Electronic components DF2211UFP24V

Description

1. Basic identity & context

• The DF2211UFP24V is manufactured by Renesas Electronics. Mouser Electronics+1

• It is categorized as a 16-bit microcontroller (MCU) in the H8S/2200 series. Angel Technology Electronics Co+1

• Specifically, its descriptor in one listing: “16-bit Microcontrollers – MCU 3 V 64K Pb-free 64-LQFP”. Mouser Electronics

• Package: 64-lead LQFP (Low-profile Quad Flat Package) – 64 pins, surface mount. Angel Technology Electronics Co+1

• Program memory: 64 kB (64 K × 8) Flash. Angel Technology Electronics Co+1

• Data RAM: 8 kB (as given in some specs) Angel Technology Electronics Co

• Core: H8S/2000 family, 16-bit architecture. Angel Technology Electronics Co+1

• Maximum clock speed: 24 MHz. Angel Technology Electronics Co+1

• Supply voltage: around 2.7 V to 3.6 V typical. Angel Technology Electronics Co+1

• Operational temperature: from –20 °C to +75 °C (some listings) Mouser Electronics+1

• The part appears to be flagged “Obsolete” / “Not for new designs” in one listing. Mouser Electronics+1

2. Key features & functional blocks

Given the information available and the H8S/2200 series context, here are likely features:

• 16-bit data bus / architecture: The “16-bit microcontroller” listing.

• Flash program memory: 64 kB, giving space for firmware code.

• RAM: ~8 kB for runtime data.

• Package: 64-LQFP – implies a moderately sized package for surface mount, good pin-count for multiple I/O.

• Operating voltage ~3.0 V nominal (3V series) — suitable for moderately low-power designs but not ultra-low power.

• On-chip peripherals: In listings we see reference to ADC (10-bit, 6 channels) and various interfaces: SCI (Serial Communication Interface), SmartCard interface, USB mention (though this may be generic listing). Angel Technology Electronics Co

• Watchdog Timer, Pulse Width Modulation (PWM) functionality, POR (Power-On Reset) — typical for microcontrollers in this class. Angel Technology Electronics Co

• The series name “H8S/2200” indicates a fairly generic microcontroller family by Renesas aimed at embedded control tasks. (The H8/H8S families were quite popular in industrial and automotive embedded applications)

3. Typical applications

Given its specification, the DF2211UFP24V would be suited for:

• Embedded control systems where moderate compute is required (16-bit MCU, 24 MHz)

• Industrial instrumentation or control modules

• Appliance or automotive sub-systems (if allowed by temperature and qualification)

• Systems requiring moderate flash/RAM capacity and multiple I/O lines (given the 64-pin package)

• Legacy equipment where a 16-bit MCU is acceptable and cost is more important than ultra-performance

However, one must note the “Not for new designs” / “Obsolete” status — meaning using it for new designs may risk support or future sourcing.

4. Benefits & limitations

Benefits:

• The 64-LQFP package gives a reasonable number of pins, allowing flexible I/O and peripheral usage.

• Flash memory of 64 kB is adequate for moderate firmware complexity without being expensive.

• 16-bit architecture offers a step up from 8-bit, giving more performance and addressability while still lower cost than a 32-bit MCU.

• The supply voltage around 3 V means it can fit within many embedded systems easily (not requiring 5 V necessarily).

• From a supply/distributor listing, the part is still found (though with caveats) which means aftermarket or repair use is feasible.

Limitations / Considerations:

• 16-bit architecture: While suitable for many tasks, if you need high-performance signal processing, 32-bit MCUs would be better.

• Speed: 24 MHz is modest in today’s terms. For tasks requiring high throughput or complex algorithms (e.g., heavy DSP, machine learning), this may be insufficient.

• Memory: 64 kB flash and ~8 kB RAM may be limiting if firmware size grows (for example graphical interfaces, large data handling).

• Obsolescence: The listing indicates that the part is obsolete or “not for new designs”, meaning design risk (future supply, support, etc.).

• Temperature range: –20 °C to +75 °C is fine for many consumer/industrial uses, but not for harsh environments (automotive under-hood, extreme conditions) unless qualified.

• Peripherals: We must check specifics of which interfaces it supports — e.g., USB mention may be variant or generic listing; actual product might not support all modern interfaces.

5. Design/implementation considerations

If you plan to use (or have a design with) DF2211UFP24V, keep these in mind:

• Footprint/Package: The 64-LQFP (10 mm × 10 mm typical) SMD package means you need suitable footprint, soldering, thermal considerations for surface-mount.

• Power supply: Provide a stable 3.0 V (or 3.3 V) supply within the specified 2.7-3.6 V range. Decoupling capacitors close to MCU Vdd/Vss are important.

• Clock: Ensure external or internal oscillator selection is compatible; the 24 MHz max clock suggests external crystal or oscillator may be used.

• Reset / POR / WDT: Use proper circuit for power-on reset to manage MCU startup. Watchdog timer should be configured for system reliability.

• I/O mapping: With 64 pins, you’ll likely have many I/O lines. Consider I/O voltage levels, pin multiplexing, and peripheral assignment.

• Firmware size: With 64 kB flash, code size must be constrained; careful use of libraries, optimize code for size if needed.

• Supply chain risk: Given obsolescence status, check remaining life, alternate sourcing, and possibly plan for future migration to a newer MCU family.

• Thermal/EMI: Surface mount package and multiple I/Os may mean PCB layout matters — keep analog/power lines away from noisy digital lines, provide ground plane, etc.

• Availability of development tools: Ensure you have appropriate tool-chain (compiler, debugger) for the H8S/2200 series; future support may be limited if the product is obsolete.

6. Summary

In summary: the DF2211UFP24V is a 16-bit microcontroller from Renesas (H8S/2200 series) in a 64-LQFP package, with 64 kB flash, ~8 kB RAM, ~24 MHz clock, supply ~3 V, and a moderate number of I/Os/peripherals. It is well-suited for embedded control applications of moderate complexity but is somewhat dated and flagged as “not for new designs”. If you are maintaining legacy equipment or doing repair/maintenance, it may still be valid. But for new designs you might consider a more modern MCU with richer peripherals, higher performance, better future support.