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C8051F321-GMR

C8051F321-GMR

C8051F321-GMR

Silicon Labs

16KB 16K x 8 FLASH 8051 8-Bit Microcontroller C8051F32x Series C8051F32 28 Pin 25MHz 3V 28-VFQFN Exposed Pad

SOT-23

C8051F321-GMR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 6 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-VFQFN Exposed Pad
Number of Pins 28
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series C8051F32x
Published 2000
JESD-609 Code e3
Part StatusNot For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
Technology CMOS
Terminal Position QUAD
Supply Voltage 3V
Frequency 25MHz
Base Part Number C8051F32
Pin Count28
Operating Supply Voltage3.3V
Supply Voltage-Max (Vsup) 3.6V
Number of Channels 5
Interface 2-Wire, I2C, SMBus, SPI, UART, USART, USB
Memory Size16kB
Oscillator TypeInternal
Number of I/O 21
RAM Size 2.25K x 8
Voltage - Supply (Vcc/Vdd) 2.7V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 16KB 16K x 8
Connectivity SMBus (2-Wire/I2C), SPI, UART/USART, USB
Bit Size 8
Data Converter A/D 13x10b
Access Time 25 μs
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Number of Timers/Counters 4
Height Seated (Max) 1mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:1090 items

Pricing & Ordering

QuantityUnit PriceExt. Price

C8051F321-GMR Product Details

C8051F321-GMR Overview


In a 28-VFQFN Exposed Pad package, the MCU is available. 21 I/Os are available. The Microcontroller has a mounting type of Surface Mount, which indicates that it is mounted conveniently. The 8-Bit core is the core of the MCU. There is a FLASH type of memory for its program. There is a temperature range of -40°C~85°C TA that is operated by this Microcontroller. C8051F32x series components make up this electrical component. 16KB 16K x 8 is the size of its program memory. A 8051 Core processor is used to power the device. This device falls under the MICROCONTROLLER uPs/uCs/Peripheral ICs category. 28 is the number of terminations on the IC chip that are present. This part works in a 8-bit manner. There is a 3V volt supply output on the chip. DMA channels number NO. 16kB is the memory size of the part. The base part number C8051F32 can be used to find alternatives. The efficiency of this device can be improved when operating at a frequency of 25MHz. The device works in YES PWM channels. Located on the chip are 28 pins. The clock has 4 timers or counters on it. There are 28 pins on it.

C8051F321-GMR Features


28-VFQFN Exposed Pad package
Mounting type of Surface Mount


C8051F321-GMR Applications


There are a lot of Silicon Labs
C8051F321-GMR Microcontroller applications.


  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products

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