R5F56218BNFP
R5F56218BNFP - 100MHz 32-bit RX MCU | Renesas
Renesas Electronics R5F56218BNFP is a 32-bit RX-series microcontroller with a floating-point processing unit, a maximum clock frequency of 100 MHz, and performance of up to 165 DMIPS. The device includes 512 KB of flash memory and is supplied in a 100-lead LQFP package. Its square gull-wing package provides 100 externally accessible connection points and is intended for designs requiring substantial mixed-signal, communications, and control integration.
A microcontroller is a semiconductor device that executes embedded software from internal program memory while controlling sensors, communications interfaces, actuators, and other system hardware. In the product hierarchy, this R5F56218BNFP is a 32-bit MCU, a type of embedded processor used above simple logic controllers and below more complex application processors. Its RX-series positioning combines high-frequency execution with integrated real-time control capabilities for industrial equipment and embedded systems.
Verified source data identifies a 100 MHz operating frequency, 165 DMIPS performance, an FPU, 512 KB flash memory, and 100-pin QFP packaging. The floating-point unit accelerates arithmetic used in control algorithms, signal processing, and data acquisition, while the 512 KB code and data-memory resource supports larger embedded applications than basic control MCUs. The 100 MHz clock provides additional scheduling headroom for communications protocols and simultaneous peripheral operation.
The 100-lead LQFP package offers a high pin count compared with small-outline MCUs, supporting a broader mix of digital I/O and dedicated peripheral connections. This makes the R5F56218BNFP useful where a board requires numerous interface signals, mixed external devices, or several communication functions. Its relatively large gull-wing footprint also provides visible solder joints and is generally compatible with conventional reflow and inspection processes, although it requires more PCB area than a compact QFN or leadless package.
Typical application directions include industrial automation, factory equipment, motor and motion control, measurement systems, communications equipment, and compact embedded control platforms. The 100 MHz processing rate and FPU support workloads combining protocol handling with real-time calculations. Such systems should still validate interrupt latency, peripheral resource allocation, memory utilization, and analog performance against the complete manufacturer documentation before production release.
A critical design consideration is that the supplied search data does not include the complete electrical characteristics or pin map. Before schematic capture, verify supply voltage, I/O limits, clock configuration, peripheral multiplexing, pin states during reset, and exposed thermal or power requirements in the official Renesas datasheet. Because this is a 100-pin device, use a symbol and footprint whose assignments have been checked against the exact NFP ordering code rather than relying only on a generic QFP footprint.
This page consolidates verified distributor specifications, package information, availability references, and carefully qualified replacement context for R5F56218BNFP. It also distinguishes confirmed data from parameters that require the manufacturer datasheet, helping engineers identify procurement, compatibility, and design-validation tasks before committing a 100-LQFP board to production.
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