8-Bit Microcontroller (MCU) featuring a 25MHz clock speed and 8KB FLASH memory. This CMOS device offers 256B RAM, 22 I/Os, and 3 timers. Integrated peripherals include SPI, UART, USART, Brown-out Detect/Reset, POR, and a Watchdog Timer. Operating from 2.7V to 3.6V, it supports surface mount installation in an LQFP package with tin plating and is lead-free and RoHS compliant.
Frequency25MHz
PackageLQFP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F221-GQR technical specifications.
General
Access Time
25us
Package/Case
LQFP
Contact Plating
Tin
Core Architecture
8051
Data Bus Width
8b
Interface
SPI, UART, USART
Lead Free
Lead Free
Max Frequency
25MHz
Max Operating Temperature
85°C
Memory Size
8KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Max Power Dissipation
1W
Max Supply Voltage
3.6V
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of I/Os
22
Number of Programmable I/O
32
Number of Timers/Counters
3
Oscillator Type
Internal
Package Quantity
500
Packaging
Tape and Reel
Peripherals
Brown-out Detect/Reset, POR, WDT
RAM Size
256B
RoHS Compliant
Yes
Series
C8051F2xx
Watchdog Timer
Yes
Compliance
RoHS
Compliant
Datasheet
Silicon Labs C8051F221-GQR Datasheet
Download the complete datasheet for Silicon Labs C8051F221-GQR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.