8-Bit Microcontroller (MCU) featuring an 8051 core architecture, operating at up to 50MHz. This CMOS device offers 32KB of FLASH memory and 2.25KB of RAM, with 18 programmable I/O pins. Integrated peripherals include 6 PWM channels, 4 timers/counters, 18 ADC channels, and multiple communication interfaces such as I2C, SPI, CAN, UART, USART, and SMBus. Designed for surface mounting in a 4mm x 4mm QFN package with tin contact plating, it operates across a temperature range of -40°C to 125°C and supports supply voltages from 1.8V to 5.25V.
Frequency50MHz
PackageQFN
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F551-IM technical specifications.
General
Package/Case
QFN
Contact Plating
Tin
Core Architecture
8051
Data Bus Width
8b
Frequency
50MHz
Height
0.75mm
Interface
I2C, SPI, CAN, UART, USART, SMBus, 2-Wire
Length
4mm
Max Frequency
50MHz
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Max Supply Voltage
5.25V
Memory Size
32KB
Memory Type
FLASH,
Min Supply Voltage
1.8V
Mount
Surface Mount
Number of ADC Channels
18
Number of Channels
6
Number of I/Os
18
Number of I2C Channels
1
Number of Programmable I/O
18
Number of PWM Channels
6
Number of SPI Channels
1
Number of Timers/Counters
4
Number of UART Channels
1
Oscillator Type
Internal
Package Quantity
91
Packaging
Rail/Tube
Peripherals
POR, PWM, WDT, Temp Sensor
RAM Size
2.25KB
RoHS Compliant
Yes
Series
C8051F55x
Watchdog Timer
Yes
Width
4mm
Compliance
RoHS
Compliant
Datasheet
Silicon Labs C8051F551-IM Datasheet
Download the complete datasheet for Silicon Labs C8051F551-IM to view detailed technical specifications.
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