C8051F321R vs C8051F320 Comparison
Detailed side-by-side comparison of C8051F321R by Silicon Labs and C8051F320 by Silicon Laboratories. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Silicon Labs
C8051F321R - 25MHz 16KB Flash USB 2.0 MCU | Silicon Labs (Tape & Reel)
C8051F321R ✓ Active
Specification Comparison
| Parameter | C8051F321R | C8051F320 |
|---|---|---|
| Brand | Silicon Labs | Silicon Laboratories |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit mixed-signal microcontroller (MCU) | — |
| Maximum Clock Frequency | 25 MHz | 25 MHz |
| Maximum CPU Throughput | 25 MIPS | — |
| Core Architecture | Pipelined 8051 core | — |
| Flash Memory | 16 KB (16K x 8) | 16KB (16K x 8) |
| Operating Supply Voltage | 2.7 V to 3.6 V | — |
| ADC Resolution | 10 bits | 10 bit |
| ADC Maximum Sampling Rate | 200 ksps | — |
| ADC Input Configuration | 13 external single-ended or differential inputs | — |
| ADC Reference Options | External VREF pin, internal reference, or VDD | External pin, internal reference, or VDD |
| USB Interface | USB 2.0 function controller with integrated transceiver and on-chip clock recovery | Full-speed USB |
| Number of I/O Ports | 21 | — |
| External Conversion Start | External conversion-start input | — |
| Built-in Temperature Sensor | Available through the ADC reference and measurement peripherals | Yes |
| Package | 28-MLP QFN (5 x 5 mm) | 32-LQFP (7x7 mm) |
| Mounting Type | Surface mount | Surface mount |
| RoHS Compliance | RoHS compliant | — |
| Lifecycle Stage | Active | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RAM Memory | [DATA_NEEDED: RAM memory size] | — |
| Core | — | Enhanced 8-bit 8051 core |
| Peak Throughput | — | 25 MIPS |
| Program Memory Type | — | In-system programmable flash |
| Maximum ADC Sampling Rate | — | 200 ksps |
| External ADC Inputs | — | 17 single-ended or 13 differential |
| Comparators | — | 2 |
| External Conversion Start Input | — | Yes |
| Debug Interface | — | Silicon Labs C2, 2-wire, non-intrusive |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| Internal RAM | — | [DATA_NEEDED: internal RAM size] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |