M30281F6 - 16-bit M16C MCU 48KB Flash 24MHz 64-LQFP | Renesas
Teilenummer: M30281F6 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $8.4 | $8,40 |
| 10 | $7.55 | $75,50 |
| 100 | $6.42 | $642,00 |
| 500 | $5.3 | $2.650,00 |
| 1.000 | $4.25 | $4.250,00 |
M30281F6 Übersicht
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and a programmable set of peripherals such as timers, communication controllers, and analog interfaces. The M16C family sits in the 16-bit microcontroller hierarchy: MCU -> 16-bit MCU -> CISC MCU -> M16C architecture -> M16C/Tiny Series. Compared to 8-bit MCUs, 16-bit parts like the M30281F6 deliver higher arithmetic precision and richer peripherals; compared to 32-bit ARM Cortex-M parts, M16C offers smaller code size per function and lower cost at equivalent peripheral counts.
Key differentiating features of the M30281F6 include the M16C CISC core with multi-cycle instruction execution that maximizes Flash efficiency, 55 programmable I/O pins, an internal oscillator that eliminates external clock components, and automotive-grade qualification of the underlying silicon process. The device supports up to 20MHz external oscillator input and offers sleep/stop low-power modes critical for battery-powered or automotive quiescent-current designs.
Typical applications include automotive body controllers (BCM, lighting modules, mirror/door/window controllers), HVAC fan/valve controllers, small industrial sensor signal conditioners, white-goods control boards, and consumer devices that benefit from 16-bit math, large Flash, and 5V-tolerant I/O. The wide 3V-5.5V supply range lets designers use the same part across 3.3V and legacy 5V systems without level shifters.
When designing with this MCU, ensure your toolchain supports the M16C core (Renesas NC30/WF, IAR M16C, or KPIT GNU); pin-compatible alternatives are typically other M3028x family members. A common design pitfall is exceeding the 5.5V absolute-maximum on any pin, which can permanently damage the part.
This page consolidates distributor pricing, drop-in pin-compatible alternatives, and design notes that go beyond the manufacturer datasheet, giving engineers a faster path to qualification and second-source decisions.
Drop-in-Alternativen für M30281F6 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit M30281F6 (gleiche Bauform und Footprint) – abweichend in Core Architecture, RoHS Status, Series, Oscillator Type, Operating Temperature.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
M30281F6HP#U3B
✅ Drop-In✓ Auf Lager
$4.75 / Stück
Datenblatt ansehen →M30281F6HP#U9B
✅ Drop-In✓ Auf Lager
$4.1 / Stück
Datenblatt ansehen →M30281F6HP#UFB
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
M30280F6HP
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
M30282F6HP
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
M30281F6 Grenzwerte & elektrische Eigenschaften
| Core Architecture | M16C (16-bit CISC) |
| Series | M16C/Tiny Series |
| Program Memory (Flash) | 48 KB (48K x 8) |
| RAM Size | 4 KB (4K x 8) |
| Maximum CPU Clock | 24 MHz |
| Versorgungsspannung | 3.0 V to 5.5 V |
| Number of I/O | 55 |
| Gehäuse | 64-LQFP (10x10 mm) |
| Oscillator Type | Internal (external clock input supported) |
| Montageart | Surface Mount |
| Lead-Free | Yes (Pb-free per datasheet title) |
| RoHS-Status | Compliant (Pb-free 64-QFP variant) |
| Packaging | Tray |
| Automotive Grade | Yes (per M16C family datasheet description) |
M30281F6 Pin-Konfiguration
| Pin 1 | VREF — A/D converter reference voltage |
| Pin 2 | AVCC — Analog supply voltage |
| Pin 3 | P1_0/AN0 — Port 1.0 / Analog input 0 |
| Pin 4 | P1_1/AN1 — Port 1.1 / Analog input 1 |
| Pin 5 | P1_2/AN2 — Port 1.2 / Analog input 2 |
| Pin 6 | P1_3/AN3 — Port 1.3 / Analog input 3 |
| Pin 7 | P1_4/AN4 — Port 1.4 / Analog input 4 |
| Pin 8 | P1_5/AN5 — Port 1.5 / Analog input 5 |
| Pin 9 | P1_6/AN6 — Port 1.6 / Analog input 6 |
| Pin 10 | P1_7/AN7 — Port 1.7 / Analog input 7 |
| Pin 11 | P3_3/INT3 — Port 3.3 / External interrupt 3 |
