M30281F6 - 16-bit M16C MCU 48KB Flash 24MHz 64-LQFP | Renesas
MPN: M30281F6 ✓ Hoạt độngM30281F6 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho M30281F6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với M30281F6 (cùng hình factor và footprint) — khác nhau ở Core Architecture, RoHS Status, Series, Oscillator Type, Operating Temperature.
M30281F6HP#U3B
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →M30281F6HP#U9B
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →M30281F6HP#UFB
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
M30280F6HP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
M30282F6HP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
M30281F6 Tỷ lệ tối đa & tính chất điện
| 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 |
| Điện áp cung cấp | 3.0 V to 5.5 V |
| Number of I/O | 55 |
| Hộp | 64-LQFP (10x10 mm) |
| Oscillator Type | Internal (external clock input supported) |
| Kiểu lắp đặt | Surface Mount |
| Lead-Free | Yes (Pb-free per datasheet title) |
| Trạng thái RoHS | Compliant (Pb-free 64-QFP variant) |
| Packaging | Tray |
| Automotive Grade | Yes (per M16C family datasheet description) |
Cấu hình chân M30281F6
| Chân 1 | VREF — A/D converter reference voltage |
| Chân 2 | AVCC — Analog supply voltage |
| Chân 3 | P1_0/AN0 — Port 1.0 / Analog input 0 |
| Chân 4 | P1_1/AN1 — Port 1.1 / Analog input 1 |
| Chân 5 | P1_2/AN2 — Port 1.2 / Analog input 2 |
| Chân 6 | P1_3/AN3 — Port 1.3 / Analog input 3 |
| Chân 7 | P1_4/AN4 — Port 1.4 / Analog input 4 |
| Chân 8 | P1_5/AN5 — Port 1.5 / Analog input 5 |
| Chân 9 | P1_6/AN6 — Port 1.6 / Analog input 6 |
| Chân 10 | P1_7/AN7 — Port 1.7 / Analog input 7 |
| Chân 11 | P3_3/INT3 — Port 3.3 / External interrupt 3 |
| Chân 12 | P3_4/INT4 — Port 3.4 / External interrupt 4 |
| Chân 13 | P3_5/INT5 — Port 3.5 / External interrupt 5 |
| Chân 14 | P4_3 — Port 4.3 GPIO |
| Chân 15 | P4_4 — Port 4.4 GPIO |
| Chân 16 | P4_5 — Port 4.5 GPIO |
| Chân 17 | MODE — Mode select (Flash programming mode entry) |
| Chân 18 | RESET — Reset input (active low) |
| Chân 19 | XCIN — Sub-clock oscillator input |
| Chân 20 | XCOUT — Sub-clock oscillator output |
| Chân 21 | VSS — Digital ground |
| Chân 22 | XIN — Main clock oscillator input |
| Chân 23 | XOUT — Main clock oscillator output |
| Chân 24 | VCC — Digital supply voltage |
| Chân 25 | P5_0 — Port 5.0 GPIO |
| Chân 26 | P5_1 — Port 5.1 GPIO |
| Chân 27 | P5_2 — Port 5.2 GPIO |
| Chân 28 | P5_3 — Port 5.3 GPIO |
| Chân 29 | P5_4 — Port 5.4 GPIO |
| Chân 30 | P5_5 — Port 5.5 GPIO |
| Chân 31 | P5_6 — Port 5.6 GPIO |
| Chân 32 | P5_7 — Port 5.7 GPIO |
| Chân 33 | P6_0 — Port 6.0 GPIO |
| Chân 34 | P6_1 — Port 6.1 GPIO |
| Chân 35 | P6_2 — Port 6.2 GPIO |
| Chân 36 | P6_3 — Port 6.3 GPIO |
| Chân 37 | P6_4 — Port 6.4 GPIO |
| Chân 38 | P6_5 — Port 6.5 GPIO |
| Chân 39 | P6_6 — Port 6.6 GPIO |
| Chân 40 | P6_7 — Port 6.7 GPIO |
| Chân 41 | P7_0 — Port 7.0 GPIO |
| Chân 42 | P7_1 — Port 7.1 GPIO |
| Chân 43 | P7_2 — Port 7.2 GPIO |
| Chân 44 | P7_3 — Port 7.3 GPIO |
| Chân 45 | P7_4 — Port 7.4 GPIO |
| Chân 46 | P7_5 — Port 7.5 GPIO |
| Chân 47 | P7_6 — Port 7.6 GPIO |
| Chân 48 | P7_7 — Port 7.7 GPIO |
| Chân 49 | P8_0 — Port 8.0 GPIO |
| Chân 50 | P8_1 — Port 8.1 GPIO |
| Chân 51 | P8_2 — Port 8.2 GPIO |
| Chân 52 | P8_3 — Port 8.3 GPIO |
| Chân 53 | P8_4 — Port 8.4 GPIO |
| Chân 54 | P8_5 — Port 8.5 GPIO |
| Chân 55 | P8_6 — Port 8.6 GPIO |
| Chân 56 | P8_7 — Port 8.7 GPIO |
| Chân 57 | P9_0 — Port 9.0 GPIO |
| Chân 58 | P9_1 — Port 9.1 GPIO |
| Chân 59 | P9_2 — Port 9.2 GPIO |
| Chân 60 | P9_3 — Port 9.3 GPIO |
| Chân 61 | VSS — Digital ground |
| Chân 62 | VCC — Digital supply voltage |
| Chân 63 | TOOL0 — On-chip debug data I/O |
| Chân 64 | TOOL1 — On-chip debug clock I/O |
Ứng dụng tiêu biểu
M30281F6 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho M30281F6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- M16C CISC core with industry-leading code density (vsM30280F6HP (32KB variant))
- Wide 3.0V-5.5V supply tolerance (vsM30282F6HP (64KB variant))
- Pin-compatible upgrade path to 64KB Flash (vsM30282F6HP)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
