C8051F017
C8051F017 - 25MHz Mixed-Signal 8051 MCU | Silicon Labs
Silicon Labs C8051F017 is a mixed-signal 8-bit microcontroller with a 25MHz 8051 core, 25 MIPS performance, 32KB of in-system-programmable Flash, and a 32-LQFP 7x7 mm package. The device combines an 8051-compatible core with a 10-bit, 4-channel, 100 ksps ADC and a 12-bit, 2-channel DAC for applications requiring embedded analog measurement and signal generation. It also includes an on-chip temperature sensor and comparator support, making the C8051F017 a compact mixed-signal platform rather than a general-purpose digital microcontroller.
A mixed-signal microcontroller, or MCU, integrates a digital processor core, analog converters, memory, and communication peripherals into one semiconductor package. The C8051F017 belongs to the C8051F01x family of 8-bit embedded controllers, combining digital control with ADC and DAC functions. This hierarchy places it within embedded microcontrollers and embedded processors, where compact analog acquisition or waveform generation can reduce the number of external components required by an instrument controller.
Key features include 25MHz operation, 25 MIPS execution, 32KB of ISP Flash, 2.25K x 8 RAM, a 10-bit ADC capable of 100 ksps conversion, and a 12-bit DAC with two channels. Communication and control resources include SPI, SMBus/I2C, UART, four timers, and a programmable counter array. An integrated temperature sensor supports local thermal monitoring, while the 32-LQFP package provides a practical surface-mount option for compact control boards.
Technically, the part combines a deterministic 8-bit control architecture with dedicated analog conversion resources. The 10-bit ADC supports measurements from up to four analog channels at 100 ksps, while the dual 12-bit DAC provides higher-resolution analog output than the ADC resolution. Together with SPI, SMBus/I2C, UART, timers, and the programmable counter array, these blocks support closed-loop sensing, waveform generation, industrial communication, and embedded data acquisition without requiring separate converter ICs.
Typical applications include compact industrial data-acquisition modules, sensor-control systems, programmable instrumentation, laboratory equipment, and temperature-monitored embedded controllers. The ADC can sample external analog signals, the DAC can generate control or test voltages, and the serial interfaces can connect sensors, memory, or host equipment. The integrated temperature sensor is useful for local diagnostics or thermal compensation where an external sensor would add cost and board area.
Designers should confirm the exact device variant, supply operating range, clock configuration, analog input limits, and package pin assignments against the manufacturer datasheet before layout. Decoupling, analog grounding, DAC reference stability, and ADC input conditioning remain critical because the digital control core and precision analog converters share the same device and supply network.
This page consolidates the verified family specifications, sourcing links, package details, and same-family drop-in considerations into one engineering reference. It also highlights where supplied data remains incomplete, allowing designers to distinguish documented facts from parameters that still require direct datasheet verification before schematic approval or PCB release.
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