8-Bit Microcontroller, featuring an 8051 CPU core operating at 25MHz. This CMOS device offers 8KB of FLASH memory and 256 Bytes of RAM, with 32 ADC channels and 22 I/O pins. Integrated peripherals include SPI, UART, USART interfaces, 3 timers/counters, and a watchdog timer. Designed for surface mount applications, it operates from a 2.7V to 3.6V supply and is packaged in an LQFP-32, lead-free tray.
Frequency25MHz
PackageLQFP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F221-GQ technical specifications.
General
Access Time
25us
Package/Case
LQFP
Contact Plating
Tin
Core Architecture
8051
Data Bus Width
8b
Frequency
25MHz
Height
1.45mm
Interface
SPI, UART, USART
Lead Free
Lead Free
Length
7mm
Max Frequency
25MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Power Dissipation
1W
Max Supply Voltage
3.6V
Memory Size
8KB
Memory Type
FLASH,
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of ADC Channels
32
Number of I/Os
22
Number of Programmable I/O
32
Number of SPI Channels
1
Number of Timers/Counters
3
Number of UART Channels
1
Operating Supply Voltage
3.3V
Oscillator Type
Internal
Package Quantity
250
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, WDT
RAM Size
256B
RoHS Compliant
Yes
Series
C8051F2xx
Watchdog Timer
Yes
Width
7mm
Compliance
RoHS
Compliant
Datasheet
Silicon Labs C8051F221-GQ Datasheet
Download the complete datasheet for Silicon Labs C8051F221-GQ to view detailed technical specifications.
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