8-bit microcontroller (MCU) featuring 64KB FLASH memory and 4.25KB RAM. Operates at up to 25MHz with an 8051 core architecture and 8-bit data bus width. Offers 32 programmable I/Os and supports I2C, SPI, UART, USART, EBI/EMI, SMBus, and 2-Wire interfaces. Includes 5 timers/counters, internal oscillator, and peripherals like Brown-out Detect/Reset, POR, PWM, WDT, and Temp Sensor. Packaged in a 64-TQFP for surface mounting, with an operating temperature range of -40°C to 85°C and supply voltage from 2.7V to 3.6V.
Frequency25MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F021R technical specifications.
General
Access Time
25us
Package/Case
TQFP
Core Architecture
8051
Data Bus Width
8b
Interface
I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire
Lead Free
Contains Lead
Max Frequency
25MHz
Max Operating Temperature
85°C
Max Supply Voltage
3.6V
Memory Size
64KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of Channels
5
Number of I/Os
32
Number of Programmable I/O
32
Number of Timers/Counters
5
Oscillator Type
Internal
Package Quantity
500
Packaging
Tape and Reel
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor
RAM Size
4.25KB
Series
C8051F02x
Compliance
RoHS
Not Compliant
Datasheet
Silicon Labs C8051F021R Datasheet
Download the complete datasheet for Silicon Labs C8051F021R to view detailed technical specifications.
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