8-bit CISC microcontroller featuring a 50 MHz 8051 core with 16KB Flash program memory and 2.25KB RAM. This surface-mount device offers 18 programmable I/Os, four timers, and I2C, SPI, and UART interfaces. Housed in a 24-pin QFN EP package (4x4x0.73mm) with a 0.5mm pin pitch, it operates from 2.5V to 5V and supports 32 ADC channels. Automotive-grade temperature range (-40°C to 125°C) is supported.
PackageQFN EP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F557-IMR technical specifications.
General
Basic Package Type
Non-Lead-Frame SMT
Package Family Name
QFN
Package/Case
QFN EP
Package Description
Quad Flat No Lead Package, Exposed Pad
Lead Shape
No Lead
Pin Count
24
PCB
24
Package Length (mm)
4
Package Width (mm)
4
Package Height (mm)
0.73
Seated Plane Height (mm)
0.75
Pin Pitch (mm)
0.5
Package Material
Plastic
Mounting
Surface Mount
Family Name
C8051F55x
Data Bus Width
8bit
Instruction Set Architecture
CISC
Maximum Clock Rate
50MHz
Maximum CPU Frequency
50MHz
Device Core
8051
Program Memory Type
Flash
Program Memory Size
16KB
RAM Size
2.25KB
Number of Programmable I/Os
18
Core Architecture
8051
Programmability
Yes
Number of Timers
4
Interface Type
I2C/SMBus/SPI/UART
CAN
0
I2C
1
SPI
1
Ethernet
0
UART
1
USART
0
USB
0
I2S
0
Max Operating Supply Voltage
5.25V
Min Operating Temperature
-40°C
Max Operating Temperature
125°C
ADC Channels
32
Number of ADCs
Single
Compliance
Cage Code
6SQ24
EU RoHS
Yes
HTS Code
8542390001
Schedule B
8542390000
ECCN
3A991.a.2
Automotive
Yes
AEC Qualified
Yes
PPAP
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Silicon Labs C8051F557-IMR Datasheet
Download the complete datasheet for Silicon Labs C8051F557-IMR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.