8-Bit Microcontroller featuring an 8051 CPU core operating at up to 25MHz. This CMOS device offers 8KB of FLASH memory and 0.25KB of RAM, with 22 programmable I/Os. Integrated peripherals include SPI, UART, and USART interfaces, along with Brown-out Detect/Reset, POR, and WDT. Operating from a 2.7V to 3.6V supply, it supports temperatures from -40°C to 85°C.
Frequency25MHz
PackageLQFP
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Technical Specifications
Silicon Labs C8051F221 technical specifications.
General
Access Time
25us
Package/Case
LQFP
Core Architecture
8051
Data Bus Width
8b
Interface
SPI, UART, USART
Lead Free
Contains Lead
Max Frequency
25MHz
Max Operating Temperature
85°C
Max Power Dissipation
1W
Max Supply Voltage
3.6V
Memory Size
8KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
2.7V
Number of I/Os
22
Number of Programmable I/O
22
Number of Timers/Counters
3
Oscillator Type
Internal
Package Quantity
250
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, WDT
RAM Size
0.25KB
RoHS Compliant
No
Series
C8051F2xx
Compliance
RoHS
Not Compliant
Datasheet
Silicon Labs C8051F221 Datasheet
Download the complete datasheet for Silicon Labs C8051F221 to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.