C8051F321R representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN18 sourced attributes1 source document

Silicon Labs · exact orderable part

C8051F321R

IC MCU 8BIT 16KB FLASH 28MLP

Core Processor
8051
Program Memory Size
16KB (16K x 8)
RAM Size
2.25K x 8
Original manufacturerCommercial terms confirmed per lot
ManufacturerSilicon Labs
Package / case28-VFQFN Exposed Pad
Mounting typeunknown
PackingTape & Reel (TR); Cut Tape (CT)

Technical parameters

Technical specifications

C8051F321R technical parameters
ParameterValue
Base Product NumberC8051F321 [1]
ConnectivitySMBus (2-Wire/I²C), SPI, UART/USART, USB [1]
Core Processor8051 [1]
Core Size8-Bit [1]
Data ConvertersA/D 13x10b [1]
MfrSilicon Labs [1]
Mounting TypeSurface Mount [1]
Number of I/O21 [1]
Operating Temperature-40°C~85°C(TA) [1]
Oscillator TypeInternal [1]
PeripheralsBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT [1]
Product StatusObsolete [1]
Program Memory Size16KB (16K x 8) [1]
Program Memory TypeFLASH [1]
RAM Size2.25K x 8 [1]
SeriesC8051F32x [1]
Speed25MHz [1]
Voltage - Supply (Vcc/Vdd)2.7V ~ 3.6V [1]

Catalog relationships

Keep family and exact MPN intent separate.

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