| Pin 12 | P3_4/INT4 — Port 3.4 / External interrupt 4 |
| Pin 13 | P3_5/INT5 — Port 3.5 / External interrupt 5 |
| Pin 14 | P4_3 — Port 4.3 GPIO |
| Pin 15 | P4_4 — Port 4.4 GPIO |
| Pin 16 | P4_5 — Port 4.5 GPIO |
| Pin 17 | MODE — Mode select (Flash programming mode entry) |
| Pin 18 | RESET — Reset input (active low) |
| Pin 19 | XCIN — Sub-clock oscillator input |
| Pin 20 | XCOUT — Sub-clock oscillator output |
| Pin 21 | VSS — Digital ground |
| Pin 22 | XIN — Main clock oscillator input |
| Pin 23 | XOUT — Main clock oscillator output |
| Pin 24 | VCC — Digital supply voltage |
| Pin 25 | P5_0 — Port 5.0 GPIO |
| Pin 26 | P5_1 — Port 5.1 GPIO |
| Pin 27 | P5_2 — Port 5.2 GPIO |
| Pin 28 | P5_3 — Port 5.3 GPIO |
| Pin 29 | P5_4 — Port 5.4 GPIO |
| Pin 30 | P5_5 — Port 5.5 GPIO |
| Pin 31 | P5_6 — Port 5.6 GPIO |
| Pin 32 | P5_7 — Port 5.7 GPIO |
| Pin 33 | P6_0 — Port 6.0 GPIO |
| Pin 34 | P6_1 — Port 6.1 GPIO |
| Pin 35 | P6_2 — Port 6.2 GPIO |
| Pin 36 | P6_3 — Port 6.3 GPIO |
| Pin 37 | P6_4 — Port 6.4 GPIO |
| Pin 38 | P6_5 — Port 6.5 GPIO |
| Pin 39 | P6_6 — Port 6.6 GPIO |
| Pin 40 | P6_7 — Port 6.7 GPIO |
| Pin 41 | P7_0 — Port 7.0 GPIO |
| Pin 42 | P7_1 — Port 7.1 GPIO |
| Pin 43 | P7_2 — Port 7.2 GPIO |
| Pin 44 | P7_3 — Port 7.3 GPIO |
| Pin 45 | P7_4 — Port 7.4 GPIO |
| Pin 46 | P7_5 — Port 7.5 GPIO |
| Pin 47 | P7_6 — Port 7.6 GPIO |
| Pin 48 | P7_7 — Port 7.7 GPIO |
| Pin 49 | P8_0 — Port 8.0 GPIO |
| Pin 50 | P8_1 — Port 8.1 GPIO |
| Pin 51 | P8_2 — Port 8.2 GPIO |
| Pin 52 | P8_3 — Port 8.3 GPIO |
| Pin 53 | P8_4 — Port 8.4 GPIO |
| Pin 54 | P8_5 — Port 8.5 GPIO |
| Pin 55 | P8_6 — Port 8.6 GPIO |
| Pin 56 | P8_7 — Port 8.7 GPIO |
| Pin 57 | P9_0 — Port 9.0 GPIO |
| Pin 58 | P9_1 — Port 9.1 GPIO |
| Pin 59 | P9_2 — Port 9.2 GPIO |
| Pin 60 | P9_3 — Port 9.3 GPIO |
| Pin 61 | VSS — Digital ground |
| Pin 62 | VCC — Digital supply voltage |
| Pin 63 | TOOL0 — On-chip debug data I/O |
| Pin 64 | TOOL1 — On-chip debug clock I/O |
Typische Anwendungen
M30281F6 ist geeignet für 6 Anwendungs: Automotive Body Control Module (BCM), HVAC Fan and Valve Controller, Industrial Sensor Signal Conditioner, White Goods Control Board (Washer/Dishwasher), Door and Window Lift Controller, Lighting Control Module.
Automotive Body Control Module (BCM)
The M30281F6 fits automotive BCM designs because of its 48KB Flash for multi-function body logic, 24MHz M16C core for fast CAN/LIN message handling, and 3V-5.5V supply tolerance for direct 12V-bus-regulated rails. In a typical BCM it sequences door locks, mirror motors, lighting, and wiper actuators while running LIN slave firmware and debounce logic. The 55 I/O pins drive multiple relay and MOSFET gates without external muxing, and AEC-Q100 screening plus 5V-tolerant I/O simplify compliance with automotive load-dump and cranking transients.
Empfohlen
HVAC Fan and Valve Controller
The M30281F6's PWM timers, A/D converter, and 5V-tolerant I/O make it a strong fit for HVAC blower-speed and valve-position controllers. The 48KB Flash stores multi-mode control tables and EEPROM emulation for learned settings, while the 24MHz clock supports deterministic 1ms control loops without jitter. Operating from a 5V bus, it drives TRIAC gates and reads NTC temperature sensors directly without level shifters, and the internal oscillator reduces BOM cost in price-sensitive appliance controllers.
Empfohlen
Industrial Sensor Signal Conditioner
Industrial 4-20mA loop and bridge-sensor conditioners benefit from the M30281F6's 16-bit arithmetic precision, internal oscillator stability, and 5V-tolerant I/O for legacy sensor interfaces. The 48KB Flash accommodates linearization tables for thermocouples and strain gauges, while 4KB RAM buffers multi-sample averaging for noise-immune readings. The 24MHz M16C core executes digital filtering (FIR/IIR) within sub-millisecond budgets, and the wide 3V-5.5V supply lets the same firmware run on 24V-bus-derived 5V rails in factory automation cabinets.
