C8051F126-GQR vs C8051F126R Comparison

Detailed side-by-side comparison of C8051F126-GQR by Silicon Labs and C8051F126R by Silicon Labs. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter C8051F126-GQR C8051F126R
Brand Silicon Labs Silicon Labs
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core 8051 (CIP) —
Core Width 8-bit —
Maximum Clock Frequency 50 MHz (100 MIPS peak) —
Program Memory Size 128 KB (128K x 8) FLASH —
RAM Size 8.25 KB —
Number of I/O Pins 64 —
ADC 10-bit, 8-channel, 100 ksps SAR 10-bit SAR, 8-ch., 100 ksps (12-bit mode available)
DAC 2 x 12-bit 12-bit, 2 channels
Comparators 2 2 on-chip
Timers 5 x 16-bit 5 x 16-bit
Supply Voltage (Vcc/Vdd) 2.7 V to 3.6 V —
Operating Temperature -40 C to +85 C -40 C to +85 C (industrial)
Package 100-TQFP (14x14 mm) 100-pin TQFP (14x14 mm, TQFP-100)
Mounting Type Surface Mount Surface Mount
Series C8051F12x —
RoHS Status Compliant Compliant
Core Architecture — 8051-compatible 8-bit MCU (CIP-51)
Max CPU Clock — 50 MHz
Peak Throughput — 50 MIPS
Program Memory (Flash) — 128 kB
RAM — 8 kB
Digital I/O Pins — 64 (100-pin TQFP); 32 (64-pin TQFP)
Supply Voltage (VDD) — 2.7 V to 3.6 V
Internal Oscillator — 24.5 MHz +/- 2%
Programming Interface — JTAG / C2 (in-system programmable Flash)

Datasheets & Resources

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