8-bit microcontroller featuring an 8051 core architecture and 25MHz clock speed. This CMOS device offers 32KB of FLASH memory and 4.25KB of RAM, with 24 programmable I/O pins. Integrated peripherals include I2C, SPI, UART, USART, SMBus, and 2-Wire interfaces, alongside 6 PWM channels and 4 timers/counters. Operating from 1.8V to 3.6V, it supports temperatures from -40°C to 85°C and comes in a 24-pin QFN package.
Frequency25MHz
PackageQFN
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Technical Specifications
Silicon Labs C8051F921-GM technical specifications.
General
Package/Case
QFN
Core Architecture
8051
Data Bus Width
8b
Frequency
25MHz
Interface
I2C, SPI, UART, USART, SMBus, 2-Wire
Max Frequency
25MHz
Max Operating Temperature
85°C
Max Supply Voltage
3.6V
Memory Size
32KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
1.8V
Number of I/Os
24
Number of Programmable I/O
24
Number of PWM Channels
6
Number of Timers/Counters
4
Oscillator Type
Internal
Package Quantity
91
Packaging
Rail/Tube
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor
Radiation Hardening
No
RAM Size
4.25KB
Reach SVHC Compliant
Unknown
RoHS Compliant
Yes
Series
C8051F9xx
Compliance
RoHS
Compliant
Datasheet
Silicon Labs C8051F921-GM Datasheet
Download the complete datasheet for Silicon Labs C8051F921-GM to view detailed technical specifications.
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