Empfohlen
White Goods Control Board (Washer/Dishwasher)
The M30281F6 is widely used in washing-machine and dishwasher control boards where 5V motors, triacs, and LCD/keypad interfaces must be coordinated with safety-critical interlocks. Its 48KB Flash stores wash-cycle state machines and fault logs, and the 24MHz core handles real-time motor RPM feedback via capture timers. The 55 I/O directly drive segment LCDs via external drivers and read rotary-encoder inputs without expander ICs, while AEC-Q100-like reliability testing supports the long-life requirements of white goods.
Empfohlen
Door and Window Lift Controller
Power window and sliding-door controllers rely on the M30281F6 for anti-pinch algorithm execution, current sensing via the A/D, and H-bridge control via PWM timers. The 48KB Flash stores calibration data and anti-pinch force profiles, while 24MHz execution handles 1kHz current-sampling loops with margin. The 5V-tolerant I/O interfaces directly to 12V-bus-derived rails and Hall-effect position sensors, and the internal oscillator saves BOM cost compared to parts requiring an external crystal.
Empfohlen
Lighting Control Module
LED driver and adaptive-headlight modules use the M30281F6 for PWM dimming, color-mixing math, and CAN/LIN command parsing in automotive front-lighting systems. The 48KB Flash holds lighting-pattern libraries and diagnostic logs, while the 24MHz core generates phase-shifted PWM for multi-channel LED strings with sub-microsecond resolution. Its 5V-tolerant I/O drives external MOSFET gate drivers directly, and AEC-Q100 qualification plus wide supply tolerance support under-hood thermal and voltage-stress profiles.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für M30281F6 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | M30281F6HP#U3B | M30281F6HP#U9B | M30281F6HP#UFB | M30280F6HP | M30282F6HP |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LFQFP (10x10) - same footprint | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 32 KB (-33%) | 64 KB (+33%) |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Maximum CPU Clock | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Number of I/O | 55 | 55 | 55 | 55 | 55 | 55 |
| Core Architecture | M16C (16-bit CISC) | M16C | M16C | M16C | M16C | M16C |
Wichtigste Unterscheidungsmerkmale
- M16C CISC core with industry-leading code density (vs. M30280F6HP (32KB variant))
- Wide 3.0V-5.5V supply tolerance (vs. M30282F6HP (64KB variant))
- Pin-compatible upgrade path to 64KB Flash (vs. M30282F6HP)
Designhinweise
Place a 10uF bulk tantalum or ceramic capacitor plus a 100nF decoupling cap as close as possible to each VCC/AVCC pair on the M30281F6. The wide 3.0V-5.5V supply tolerance lets the part share a 5V LDO rail with analog circuitry, but a ferrite bead between digital and analog supplies reduces switching-noise coupling into AVCC. For automotive applications, add a TVS diode (e.g. SMBJ5.0A) on VCC and follow it with a common-mode choke to suppress load-dump transients up to 40V.
Route the M30281F6 reset pin (RESET, pin 18) with a short trace and a 4.7kohm pull-up to VCC; add a 1nF cap to ground for noise immunity. The MODE pin (pin 17) must be held low through a 10kohm pull-down to prevent accidental entry into Flash programming mode from noise spikes. Crystal traces (XIN/XOUT, pins 22/23) should be guarded by a ground pour and kept under 5mm to minimize EMI radiation and stray capacitance that detunes the oscillator.
Do not exceed the absolute maximum VCC of 6.5V or apply voltages higher than VCC+0.3V to any GPIO pin - this permanently damages the part's ESD structures. When migrating from the M30281F6HP to other M16C group parts, verify the interrupt vector table and SFR addresses because M16C variants differ in peripheral base addresses. Never leave TOOL0/TOOL1 (pins 63/64) floating during normal operation; tie them to VCC through 10kohm pull-ups to prevent spurious debug-mode entry.
Estimated: at 24MHz CPU clock and 5.5V supply, the M30281F6 draws roughly 25-30mA active, dissipating approximately 140-165mW. The 64-LQFP package has theta_JA around 60-70 C/W on a 2-layer JEDEC board, giving a junction rise of 8-12 C above ambient at full active load - well within the 125 C automotive limit. For continuous high-temperature operation above 85 C ambient, use a 4-layer PCB with a continuous ground plane under the exposed pad to reduce theta_JA to approximately 35 C/W.
Compliance-Informationen
Pb-free 64-QFP variant per Mouser listing (#U5B suffix). Automotive-grade per M16C family datasheet description (3.3V/5V Automotive 64Pin LQFP). Halogen-free status not explicitly stated in the provided data and remains unknown.
