols Schematic and Layout Files
USB Connectivity in a Complex World 0.1 White Papers
Low Power Design Basics: How to Choose the Optimal Low Power MCU for Your Embedded System White Paper White Papers
Chip Scale Packages Wearables Technology White Papers
AN1121: Headless Builds with Simplicity Studio v4 0.1 Application Notes
AN1160: Project Collaboration with Simplicity Studio 0.1 Application Notes
AN0822: Simplicity Studio™ User's Guide 0.5 Application Notes
ToolStick Base Adapter User Guide 0.1 User Guides
8 Bit Tools package, Release Notes 4.90 Software
AN455: Porting Code for C8051F320/1 Devices to C8051T320/1 Devices 0.2 Application Notes
AN456: Porting Code for C8051F326/7 Devices to C8051T326/7 Devices 0.2 Application Notes
AN368: Differences between the C8051F34A and the C8051T62x and C8051T32x Device Families 0.2 Application Notes
AN220: USB Driver Customization 0.7 Application Notes
AN249: Human Interface Device Tutorial 0.5 Application Notes
USB Timeout Errata 013111 Errata
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
QSG150: C8051Fxxx Development Kit Quick-Start Guide 0.6 Quick Start Guides
AN295: USB Audio Class Tutorial 0.1 Application Notes
AN295: USB Audio Class Tutorial Example Code
USBXpress Package Release Notes 6.7.4 Release Notes
USBXpress Release Notes Release Notes
USBXpress SDK 6.7.4 Application Notes
C8051TxxxDK Quick Start Guide 0.1 Quick Start Guides
AN220: USB Driver Customization 1.0 Application Notes
AN119: Calculating Settling Time for Switched Capacitor ADCs 1.3 Application Notes
AN124: Pin Sharing Techniques for the C2 Interface 1.4 Application Notes
8-Bit USB Debug Adapter User's Guide 0.3 User Guides
ToolStick Debug Adapter User Guide 0.1 User Guides
ToolStick Daughter Card Template Software
AN136: Silicon Labs Production Programming Options 1.6 Application Notes
Standard Outerbox Label Change to Include RoHS and Halogen Free Mark Product Change Notifications (PCN)
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
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
MCUniversity Course Lectures - Chinese 1 Miscellaneous
IEC-60730 Certificate Miscellaneous
MCUniversity Course Lectures 1 Miscellaneous
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 0.1 Example Code
PB #1606031: Inner Box Label Change Product Change Notifications (PCN)
QuickSense Front Panel STB Software
Simplicity Studio v3, Offline Installer v3 Software
Integrating Hi-Tech 8051 tools into the Silicon Labs IDE Example Code
Integrating Tasking 8051 tools into the Silicon Labs IDE Example Code
AN101: Configuring the Port I/O Crossbar Decoder Example Code
Improving ADC resolution by oversampling and averaging 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
AN798: EEPROM Emulation with Wear-Leveling for 8-Bit Flash MCUs 0.1 Example Code
Integrating IAR 8051 tools into the Silicon Labs IDE Example Code
Integrating SDCC 8051 tools into the Silicon Labs IDE Example Code
Modular bootloader framework for Silicon Labs MCUs Example Code
Low Pin-Count LCD Interface Software Example Code
Writing to flash from firmware Example Code
Three-Channel Power Sequencer. Example Code
Advanced encryption standard Example Code
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
AN568: EEPROM Emulation for Flash Microcontrollers 0.1 Application Notes
AN568: EEPROM Emulation for Flash Microcontrollers Example Code
Hex to Svf conversion utility software V 1.31 Software
Keil C51 Release Notes Release Notes
Simplicity Commander -- Windows 1.5.0 Software
Simplicity Commander -- Mac 1.5.0 Software
Simplicity Commander Release Notes 1.5.0 Software
Simplicity Commander -- Linux 1.5.0 Software
AN0823: Configuring Peripherals for 8-Bit Devices in Simplicity Studio 0.4 Application Notes
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