8-bit microcontroller featuring an 8051 core architecture, operating at up to 25MHz. This surface mount device offers 32KB of FLASH memory and 4.25KB of RAM, with 16 programmable I/O pins. Connectivity is supported via I2C, SPI, UART, SMBus, USART, and 2-Wire interfaces. Integrated peripherals include Brown-out Detect/Reset, POR, PWM, WDT, and a Temp Sensor. Operates from 1.8V to 3.6V supply voltage with a temperature range of -40°C to 85°C.
Frequency25MHz
PackageQFN EP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F921-GMR technical specifications.
General
Package/Case
QFN EP
Core Architecture
8051
Data Bus Width
8b
Frequency
25MHz
Interface
I2C, SPI, UART, SMBus, USART, 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
Mount
Surface Mount
Number of I/Os
16
Number of Programmable I/O
16
Number of Timers/Counters
4
Oscillator Type
Internal
Package Quantity
500
Packaging
Tape and Reel
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor
Radiation Hardening
No
RAM Size
4.25KB
RoHS Compliant
Yes
Series
C8051F9xx
Compliance
RoHS
Compliant
Datasheet
Silicon Labs C8051F921-GMR Datasheet
Download the complete datasheet for Silicon Labs C8051F921-GMR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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