C8051F127R vs C8051F021R Comparison
Detailed side-by-side comparison of C8051F127R by Silicon Labs and C8051F021R by Silicon Labs. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Silicon Labs
C8051F021R - 25MHz Mixed-Signal 8051 MCU | Silicon Labs (Tape & Reel)
C8051F021R UnknownSpecification Comparison
| Parameter | C8051F127R | C8051F021R |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Unknown |
| Product Type | 8-bit mixed-signal microcontroller | 8-bit mixed-signal microcontroller |
| Series | C8051F12x | — |
| Maximum Clock Speed | 50 MHz | — |
| Flash Memory | 128 KB | 64 kB |
| Flash Organization | 128K x 8 | — |
| RAM Size | 8.25K x 8 | — |
| Supply Voltage | 2.7 V to 3.6 V | [DATA_NEEDED: supply voltage range] |
| ADC Resolution | 10-bit | 12-bit |
| Digital I/O Pins | 32 | 32 |
| Package | 64-TQFP (10 mm x 10 mm) | QFP-64, 10 mm × 10 mm |
| Mounting Type | Surface Mount | — |
| Core | 8051-compatible 8-bit core | 8051-compatible CIP-51 core |
| Program Memory Type | Embedded Flash | — |
| Programming Support | In-system programming | — |
| Manufacturer | Silicon Labs | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Maximum Performance Frequency | — | 25 MHz |
| RAM | — | 4.25 kB |
| ADC Channels | — | 8 channels |
| ADC Sampling Rate | — | 100 ksps |
| DAC Resolution | — | 12-bit |
| DAC Channels | — | 2 channels |
| Comparator Count | — | 2 |
| Timer Count | — | 5 × 16-bit timers |
| Communication Interfaces | — | Additional communication interfaces; exact interface details [DATA_NEEDED] |