C8051F985-GMR

Description：IC MCU 8BIT 2KB FLASH 20QFN
Series：C8051F9xx
Mfr：Silicon Labs
Package：Tape & Reel (TR)
Core Processor：CIP-51 8051

SKU:3616b0cc2b39 Category: Microcontrollers Brand: Silicon Labs

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC MCU 8BIT 2KB FLASH 20QFN
Series：C8051F9xx
Mfr：Silicon Labs
Package：Tape & Reel (TR)
Core Processor：CIP-51 8051
Core Size：8-Bit
Speed：25MHz
Connectivity：SMBus (2-Wire/I2C), SPI, UART/USART
Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O：16
Program Memory Size：2KB (2K x 8)
Program Memory Type：FLASH
EEPROM Size：-
RAM Size：512 x 8
Voltage - Supply (Vcc/Vdd)：1.8V ~ 3.6V
Data Converters：-
Oscillator Type：Internal
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：20-QFN (3x3)
Package / Case：20-UFQFN Exposed Pad

Download product information

C8051F985-GMR

Overview

The C8051F985-GMR is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, utilizing the CIP-51 core. It features 2KB of in-system programmable Flash memory and 512 bytes of RAM. The device operates at a maximum clock speed of 25MHz with an internal oscillator. It is housed in a 20-QFN (3x3) package and supports supply voltages between 1.8V and 3.6V. Communication interfaces include SMBus, SPI, and UART/USART.

Feature Summary

Integrates CIP-51 architecture for enhanced performance over standard 8051 cores
Includes on-chip peripherals such as PWM, WDT, and power-on reset
Supports multiple serial communication protocols via integrated modules

Applications

Battery-powered embedded systems requiring low voltage operation
Industrial control applications using serial communication interfaces
Consumer electronics utilizing compact QFN packaging

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for relevant PCN documentation regarding assembly or material changes. Ensure the specific suffix matches design requirements, as variations may affect packaging or revision levels without altering core functionality.

Selection Notes

Select this component for designs requiring a compact 20-pin form factor with moderate code storage capacity. Consider the 1.8V to 3.6V operating range for compatibility with single-cell battery systems. Evaluate peripheral needs against the available timers and serial interfaces to ensure sufficient resource allocation for the target application logic.

Part Context

This part belongs to the C8051F9xx family of mixed-signal microcontrollers. These devices are designed for high-performance analog and digital control applications. The series emphasizes integration by combining processing capabilities with essential analog peripherals and communication interfaces in small packages suitable for space-constrained designs.