8-Bit Microcontroller (MCU) featuring an 8051 CPU core operating up to 25MHz. This CMOS device offers 16KB of FLASH memory and 1.25KB of RAM, with 21 programmable I/Os. Integrated peripherals include I2C, SPI, USB, UART, USART, SMBus, and 2-Wire interfaces, alongside 4 timers/counters, PWM, WDT, and Brown-out Detect/Reset. Designed for surface mounting in a QFN package, it operates from 2.7V to 5.25V and across a temperature range of -40°C to 85°C.
Frequency25MHz
PackageQFN
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F321 technical specifications.
General
Access Time
25us
Package/Case
QFN
Core Architecture
8051
Data Bus Width
8b
Interface
I2C, SPI, USB, UART, USART, SMBus, 2-Wire
Lead Free
Contains Lead
Max Frequency
25MHz
Max Operating Temperature
85°C
Max Supply Voltage
5.25V
Memory Size
16KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
2.7V
Mount
Surface Mount
Number of Channels
5
Number of I/Os
21
Number of Programmable I/O
21
Number of Timers/Counters
4
Oscillator Type
Internal
Package Quantity
73
Packaging
Rail/Tube
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor
RAM Size
1.25KB
RoHS Compliant
No
Series
C8051F32x
Compliance
RoHS
Not Compliant
Datasheet
Silicon Labs C8051F321 Datasheet
Download the complete datasheet for Silicon Labs C8051F321 to view detailed technical specifications.
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